From 31a7203dc69f6b0a52cfbc35649939584dad09e8 Mon Sep 17 00:00:00 2001 From: nakul-krishnakumar Date: Sun, 22 Feb 2026 13:57:46 +0530 Subject: [PATCH 1/3] feat: add `stats/strided/distances/dchebyshev --- type: pre_commit_static_analysis_report description: Results of running static analysis checks when committing changes. report: - task: lint_filenames status: passed - task: lint_editorconfig status: passed - task: lint_markdown status: passed - task: lint_package_json status: passed - task: lint_repl_help status: passed - task: lint_javascript_src status: passed - task: lint_javascript_cli status: na - task: lint_javascript_examples status: passed - task: lint_javascript_tests status: passed - task: lint_javascript_benchmarks status: passed - task: lint_python status: na - task: lint_r status: na - task: lint_c_src status: missing_dependencies - task: lint_c_examples status: missing_dependencies - task: lint_c_benchmarks status: missing_dependencies - task: lint_c_tests_fixtures 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lib/node_modules/@stdlib/stats/strided/distances/dchebyshev/test/test.dchebyshev.js create mode 100644 lib/node_modules/@stdlib/stats/strided/distances/dchebyshev/test/test.dchebyshev.native.js create mode 100644 lib/node_modules/@stdlib/stats/strided/distances/dchebyshev/test/test.js create mode 100644 lib/node_modules/@stdlib/stats/strided/distances/dchebyshev/test/test.ndarray.js create mode 100644 lib/node_modules/@stdlib/stats/strided/distances/dchebyshev/test/test.ndarray.native.js diff --git a/lib/node_modules/@stdlib/stats/strided/distances/dchebyshev/README.md b/lib/node_modules/@stdlib/stats/strided/distances/dchebyshev/README.md new file mode 100644 index 000000000000..e1102ecb4739 --- /dev/null +++ b/lib/node_modules/@stdlib/stats/strided/distances/dchebyshev/README.md @@ -0,0 +1,336 @@ + + +# dchebyshev + +> Compute the Chebyshev distance between two double-precision floating-point strided arrays. + +
+ +The [Chebyshev distance][wikipedia-chebyshev-distance] (also known as the $L_∞$ metric ) is defined as + + + +```math +D(A,B)=\max _{i}(|a_{i}-b_{i}|) = \lim _{p\to \infty}{\bigg (}\sum_{i=0}^{N-1}\left|a_{i}-b_{i}\right|^{p}{\bigg )}^{1/p} +``` + + + +where `a_i` and `b_i` are the _ith_ components of vectors **A** and **B**, respectively. + +
+ + + +
+ +## Usage + +```javascript +var dchebyshev = require( '@stdlib/stats/strided/distances/dchebyshev' ); +``` + +#### dchebyshev( N, x, strideX, y, strideY ) + +Computes the Chebyshev distance between two double-precision floating-point strided arrays. + +```javascript +var Float64Array = require( '@stdlib/array/float64' ); + +var x = new Float64Array( [ 4.0, 2.0, -3.0, 5.0, -1.0 ] ); +var y = new Float64Array( [ 2.0, 6.0, -1.0, -4.0, 8.0 ] ); + +var z = dchebyshev( x.length, x, 1, y, 1 ); +// returns 9.0 +``` + +The function has the following parameters: + +- **N**: number of indexed elements. +- **x**: input [`Float64Array`][@stdlib/array/float64]. +- **strideX**: stride length of `x`. +- **y**: input [`Float64Array`][@stdlib/array/float64]. +- **strideY**: stride length of `y`. + +The `N` and stride parameters determine which elements in the strided arrays are accessed at runtime. For example, to calculate the Chebyshev distance between every other element in `x` and the first `N` elements of `y` in reverse order, + +```javascript +var Float64Array = require( '@stdlib/array/float64' ); + +var x = new Float64Array( [ 1.0, 2.0, 3.0, 4.0, 5.0, 6.0 ] ); +var y = new Float64Array( [ 1.0, 1.0, 1.0, 1.0, 1.0, 1.0 ] ); + +var z = dchebyshev( 3, x, 2, y, -1 ); +// returns 4.0 +``` + +Note that indexing is relative to the first index. To introduce an offset, use [`typed array`][mdn-typed-array] views. + + + +```javascript +var Float64Array = require( '@stdlib/array/float64' ); + +// Initial arrays... +var x0 = new Float64Array( [ 1.0, 2.0, 3.0, 4.0, 5.0, 6.0 ] ); +var y0 = new Float64Array( [ 7.0, 8.0, 9.0, 10.0, 11.0, 12.0 ] ); + +// Create offset views... +var x1 = new Float64Array( x0.buffer, x0.BYTES_PER_ELEMENT*1 ); // start at 2nd element +var y1 = new Float64Array( y0.buffer, y0.BYTES_PER_ELEMENT*3 ); // start at 4th element + +var z = dchebyshev( 3, x1, 1, y1, 1 ); +// returns 8.0 +``` + +#### dchebyshev.ndarray( N, x, strideX, offsetX, y, strideY, offsetY ) + +Computes the Chebyshev distance between two double-precision floating-point strided arrays using alternative indexing semantics. + +```javascript +var Float64Array = require( '@stdlib/array/float64' ); + +var x = new Float64Array( [ 4.0, 2.0, -3.0, 5.0, -1.0 ] ); +var y = new Float64Array( [ 2.0, 6.0, -1.0, -4.0, 8.0 ] ); + +var z = dchebyshev.ndarray( x.length, x, 1, 0, y, 1, 0 ); +// returns 9.0 +``` + +The function has the following additional parameters: + +- **offsetX**: starting index for `x`. +- **offsetY**: starting index for `y`. + +While [`typed array`][mdn-typed-array] views mandate a view offset based on the underlying buffer, the offset parameters support indexing semantics based on starting indices. For example, to calculate the Chebyshev distance between every other element in `x` starting from the second element with the last 3 elements in `y` in reverse order + +```javascript +var Float64Array = require( '@stdlib/array/float64' ); + +var x = new Float64Array( [ 1.0, 2.0, 3.0, 4.0, 5.0, 6.0 ] ); +var y = new Float64Array( [ 7.0, 8.0, 9.0, 10.0, 11.0, 12.0 ] ); + +var z = dchebyshev.ndarray( 3, x, 2, 1, y, -1, y.length-1 ); +// returns 10.0 +``` + +
+ + + +
+ +## Notes + +- If `N <= 0`, both functions return `NaN`. + +
+ + + +
+ +## Examples + + + +```javascript +var discreteUniform = require( '@stdlib/random/array/discrete-uniform' ); +var dchebyshev = require( '@stdlib/stats/strided/distances/dchebyshev' ); + +var opts = { + 'dtype': 'float64' +}; +var x = discreteUniform( 10, 0, 100, opts ); +console.log( x ); + +var y = discreteUniform( x.length, 0, 10, opts ); +console.log( y ); + +var out = dchebyshev.ndarray( x.length, x, 1, 0, y, -1, y.length-1 ); +console.log( out ); +``` + +
+ + + + + +* * * + +
+ +## C APIs + + + +
+ +
+ + + + + +
+ +### Usage + +```c +#include "stdlib/stats/strided/distances/dchebyshev.h" +``` + +#### stdlib_strided_dchebyshev( N, \*X, strideX, \*Y, strideY ) + +Computes the Chebyshev distance between two double-precision floating-point strided arrays. + +```c +const double x[] = { 4.0, 2.0, -3.0, 5.0, -1.0 }; +const double y[] = { 2.0, 6.0, -1.0, -4.0, 8.0 }; + +double v = stdlib_strided_dchebyshev( 5, x, 1, y, 1 ); +// returns 9.0 +``` + +The function accepts the following arguments: + +- **N**: `[in] CBLAS_INT` number of indexed elements. +- **X**: `[in] double*` first input array. +- **strideX**: `[in] CBLAS_INT` stride length of `X`. +- **Y**: `[in] double*` second input array. +- **strideY**: `[in] CBLAS_INT` stride length of `Y`. + +```c +double stdlib_strided_dchebyshev( const CBLAS_INT N, const double *X, const CBLAS_INT strideX, const double *Y, const CBLAS_INT strideY ); +``` + + + +#### stdlib_strided_dchebyshev_ndarray( N, \*X, strideX, offsetX, \*Y, strideY, offsetY ) + + + +Computes the Chebyshev distance between two double-precision floating-point strided arrays using alternative indexing semantics. + +```c +const double x[] = { 4.0, 2.0, -3.0, 5.0, -1.0 }; +const double y[] = { 2.0, 6.0, -1.0, -4.0, 8.0 }; + +double v = stdlib_strided_dchebyshev_ndarray( 5, x, -1, 4, y, -1, 4 ); +// returns 9.0 +``` + +The function accepts the following arguments: + +- **N**: `[in] CBLAS_INT` number of indexed elements. +- **X**: `[in] double*` first input array. +- **strideX**: `[in] CBLAS_INT` stride length of `X`. +- **offsetX**: `[in] CBLAS_INT` starting index for `X`. +- **Y**: `[in] double*` second input array. +- **strideY**: `[in] CBLAS_INT` stride length of `Y`. +- **offsetY**: `[in] CBLAS_INT` starting index for `Y`. + +```c +double stdlib_strided_dchebyshev_ndarray( const CBLAS_INT N, const double *X, const CBLAS_INT strideX, const CBLAS_INT offsetX, const double *Y, const CBLAS_INT strideY, const CBLAS_INT offsetY ); +``` + +
+ + + + + +
+ +
+ + + + + +
+ +### Examples + +```c +#include "stdlib/stats/strided/distances/dchebyshev.h" +#include + +int main( void ) { + // Create strided arrays: + const double x[] = { 1.0, -2.0, 3.0, -4.0, 5.0, -6.0, 7.0, -8.0 }; + const double y[] = { 1.0, -2.0, 3.0, -4.0, 5.0, -6.0, 7.0, -8.0 }; + + // Specify the number of elements: + const int N = 8; + + // Specify strides: + const int strideX = 1; + const int strideY = -1; + + // Compute the Chebyshev distance between `x` and `y`: + double d = stdlib_strided_dchebyshev( N, x, strideX, y, strideY ); + + // Print the result: + printf( "Chebyshev distance: %lf\n", d ); + + // Compute the Chebyshev distance between `x` and `y` with offsets: + d = stdlib_strided_dchebyshev_ndarray( N, x, strideX, 0, y, strideY, N-1 ); + + // Print the result: + printf( "Chebyshev distance: %lf\n", d ); +} +``` + +
+ + + +
+ + + + + +
+ +
+ + + + + +
+ +[@stdlib/array/float64]: https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/array/float64 + +[mdn-typed-array]: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/TypedArray + +[wikipedia-chebyshev-distance]: https://en.wikipedia.org/wiki/Chebyshev_distance + + + + + +
+ + diff --git a/lib/node_modules/@stdlib/stats/strided/distances/dchebyshev/benchmark/benchmark.js b/lib/node_modules/@stdlib/stats/strided/distances/dchebyshev/benchmark/benchmark.js new file mode 100644 index 000000000000..7a4eb3c0f2ca --- /dev/null +++ b/lib/node_modules/@stdlib/stats/strided/distances/dchebyshev/benchmark/benchmark.js @@ -0,0 +1,104 @@ +/** +* @license Apache-2.0 +* +* Copyright (c) 2026 The Stdlib Authors. +* +* Licensed under the Apache License, Version 2.0 (the "License"); +* you may not use this file except in compliance with the License. +* You may obtain a copy of the License at +* +* http://www.apache.org/licenses/LICENSE-2.0 +* +* Unless required by applicable law or agreed to in writing, software +* distributed under the License is distributed on an "AS IS" BASIS, +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +* See the License for the specific language governing permissions and +* limitations under the License. +*/ + +'use strict'; + +// MODULES // + +var bench = require( '@stdlib/bench' ); +var uniform = require( '@stdlib/random/array/uniform' ); +var isnan = require( '@stdlib/math/base/assert/is-nan' ); +var pow = require( '@stdlib/math/base/special/pow' ); +var format = require( '@stdlib/string/format' ); +var pkg = require( './../package.json' ).name; +var dchebyshev = require( './../lib/dchebyshev.js' ); + + +// VARIABLES // + +var options = { + 'dtype': 'float64' +}; + + +// FUNCTIONS // + +/** +* Creates a benchmark function. +* +* @private +* @param {PositiveInteger} len - array length +* @returns {Function} benchmark function +*/ +function createBenchmark( len ) { + var x = uniform( len, -100.0, 100.0, options ); + var y = uniform( len, -100.0, 100.0, options ); + return benchmark; + + /** + * Benchmark function. + * + * @private + * @param {Benchmark} b - benchmark instance + */ + function benchmark( b ) { + var d; + var i; + + b.tic(); + for ( i = 0; i < b.iterations; i++ ) { + d = dchebyshev( x.length, x, 1, y, 1 ); + if ( isnan( d ) ) { + b.fail( 'should not return NaN' ); + } + } + b.toc(); + if ( isnan( d ) ) { + b.fail( 'should not return NaN' ); + } + b.pass( 'benchmark finished' ); + b.end(); + } +} + + +// MAIN // + +/** +* Main execution sequence. +* +* @private +*/ +function main() { + var len; + var min; + var max; + var f; + var i; + + min = 1; // 10^min + max = 6; // 10^max + + for ( i = min; i <= max; i++ ) { + len = pow( 10, i ); + f = createBenchmark( len ); + bench( format( '%s:len=%d', pkg, len ), f ); + } +} + +main(); diff --git a/lib/node_modules/@stdlib/stats/strided/distances/dchebyshev/benchmark/benchmark.native.js b/lib/node_modules/@stdlib/stats/strided/distances/dchebyshev/benchmark/benchmark.native.js new file mode 100644 index 000000000000..1e3997f2c9ea --- /dev/null +++ b/lib/node_modules/@stdlib/stats/strided/distances/dchebyshev/benchmark/benchmark.native.js @@ -0,0 +1,109 @@ +/** +* @license Apache-2.0 +* +* Copyright (c) 2026 The Stdlib Authors. +* +* Licensed under the Apache License, Version 2.0 (the "License"); +* you may not use this file except in compliance with the License. +* You may obtain a copy of the License at +* +* http://www.apache.org/licenses/LICENSE-2.0 +* +* Unless required by applicable law or agreed to in writing, software +* distributed under the License is distributed on an "AS IS" BASIS, +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +* See the License for the specific language governing permissions and +* limitations under the License. +*/ + +'use strict'; + +// MODULES // + +var resolve = require( 'path' ).resolve; +var bench = require( '@stdlib/bench' ); +var uniform = require( '@stdlib/random/array/uniform' ); +var isnan = require( '@stdlib/math/base/assert/is-nan' ); +var pow = require( '@stdlib/math/base/special/pow' ); +var tryRequire = require( '@stdlib/utils/try-require' ); +var format = require( '@stdlib/string/format' ); +var pkg = require( './../package.json' ).name; + + +// VARIABLES // + +var dchebyshev = tryRequire( resolve( __dirname, './../lib/dchebyshev.native.js' ) ); +var opts = { + 'skip': ( dchebyshev instanceof Error ) +}; +var options = { + 'dtype': 'float64' +}; + + +// FUNCTIONS // + +/** +* Creates a benchmark function. +* +* @private +* @param {PositiveInteger} len - array length +* @returns {Function} benchmark function +*/ +function createBenchmark( len ) { + var x = uniform( len, -100.0, 100.0, options ); + var y = uniform( len, -100.0, 100.0, options ); + return benchmark; + + /** + * Benchmark function. + * + * @private + * @param {Benchmark} b - benchmark instance + */ + function benchmark( b ) { + var d; + var i; + + b.tic(); + for ( i = 0; i < b.iterations; i++ ) { + d = dchebyshev( x.length, x, 1, y, 1 ); + if ( isnan( d ) ) { + b.fail( 'should not return NaN' ); + } + } + b.toc(); + if ( isnan( d ) ) { + b.fail( 'should not return NaN' ); + } + b.pass( 'benchmark finished' ); + b.end(); + } +} + + +// MAIN // + +/** +* Main execution sequence. +* +* @private +*/ +function main() { + var len; + var min; + var max; + var f; + var i; + + min = 1; // 10^min + max = 6; // 10^max + + for ( i = min; i <= max; i++ ) { + len = pow( 10, i ); + f = createBenchmark( len ); + bench( format( '%s::native:len=%d', pkg, len ), opts, f ); + } +} + +main(); diff --git a/lib/node_modules/@stdlib/stats/strided/distances/dchebyshev/benchmark/benchmark.ndarray.js b/lib/node_modules/@stdlib/stats/strided/distances/dchebyshev/benchmark/benchmark.ndarray.js new file mode 100644 index 000000000000..58e96571ee9a --- /dev/null +++ b/lib/node_modules/@stdlib/stats/strided/distances/dchebyshev/benchmark/benchmark.ndarray.js @@ -0,0 +1,104 @@ +/** +* @license Apache-2.0 +* +* Copyright (c) 2026 The Stdlib Authors. +* +* Licensed under the Apache License, Version 2.0 (the "License"); +* you may not use this file except in compliance with the License. +* You may obtain a copy of the License at +* +* http://www.apache.org/licenses/LICENSE-2.0 +* +* Unless required by applicable law or agreed to in writing, software +* distributed under the License is distributed on an "AS IS" BASIS, +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +* See the License for the specific language governing permissions and +* limitations under the License. +*/ + +'use strict'; + +// MODULES // + +var bench = require( '@stdlib/bench' ); +var uniform = require( '@stdlib/random/array/uniform' ); +var isnan = require( '@stdlib/math/base/assert/is-nan' ); +var pow = require( '@stdlib/math/base/special/pow' ); +var format = require( '@stdlib/string/format' ); +var pkg = require( './../package.json' ).name; +var dchebyshev = require( './../lib/ndarray.js' ); + + +// VARIABLES // + +var options = { + 'dtype': 'float64' +}; + + +// FUNCTIONS // + +/** +* Creates a benchmark function. +* +* @private +* @param {PositiveInteger} len - array length +* @returns {Function} benchmark function +*/ +function createBenchmark( len ) { + var x = uniform( len, -100.0, 100.0, options ); + var y = uniform( len, -100.0, 100.0, options ); + return benchmark; + + /** + * Benchmark function. + * + * @private + * @param {Benchmark} b - benchmark instance + */ + function benchmark( b ) { + var d; + var i; + + b.tic(); + for ( i = 0; i < b.iterations; i++ ) { + d = dchebyshev( x.length, x, 1, 0, y, 1, 0 ); + if ( isnan( d ) ) { + b.fail( 'should not return NaN' ); + } + } + b.toc(); + if ( isnan( d ) ) { + b.fail( 'should not return NaN' ); + } + b.pass( 'benchmark finished' ); + b.end(); + } +} + + +// MAIN // + +/** +* Main execution sequence. +* +* @private +*/ +function main() { + var len; + var min; + var max; + var f; + var i; + + min = 1; // 10^min + max = 6; // 10^max + + for ( i = min; i <= max; i++ ) { + len = pow( 10, i ); + f = createBenchmark( len ); + bench( format( '%s:ndarray:len=%d', pkg, len ), f ); + } +} + +main(); diff --git a/lib/node_modules/@stdlib/stats/strided/distances/dchebyshev/benchmark/benchmark.ndarray.native.js b/lib/node_modules/@stdlib/stats/strided/distances/dchebyshev/benchmark/benchmark.ndarray.native.js new file mode 100644 index 000000000000..2094b73a3b97 --- /dev/null +++ b/lib/node_modules/@stdlib/stats/strided/distances/dchebyshev/benchmark/benchmark.ndarray.native.js @@ -0,0 +1,109 @@ +/** +* @license Apache-2.0 +* +* Copyright (c) 2026 The Stdlib Authors. +* +* Licensed under the Apache License, Version 2.0 (the "License"); +* you may not use this file except in compliance with the License. +* You may obtain a copy of the License at +* +* http://www.apache.org/licenses/LICENSE-2.0 +* +* Unless required by applicable law or agreed to in writing, software +* distributed under the License is distributed on an "AS IS" BASIS, +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +* See the License for the specific language governing permissions and +* limitations under the License. +*/ + +'use strict'; + +// MODULES // + +var resolve = require( 'path' ).resolve; +var bench = require( '@stdlib/bench' ); +var uniform = require( '@stdlib/random/array/uniform' ); +var isnan = require( '@stdlib/math/base/assert/is-nan' ); +var pow = require( '@stdlib/math/base/special/pow' ); +var tryRequire = require( '@stdlib/utils/try-require' ); +var format = require( '@stdlib/string/format' ); +var pkg = require( './../package.json' ).name; + + +// VARIABLES // + +var dchebyshev = tryRequire( resolve( __dirname, './../lib/ndarray.native.js' ) ); +var opts = { + 'skip': ( dchebyshev instanceof Error ) +}; +var options = { + 'dtype': 'float64' +}; + + +// FUNCTIONS // + +/** +* Creates a benchmark function. +* +* @private +* @param {PositiveInteger} len - array length +* @returns {Function} benchmark function +*/ +function createBenchmark( len ) { + var x = uniform( len, -100.0, 100.0, options ); + var y = uniform( len, -100.0, 100.0, options ); + return benchmark; + + /** + * Benchmark function. + * + * @private + * @param {Benchmark} b - benchmark instance + */ + function benchmark( b ) { + var d; + var i; + + b.tic(); + for ( i = 0; i < b.iterations; i++ ) { + d = dchebyshev( x.length, x, 1, 0, y, 1, 0 ); + if ( isnan( d ) ) { + b.fail( 'should not return NaN' ); + } + } + b.toc(); + if ( isnan( d ) ) { + b.fail( 'should not return NaN' ); + } + b.pass( 'benchmark finished' ); + b.end(); + } +} + + +// MAIN // + +/** +* Main execution sequence. +* +* @private +*/ +function main() { + var len; + var min; + var max; + var f; + var i; + + min = 1; // 10^min + max = 6; // 10^max + + for ( i = min; i <= max; i++ ) { + len = pow( 10, i ); + f = createBenchmark( len ); + bench( format( '%s::native:ndarray:len=%d', pkg, len ), opts, f ); + } +} + +main(); diff --git a/lib/node_modules/@stdlib/stats/strided/distances/dchebyshev/benchmark/c/Makefile b/lib/node_modules/@stdlib/stats/strided/distances/dchebyshev/benchmark/c/Makefile new file mode 100644 index 000000000000..0756dc7da20a --- /dev/null +++ b/lib/node_modules/@stdlib/stats/strided/distances/dchebyshev/benchmark/c/Makefile @@ -0,0 +1,146 @@ +#/ +# @license Apache-2.0 +# +# Copyright (c) 2026 The Stdlib Authors. +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. +#/ + +# VARIABLES # + +ifndef VERBOSE + QUIET := @ +else + QUIET := +endif + +# Determine the OS ([1][1], [2][2]). +# +# [1]: https://en.wikipedia.org/wiki/Uname#Examples +# [2]: http://stackoverflow.com/a/27776822/2225624 +OS ?= $(shell uname) +ifneq (, $(findstring MINGW,$(OS))) + OS := WINNT +else +ifneq (, $(findstring MSYS,$(OS))) + OS := WINNT +else +ifneq (, $(findstring CYGWIN,$(OS))) + OS := WINNT +else +ifneq (, $(findstring Windows_NT,$(OS))) + OS := WINNT +endif +endif +endif +endif + +# Define the program used for compiling C source files: +ifdef C_COMPILER + CC := $(C_COMPILER) +else + CC := gcc +endif + +# Define the command-line options when compiling C files: +CFLAGS ?= \ + -std=c99 \ + -O3 \ + -Wall \ + -pedantic + +# Determine whether to generate position independent code ([1][1], [2][2]). +# +# [1]: https://gcc.gnu.org/onlinedocs/gcc/Code-Gen-Options.html#Code-Gen-Options +# [2]: http://stackoverflow.com/questions/5311515/gcc-fpic-option +ifeq ($(OS), WINNT) + fPIC ?= +else + fPIC ?= -fPIC +endif + +# List of includes (e.g., `-I /foo/bar -I /beep/boop/include`): +INCLUDE ?= + +# List of source files: +SOURCE_FILES ?= + +# List of libraries (e.g., `-lopenblas -lpthread`): +LIBRARIES ?= + +# List of library paths (e.g., `-L /foo/bar -L /beep/boop`): +LIBPATH ?= + +# List of C targets: +c_targets := benchmark.length.out + + +# RULES # + +#/ +# Compiles source files. +# +# @param {string} [C_COMPILER] - C compiler (e.g., `gcc`) +# @param {string} [CFLAGS] - C compiler options +# @param {(string|void)} [fPIC] - compiler flag determining whether to generate position independent code (e.g., `-fPIC`) +# @param {string} [INCLUDE] - list of includes (e.g., `-I /foo/bar -I /beep/boop/include`) +# @param {string} [SOURCE_FILES] - list of source files +# @param {string} [LIBPATH] - list of library paths (e.g., `-L /foo/bar -L /beep/boop`) +# @param {string} [LIBRARIES] - list of libraries (e.g., `-lopenblas -lpthread`) +# +# @example +# make +# +# @example +# make all +#/ +all: $(c_targets) + +.PHONY: all + +#/ +# Compiles C source files. +# +# @private +# @param {string} CC - C compiler (e.g., `gcc`) +# @param {string} CFLAGS - C compiler options +# @param {(string|void)} fPIC - compiler flag determining whether to generate position independent code (e.g., `-fPIC`) +# @param {string} INCLUDE - list of includes (e.g., `-I /foo/bar`) +# @param {string} SOURCE_FILES - list of source files +# @param {string} LIBPATH - list of library paths (e.g., `-L /foo/bar`) +# @param {string} LIBRARIES - list of libraries (e.g., `-lopenblas`) +#/ +$(c_targets): %.out: %.c + $(QUIET) $(CC) $(CFLAGS) $(fPIC) $(INCLUDE) -o $@ $(SOURCE_FILES) $< $(LIBPATH) -lm $(LIBRARIES) + +#/ +# Runs compiled benchmarks. +# +# @example +# make run +#/ +run: $(c_targets) + $(QUIET) ./$< + +.PHONY: run + +#/ +# Removes generated files. +# +# @example +# make clean +#/ +clean: + $(QUIET) -rm -f *.o *.out + +.PHONY: clean diff --git a/lib/node_modules/@stdlib/stats/strided/distances/dchebyshev/benchmark/c/benchmark.length.c b/lib/node_modules/@stdlib/stats/strided/distances/dchebyshev/benchmark/c/benchmark.length.c new file mode 100644 index 000000000000..2c80f1d53f6c --- /dev/null +++ b/lib/node_modules/@stdlib/stats/strided/distances/dchebyshev/benchmark/c/benchmark.length.c @@ -0,0 +1,205 @@ +/** +* @license Apache-2.0 +* +* Copyright (c) 2026 The Stdlib Authors. +* +* Licensed under the Apache License, Version 2.0 (the "License"); +* you may not use this file except in compliance with the License. +* You may obtain a copy of the License at +* +* http://www.apache.org/licenses/LICENSE-2.0 +* +* Unless required by applicable law or agreed to in writing, software +* distributed under the License is distributed on an "AS IS" BASIS, +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +* See the License for the specific language governing permissions and +* limitations under the License. +*/ + +#include "stdlib/stats/strided/distances/dchebyshev.h" +#include +#include +#include +#include +#include + +#define NAME "dchebyshev" +#define ITERATIONS 10000000 +#define REPEATS 3 +#define MIN 1 +#define MAX 6 + +/** +* Prints the TAP version. +*/ +static void print_version( void ) { + printf( "TAP version 13\n" ); +} + +/** +* Prints the TAP summary. +* +* @param total total number of tests +* @param passing total number of passing tests +*/ +static void print_summary( int total, int passing ) { + printf( "#\n" ); + printf( "1..%d\n", total ); // TAP plan + printf( "# total %d\n", total ); + printf( "# pass %d\n", passing ); + printf( "#\n" ); + printf( "# ok\n" ); +} + +/** +* Prints benchmarks results. +* +* @param iterations number of iterations +* @param elapsed elapsed time in seconds +*/ +static void print_results( int iterations, double elapsed ) { + double rate = (double)iterations / elapsed; + printf( " ---\n" ); + printf( " iterations: %d\n", iterations ); + printf( " elapsed: %0.9f\n", elapsed ); + printf( " rate: %0.9f\n", rate ); + printf( " ...\n" ); +} + +/** +* Returns a clock time. +* +* @return clock time +*/ +static double tic( void ) { + struct timeval now; + gettimeofday( &now, NULL ); + return (double)now.tv_sec + (double)now.tv_usec/1.0e6; +} + +/** +* Generates a random number on the interval [min,max). +* +* @param min minimum value (inclusive) +* @param max maximum value (exclusive) +* @return random number +*/ +static double random_uniform( const double min, const double max ) { + double v = (double)rand() / ( (double)RAND_MAX + 1.0 ); + return min + ( v*(max-min) ); +} + +/** +* Runs a benchmark. +* +* @param iterations number of iterations +* @param len array length +* @return elapsed time in seconds +*/ +static double benchmark1( int iterations, int len ) { + double elapsed; + double *x; + double *y; + double z; + double t; + int i; + + x = (double *) malloc( len * sizeof( double ) ); + y = (double *) malloc( len * sizeof( double ) ); + for ( i = 0; i < len; i++ ) { + x[ i ] = random_uniform( -10000.0, 10000.0 ); + y[ i ] = random_uniform( -10000.0, 10000.0 ); + } + z = 0.0; + t = tic(); + for ( i = 0; i < iterations; i++ ) { + z = stdlib_strided_dchebyshev( len, x, 1, y, 1 ); + if ( z != z ) { + printf( "should not return NaN\n" ); + break; + } + } + elapsed = tic() - t; + if ( z != z ) { + printf( "should not return NaN\n" ); + } + free( x ); + free( y ); + return elapsed; +} + +/** +* Runs a benchmark. +* +* @param iterations number of iterations +* @param len array length +* @return elapsed time in seconds +*/ +static double benchmark2( int iterations, int len ) { + double elapsed; + double *x; + double *y; + double z; + double t; + int i; + + x = (double *) malloc( len * sizeof( double ) ); + y = (double *) malloc( len * sizeof( double ) ); + for ( i = 0; i < len; i++ ) { + x[ i ] = random_uniform( -10000.0, 10000.0 ); + y[ i ] = random_uniform( -10000.0, 10000.0 ); + } + z = 0.0; + t = tic(); + for ( i = 0; i < iterations; i++ ) { + z = stdlib_strided_dchebyshev_ndarray( len, x, 1, 0, y, 1, 0 ); + if ( z != z ) { + printf( "should not return NaN\n" ); + break; + } + } + elapsed = tic() - t; + if ( z != z ) { + printf( "should not return NaN\n" ); + } + free( x ); + free( y ); + return elapsed; +} + +/** +* Main execution sequence. +*/ +int main( void ) { + double elapsed; + int count; + int iter; + int len; + int i; + int j; + + // Use the current time to seed the random number generator: + srand( time( NULL ) ); + + print_version(); + count = 0; + for ( i = MIN; i <= MAX; i++ ) { + len = pow( 10, i ); + iter = ITERATIONS / pow( 10, i-1 ); + for ( j = 0; j < REPEATS; j++ ) { + count += 1; + printf( "# c::%s:len=%d\n", NAME, len ); + elapsed = benchmark1( iter, len ); + print_results( iter, elapsed ); + printf( "ok %d benchmark finished\n", count ); + } + for ( j = 0; j < REPEATS; j++ ) { + count += 1; + printf( "# c::%s:ndarray:len=%d\n", NAME, len ); + elapsed = benchmark2( iter, len ); + print_results( iter, elapsed ); + printf( "ok %d benchmark finished\n", count ); + } + } + print_summary( count, count ); +} diff --git a/lib/node_modules/@stdlib/stats/strided/distances/dchebyshev/binding.gyp b/lib/node_modules/@stdlib/stats/strided/distances/dchebyshev/binding.gyp new file mode 100644 index 000000000000..60dce9d0b31a --- /dev/null +++ b/lib/node_modules/@stdlib/stats/strided/distances/dchebyshev/binding.gyp @@ -0,0 +1,265 @@ +# @license Apache-2.0 +# +# Copyright (c) 2026 The Stdlib Authors. +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. + +# A `.gyp` file for building a Node.js native add-on. +# +# [1]: https://gyp.gsrc.io/docs/InputFormatReference.md +# [2]: https://gyp.gsrc.io/docs/UserDocumentation.md +{ + # List of files to include in this file: + 'includes': [ + './include.gypi', + ], + + # Define variables to be used throughout the configuration for all targets: + 'variables': { + # Target name should match the add-on export name: + 'addon_target_name%': 'addon', + + # Fortran compiler (to override -Dfortran_compiler=): + 'fortran_compiler%': 'gfortran', + + # Fortran compiler flags: + 'fflags': [ + # Specify the Fortran standard to which a program is expected to conform: + '-std=f95', + + # Indicate that the layout is free-form source code: + '-ffree-form', + + # Aggressive optimization: + '-O3', + + # Enable commonly used warning options: + '-Wall', + + # Warn if source code contains problematic language features: + '-Wextra', + + # Warn if a procedure is called without an explicit interface: + '-Wimplicit-interface', + + # Do not transform names of entities specified in Fortran source files by appending underscores (i.e., don't mangle names, thus allowing easier usage in C wrappers): + '-fno-underscoring', + + # Warn if source code contains Fortran 95 extensions and C-language constructs: + '-pedantic', + + # Compile but do not link (output is an object file): + '-c', + ], + + # Set variables based on the host OS: + 'conditions': [ + [ + 'OS=="win"', + { + # Define the object file suffix: + 'obj': 'obj', + }, + { + # Define the object file suffix: + 'obj': 'o', + } + ], # end condition (OS=="win") + ], # end conditions + }, # end variables + + # Define compile targets: + 'targets': [ + + # Target to generate an add-on: + { + # The target name should match the add-on export name: + 'target_name': '<(addon_target_name)', + + # Define dependencies: + 'dependencies': [], + + # Define directories which contain relevant include headers: + 'include_dirs': [ + # Local include directory: + '<@(include_dirs)', + ], + + # List of source files: + 'sources': [ + '<@(src_files)', + ], + + # Settings which should be applied when a target's object files are used as linker input: + 'link_settings': { + # Define libraries: + 'libraries': [ + '<@(libraries)', + ], + + # Define library directories: + 'library_dirs': [ + '<@(library_dirs)', + ], + }, + + # C/C++ compiler flags: + 'cflags': [ + # Enable commonly used warning options: + '-Wall', + + # Aggressive optimization: + '-O3', + ], + + # C specific compiler flags: + 'cflags_c': [ + # Specify the C standard to which a program is expected to conform: + '-std=c99', + ], + + # C++ specific compiler flags: + 'cflags_cpp': [ + # Specify the C++ standard to which a program is expected to conform: + '-std=c++11', + ], + + # Linker flags: + 'ldflags': [], + + # Apply conditions based on the host OS: + 'conditions': [ + [ + 'OS=="mac"', + { + # Linker flags: + 'ldflags': [ + '-undefined dynamic_lookup', + '-Wl,-no-pie', + '-Wl,-search_paths_first', + ], + }, + ], # end condition (OS=="mac") + [ + 'OS!="win"', + { + # C/C++ flags: + 'cflags': [ + # Generate platform-independent code: + '-fPIC', + ], + }, + ], # end condition (OS!="win") + ], # end conditions + + # Define custom build actions for particular inputs: + 'rules': [ + { + # Define a rule for processing Fortran files: + 'extension': 'f', + + # Define the pathnames to be used as inputs when performing processing: + 'inputs': [ + # Full path of the current input: + '<(RULE_INPUT_PATH)' + ], + + # Define the outputs produced during processing: + 'outputs': [ + # Store an output object file in a directory for placing intermediate results (only accessible within a single target): + '<(INTERMEDIATE_DIR)/<(RULE_INPUT_ROOT).<(obj)' + ], + + # Define the rule for compiling Fortran based on the host OS: + 'conditions': [ + [ + 'OS=="win"', + + # Rule to compile Fortran on Windows: + { + 'rule_name': 'compile_fortran_windows', + 'message': 'Compiling Fortran file <(RULE_INPUT_PATH) on Windows...', + + 'process_outputs_as_sources': 0, + + # Define the command-line invocation: + 'action': [ + '<(fortran_compiler)', + '<@(fflags)', + '<@(_inputs)', + '-o', + '<@(_outputs)', + ], + }, + + # Rule to compile Fortran on non-Windows: + { + 'rule_name': 'compile_fortran_linux', + 'message': 'Compiling Fortran file <(RULE_INPUT_PATH) on Linux...', + + 'process_outputs_as_sources': 1, + + # Define the command-line invocation: + 'action': [ + '<(fortran_compiler)', + '<@(fflags)', + '-fPIC', # generate platform-independent code + '<@(_inputs)', + '-o', + '<@(_outputs)', + ], + } + ], # end condition (OS=="win") + ], # end conditions + }, # end rule (extension=="f") + ], # end rules + }, # end target <(addon_target_name) + + # Target to copy a generated add-on to a standard location: + { + 'target_name': 'copy_addon', + + # Declare that the output of this target is not linked: + 'type': 'none', + + # Define dependencies: + 'dependencies': [ + # Require that the add-on be generated before building this target: + '<(addon_target_name)', + ], + + # Define a list of actions: + 'actions': [ + { + 'action_name': 'copy_addon', + 'message': 'Copying addon...', + + # Explicitly list the inputs in the command-line invocation below: + 'inputs': [], + + # Declare the expected outputs: + 'outputs': [ + '<(addon_output_dir)/<(addon_target_name).node', + ], + + # Define the command-line invocation: + 'action': [ + 'cp', + '<(PRODUCT_DIR)/<(addon_target_name).node', + '<(addon_output_dir)/<(addon_target_name).node', + ], + }, + ], # end actions + }, # end target copy_addon + ], # end targets +} diff --git a/lib/node_modules/@stdlib/stats/strided/distances/dchebyshev/docs/repl.txt b/lib/node_modules/@stdlib/stats/strided/distances/dchebyshev/docs/repl.txt new file mode 100644 index 000000000000..46e254a664a1 --- /dev/null +++ b/lib/node_modules/@stdlib/stats/strided/distances/dchebyshev/docs/repl.txt @@ -0,0 +1,110 @@ + +{{alias}}( N, x, strideX, y, strideY ) + Computes the Chebyshev distance between two double-precision floating-point + strided arrays. + + The `N` and stride parameters determine which elements in the strided arrays + are accessed at runtime. + + Indexing is relative to the first index. To introduce an offset, use a typed + array view. + + If `N <= 0`, the function returns `NaN`. + + Parameters + ---------- + N: integer + Number of indexed elements. + + x: Float64Array + First input array. + + strideX: integer + Stride length for `x`. + + y: Float64Array + Second input array. + + strideY: integer + Stride length for `y`. + + Returns + ------- + out: number + Chebyshev distance. + + Examples + -------- + // Standard usage: + > var x = new {{alias:@stdlib/array/float64}}( [ 4.0, 2.0, -3.0, 5.0, -1.0 ] ); + > var y = new {{alias:@stdlib/array/float64}}( [ 2.0, 6.0, -1.0, -4.0, 8.0 ] ); + > var out = {{alias}}( x.length, x, 1, y, 1 ) + 9.0 + + // Using N and stride parameters: + > x = new {{alias:@stdlib/array/float64}}( [ 1.0, 2.0, 3.0, 4.0, 5.0, 6.0 ] ); + > y = new {{alias:@stdlib/array/float64}}( [ 1.0, 1.0, 1.0, 0.0, 0.0, 0.0 ] ); + > out = {{alias}}( 3, x, 1, y, -1 ) + 2.0 + + // Using view offsets: + > x = new {{alias:@stdlib/array/float64}}( [ 1.0, 2.0, 3.0, 4.0, 5.0, 6.0 ] ); + > y = new {{alias:@stdlib/array/float64}}( [ 7.0, 8.0, 9.0, 10.0, 11.0, 12.0 ] ); + > var x1 = new {{alias:@stdlib/array/float64}}( x.buffer, x.BYTES_PER_ELEMENT*1 ); + > var y1 = new {{alias:@stdlib/array/float64}}( y.buffer, y.BYTES_PER_ELEMENT*3 ); + > out = {{alias}}( 3, x1, 1, y1, 1 ) + 8.0 + + +{{alias}}.ndarray( N, x, strideX, offsetX, y, strideY, offsetY ) + Computes the Chebyshev distance between two double-precision floating-point + strided arrays using alternative indexing semantics. + + While typed array views mandate a view offset based on the underlying + buffer, offset parameters support indexing semantics based on starting + indices. + + Parameters + ---------- + N: integer + Number of indexed elements. + + x: Float64Array + First input array. + + strideX: integer + Stride length for `x`. + + offsetX: integer + Starting index for `x`. + + y: Float64Array + Second input array. + + strideY: integer + Stride length for `y`. + + offsetY: integer + Starting index for `y`. + + Returns + ------- + out: number + Chebyshev distance. + + Examples + -------- + // Standard usage: + > var x = new {{alias:@stdlib/array/float64}}( [ 4.0, 2.0, -3.0, 5.0, -1.0 ] ); + > var y = new {{alias:@stdlib/array/float64}}( [ 2.0, 6.0, -1.0, -4.0, 8.0 ] ); + > var out = {{alias}}.ndarray( x.length, x, 1, 0, y, 1, 0 ) + 9.0 + + // Using starting indices: + > x = new {{alias:@stdlib/array/float64}}( [ 1.0, 2.0, 3.0, 4.0, 5.0, 6.0 ] ); + > y = new {{alias:@stdlib/array/float64}}( [ 7.0, 8.0, 9.0, 10.0, 11.0, 12.0 ] ); + > out = {{alias}}.ndarray( 3, x, 1, 1, y, 1, 3 ) + 8.0 + + See Also + -------- diff --git a/lib/node_modules/@stdlib/stats/strided/distances/dchebyshev/docs/types/index.d.ts b/lib/node_modules/@stdlib/stats/strided/distances/dchebyshev/docs/types/index.d.ts new file mode 100644 index 000000000000..08d013d3adbf --- /dev/null +++ b/lib/node_modules/@stdlib/stats/strided/distances/dchebyshev/docs/types/index.d.ts @@ -0,0 +1,103 @@ +/* +* @license Apache-2.0 +* +* Copyright (c) 2026 The Stdlib Authors. +* +* Licensed under the Apache License, Version 2.0 (the "License"); +* you may not use this file except in compliance with the License. +* You may obtain a copy of the License at +* +* http://www.apache.org/licenses/LICENSE-2.0 +* +* Unless required by applicable law or agreed to in writing, software +* distributed under the License is distributed on an "AS IS" BASIS, +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +* See the License for the specific language governing permissions and +* limitations under the License. +*/ + +// TypeScript Version: 4.1 + +/** +* Interface describing `dchebyshev`. +*/ +interface Routine { + /** + * Computes the Chebyshev distance between two double-precision floating-point strided arrays. + * + * @param N - number of indexed elements + * @param x - first input array + * @param strideX - `x` stride length + * @param y - second input array + * @param strideY - `y` stride length + * @returns Chebyshev distance + * + * @example + * var Float64Array = require( '@stdlib/array/float64' ); + * + * var x = new Float64Array( [ 4.0, 2.0, -3.0, 5.0, -1.0 ] ); + * var y = new Float64Array( [ 2.0, 6.0, -1.0, -4.0, 8.0 ] ); + * + * var z = dchebyshev( x.length, x, 1, y, 1 ); + * // returns 9.0 + */ + ( N: number, x: Float64Array, strideX: number, y: Float64Array, strideY: number ): number; + + /** + * Computes the Chebyshev distance between two double-precision floating-point strided arrays using alternative indexing semantics. + * + * @param N - number of indexed elements + * @param x - first input array + * @param strideX - `x` stride length + * @param offsetX - starting index for `x` + * @param y - second input array + * @param strideY - `y` stride length + * @param offsetY - starting index for `y` + * @returns Chebyshev distance + * + * @example + * var Float64Array = require( '@stdlib/array/float64' ); + * + * var x = new Float64Array( [ 4.0, 2.0, -3.0, 5.0, -1.0 ] ); + * var y = new Float64Array( [ 2.0, 6.0, -1.0, -4.0, 8.0 ] ); + * + * var z = dchebyshev.ndarray( x.length, x, 1, 0, y, 1, 0 ); + * // returns 9.0 + */ + ndarray( N: number, x: Float64Array, strideX: number, offsetX: number, y: Float64Array, strideY: number, offsetY: number ): number; +} + +/** +* Computes the Chebyshev distance between two double-precision floating-point strided arrays. +* +* @param N - number of indexed elements +* @param x - first input array +* @param strideX - `x` stride length +* @param y - second input array +* @param strideY - `y` stride length +* @returns Chebyshev distance +* +* @example +* var Float64Array = require( '@stdlib/array/float64' ); +* +* var x = new Float64Array( [ 4.0, 2.0, -3.0, 5.0, -1.0 ] ); +* var y = new Float64Array( [ 2.0, 6.0, -1.0, -4.0, 8.0 ] ); +* +* var z = dchebyshev( x.length, x, 1, y, 1 ); +* // returns 9.0 +* +* @example +* var Float64Array = require( '@stdlib/array/float64' ); +* +* var x = new Float64Array( [ 4.0, 2.0, -3.0, 5.0, -1.0 ] ); +* var y = new Float64Array( [ 2.0, 6.0, -1.0, -4.0, 8.0 ] ); +* +* var z = dchebyshev.ndarray( x.length, x, 1, 0, y, 1, 0 ); +* // returns 9.0 +*/ +declare var dchebyshev: Routine; + + +// EXPORTS // + +export = dchebyshev; diff --git a/lib/node_modules/@stdlib/stats/strided/distances/dchebyshev/docs/types/test.ts b/lib/node_modules/@stdlib/stats/strided/distances/dchebyshev/docs/types/test.ts new file mode 100644 index 000000000000..013c0b504504 --- /dev/null +++ b/lib/node_modules/@stdlib/stats/strided/distances/dchebyshev/docs/types/test.ts @@ -0,0 +1,248 @@ +/* +* @license Apache-2.0 +* +* Copyright (c) 2026 The Stdlib Authors. +* +* Licensed under the Apache License, Version 2.0 (the "License"); +* you may not use this file except in compliance with the License. +* You may obtain a copy of the License at +* +* http://www.apache.org/licenses/LICENSE-2.0 +* +* Unless required by applicable law or agreed to in writing, software +* distributed under the License is distributed on an "AS IS" BASIS, +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +* See the License for the specific language governing permissions and +* limitations under the License. +*/ + +import dchebyshev = require( './index' ); + + +// TESTS // + +// The function returns a number... +{ + const x = new Float64Array( 10 ); + const y = new Float64Array( 10 ); + + dchebyshev( x.length, x, 1, y, 1 ); // $ExpectType number +} + +// The compiler throws an error if the function is provided a first argument which is not a number... +{ + const x = new Float64Array( 10 ); + const y = new Float64Array( 10 ); + + dchebyshev( '10', x, 1, y, 1 ); // $ExpectError + dchebyshev( true, x, 1, y, 1 ); // $ExpectError + dchebyshev( false, x, 1, y, 1 ); // $ExpectError + dchebyshev( null, x, 1, y, 1 ); // $ExpectError + dchebyshev( undefined, x, 1, y, 1 ); // $ExpectError + dchebyshev( [], x, 1, y, 1 ); // $ExpectError + dchebyshev( {}, x, 1, y, 1 ); // $ExpectError + dchebyshev( ( x: number ): number => x, x, 1, y, 1 ); // $ExpectError +} + +// The compiler throws an error if the function is provided a second argument which is not a Float64Array... +{ + const x = new Float64Array( 10 ); + const y = new Float64Array( 10 ); + + dchebyshev( x.length, 10, 1, y, 1 ); // $ExpectError + dchebyshev( x.length, '10', 1, y, 1 ); // $ExpectError + dchebyshev( x.length, true, 1, y, 1 ); // $ExpectError + dchebyshev( x.length, false, 1, y, 1 ); // $ExpectError + dchebyshev( x.length, null, 1, y, 1 ); // $ExpectError + dchebyshev( x.length, undefined, 1, y, 1 ); // $ExpectError + dchebyshev( x.length, [], 1, y, 1 ); // $ExpectError + dchebyshev( x.length, {}, 1, y, 1 ); // $ExpectError + dchebyshev( x.length, ( x: number ): number => x, 1, y, 1 ); // $ExpectError +} + +// The compiler throws an error if the function is provided a third argument which is not a number... +{ + const x = new Float64Array( 10 ); + const y = new Float64Array( 10 ); + + dchebyshev( x.length, x, '10', y, 1 ); // $ExpectError + dchebyshev( x.length, x, true, y, 1 ); // $ExpectError + dchebyshev( x.length, x, false, y, 1 ); // $ExpectError + dchebyshev( x.length, x, null, y, 1 ); // $ExpectError + dchebyshev( x.length, x, undefined, y, 1 ); // $ExpectError + dchebyshev( x.length, x, [], y, 1 ); // $ExpectError + dchebyshev( x.length, x, {}, y, 1 ); // $ExpectError + dchebyshev( x.length, x, ( x: number ): number => x, y, 1 ); // $ExpectError +} + +// The compiler throws an error if the function is provided a fourth argument which is not a Float64Array... +{ + const x = new Float64Array( 10 ); + + dchebyshev( x.length, x, 1, 10, 1 ); // $ExpectError + dchebyshev( x.length, x, 1, '10', 1 ); // $ExpectError + dchebyshev( x.length, x, 1, true, 1 ); // $ExpectError + dchebyshev( x.length, x, 1, false, 1 ); // $ExpectError + dchebyshev( x.length, x, 1, null, 1 ); // $ExpectError + dchebyshev( x.length, x, 1, undefined, 1 ); // $ExpectError + dchebyshev( x.length, x, 1, [], 1 ); // $ExpectError + dchebyshev( x.length, x, 1, {}, 1 ); // $ExpectError + dchebyshev( x.length, x, 1, ( x: number ): number => x, 1 ); // $ExpectError +} + +// The compiler throws an error if the function is provided a fifth argument which is not a number... +{ + const x = new Float64Array( 10 ); + const y = new Float64Array( 10 ); + + dchebyshev( x.length, x, 1, y, '10' ); // $ExpectError + dchebyshev( x.length, x, 1, y, true ); // $ExpectError + dchebyshev( x.length, x, 1, y, false ); // $ExpectError + dchebyshev( x.length, x, 1, y, null ); // $ExpectError + dchebyshev( x.length, x, 1, y, undefined ); // $ExpectError + dchebyshev( x.length, x, 1, y, [] ); // $ExpectError + dchebyshev( x.length, x, 1, y, {} ); // $ExpectError + dchebyshev( x.length, x, 1, y, ( x: number ): number => x ); // $ExpectError +} + +// The compiler throws an error if the function is provided an unsupported number of arguments... +{ + const x = new Float64Array( 10 ); + const y = new Float64Array( 10 ); + + dchebyshev(); // $ExpectError + dchebyshev( x.length ); // $ExpectError + dchebyshev( x.length, x ); // $ExpectError + dchebyshev( x.length, x, 1 ); // $ExpectError + dchebyshev( x.length, x, 1, y ); // $ExpectError + dchebyshev( x.length, x, 1, y, 1, 10 ); // $ExpectError +} + +// Attached to main export is an `ndarray` method which returns a number... +{ + const x = new Float64Array( 10 ); + const y = new Float64Array( 10 ); + + dchebyshev.ndarray( x.length, x, 1, 0, y, 1, 0 ); // $ExpectType number +} + +// The compiler throws an error if the `ndarray` method is provided a first argument which is not a number... +{ + const x = new Float64Array( 10 ); + const y = new Float64Array( 10 ); + + dchebyshev.ndarray( '10', x, 1, 0, y, 1, 0 ); // $ExpectError + dchebyshev.ndarray( true, x, 1, 0, y, 1, 0 ); // $ExpectError + dchebyshev.ndarray( false, x, 1, 0, y, 1, 0 ); // $ExpectError + dchebyshev.ndarray( null, x, 1, 0, y, 1, 0 ); // $ExpectError + dchebyshev.ndarray( undefined, x, 1, 0, y, 1, 0 ); // $ExpectError + dchebyshev.ndarray( [], x, 1, 0, y, 1, 0 ); // $ExpectError + dchebyshev.ndarray( {}, x, 1, 0, y, 1, 0 ); // $ExpectError + dchebyshev.ndarray( ( x: number ): number => x, x, 1, 0, y, 1, 0 ); // $ExpectError +} + +// The compiler throws an error if the `ndarray` method is provided a second argument which is not a Float64Array... +{ + const x = new Float64Array( 10 ); + const y = new Float64Array( 10 ); + + dchebyshev.ndarray( x.length, 10, 1, 0, y, 1, 0 ); // $ExpectError + dchebyshev.ndarray( x.length, '10', 1, 0, y, 1, 0 ); // $ExpectError + dchebyshev.ndarray( x.length, true, 1, 0, y, 1, 0 ); // $ExpectError + dchebyshev.ndarray( x.length, false, 1, 0, y, 1, 0 ); // $ExpectError + dchebyshev.ndarray( x.length, null, 1, 0, y, 1, 0 ); // $ExpectError + dchebyshev.ndarray( x.length, undefined, 1, 0, y, 1, 0 ); // $ExpectError + dchebyshev.ndarray( x.length, [], 1, 0, y, 1, 0 ); // $ExpectError + dchebyshev.ndarray( x.length, {}, 1, 0, y, 1, 0 ); // $ExpectError + dchebyshev.ndarray( x.length, ( x: number ): number => x, 1, 0, y, 1, 0 ); // $ExpectError +} + +// The compiler throws an error if the `ndarray` method is provided a third argument which is not a number... +{ + const x = new Float64Array( 10 ); + const y = new Float64Array( 10 ); + + dchebyshev.ndarray( x.length, x, '10', 0, y, 1, 0 ); // $ExpectError + dchebyshev.ndarray( x.length, x, true, 0, y, 1, 0 ); // $ExpectError + dchebyshev.ndarray( x.length, x, false, 0, y, 1, 0 ); // $ExpectError + dchebyshev.ndarray( x.length, x, null, 0, y, 1, 0 ); // $ExpectError + dchebyshev.ndarray( x.length, x, undefined, 0, y, 1, 0 ); // $ExpectError + dchebyshev.ndarray( x.length, x, [], 0, y, 1, 0 ); // $ExpectError + dchebyshev.ndarray( x.length, x, {}, 0, y, 1, 0 ); // $ExpectError + dchebyshev.ndarray( x.length, x, ( x: number ): number => x, 0, y, 1, 0 ); // $ExpectError +} + +// The compiler throws an error if the `ndarray` method is provided a fourth argument which is not a number... +{ + const x = new Float64Array( 10 ); + const y = new Float64Array( 10 ); + + dchebyshev.ndarray( x.length, x, 1, '10', y, 1, 0 ); // $ExpectError + dchebyshev.ndarray( x.length, x, 1, true, y, 1, 0 ); // $ExpectError + dchebyshev.ndarray( x.length, x, 1, false, y, 1, 0 ); // $ExpectError + dchebyshev.ndarray( x.length, x, 1, null, y, 1, 0 ); // $ExpectError + dchebyshev.ndarray( x.length, x, 1, undefined, y, 1, 0 ); // $ExpectError + dchebyshev.ndarray( x.length, x, 1, [], y, 1, 0 ); // $ExpectError + dchebyshev.ndarray( x.length, x, 1, {}, y, 1, 0 ); // $ExpectError + dchebyshev.ndarray( x.length, x, 1, ( x: number ): number => x, y, 1, 0 ); // $ExpectError +} + +// The compiler throws an error if the `ndarray` method is provided a fifth argument which is not a Float64Array... +{ + const x = new Float64Array( 10 ); + + dchebyshev.ndarray( x.length, x, 1, 0, 10, 1, 0 ); // $ExpectError + dchebyshev.ndarray( x.length, x, 1, 0, '10', 1, 0 ); // $ExpectError + dchebyshev.ndarray( x.length, x, 1, 0, true, 1, 0 ); // $ExpectError + dchebyshev.ndarray( x.length, x, 1, 0, false, 1, 0 ); // $ExpectError + dchebyshev.ndarray( x.length, x, 1, 0, null, 1, 0 ); // $ExpectError + dchebyshev.ndarray( x.length, x, 1, 0, undefined, 1, 0 ); // $ExpectError + dchebyshev.ndarray( x.length, x, 1, 0, [], 1, 0 ); // $ExpectError + dchebyshev.ndarray( x.length, x, 1, 0, {}, 1, 0 ); // $ExpectError + dchebyshev.ndarray( x.length, x, 1, 0, ( x: number ): number => x, 1, 0 ); // $ExpectError +} + +// The compiler throws an error if the `ndarray` method is provided a sixth argument which is not a number... +{ + const x = new Float64Array( 10 ); + const y = new Float64Array( 10 ); + + dchebyshev.ndarray( x.length, x, 1, 0, y, '10', 0 ); // $ExpectError + dchebyshev.ndarray( x.length, x, 1, 0, y, true, 0 ); // $ExpectError + dchebyshev.ndarray( x.length, x, 1, 0, y, false, 0 ); // $ExpectError + dchebyshev.ndarray( x.length, x, 1, 0, y, null, 0 ); // $ExpectError + dchebyshev.ndarray( x.length, x, 1, 0, y, undefined, 0 ); // $ExpectError + dchebyshev.ndarray( x.length, x, 1, 0, y, [], 0 ); // $ExpectError + dchebyshev.ndarray( x.length, x, 1, 0, y, {}, 0 ); // $ExpectError + dchebyshev.ndarray( x.length, x, 1, 0, y, ( x: number ): number => x, 0 ); // $ExpectError +} + +// The compiler throws an error if the `ndarray` method is provided a seventh argument which is not a number... +{ + const x = new Float64Array( 10 ); + const y = new Float64Array( 10 ); + + dchebyshev.ndarray( x.length, x, 1, 0, y, 1, '10' ); // $ExpectError + dchebyshev.ndarray( x.length, x, 1, 0, y, 1, true ); // $ExpectError + dchebyshev.ndarray( x.length, x, 1, 0, y, 1, false ); // $ExpectError + dchebyshev.ndarray( x.length, x, 1, 0, y, 1, null ); // $ExpectError + dchebyshev.ndarray( x.length, x, 1, 0, y, 1, undefined ); // $ExpectError + dchebyshev.ndarray( x.length, x, 1, 0, y, 1, [] ); // $ExpectError + dchebyshev.ndarray( x.length, x, 1, 0, y, 1, {} ); // $ExpectError + dchebyshev.ndarray( x.length, x, 1, 0, y, 1, ( x: number ): number => x ); // $ExpectError +} + +// The compiler throws an error if the `ndarray` method is provided an unsupported number of arguments... +{ + const x = new Float64Array( 10 ); + const y = new Float64Array( 10 ); + + dchebyshev.ndarray(); // $ExpectError + dchebyshev.ndarray( x.length ); // $ExpectError + dchebyshev.ndarray( x.length, x ); // $ExpectError + dchebyshev.ndarray( x.length, x, 1 ); // $ExpectError + dchebyshev.ndarray( x.length, x, 1, 0 ); // $ExpectError + dchebyshev.ndarray( x.length, x, 1, 0, y ); // $ExpectError + dchebyshev.ndarray( x.length, x, 1, 0, y, 1 ); // $ExpectError + dchebyshev.ndarray( x.length, x, 1, 0, y, 1, 0, 10 ); // $ExpectError +} diff --git a/lib/node_modules/@stdlib/stats/strided/distances/dchebyshev/examples/c/Makefile b/lib/node_modules/@stdlib/stats/strided/distances/dchebyshev/examples/c/Makefile new file mode 100644 index 000000000000..c8f8e9a1517b --- /dev/null +++ b/lib/node_modules/@stdlib/stats/strided/distances/dchebyshev/examples/c/Makefile @@ -0,0 +1,146 @@ +#/ +# @license Apache-2.0 +# +# Copyright (c) 2026 The Stdlib Authors. +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. +#/ + +# VARIABLES # + +ifndef VERBOSE + QUIET := @ +else + QUIET := +endif + +# Determine the OS ([1][1], [2][2]). +# +# [1]: https://en.wikipedia.org/wiki/Uname#Examples +# [2]: http://stackoverflow.com/a/27776822/2225624 +OS ?= $(shell uname) +ifneq (, $(findstring MINGW,$(OS))) + OS := WINNT +else +ifneq (, $(findstring MSYS,$(OS))) + OS := WINNT +else +ifneq (, $(findstring CYGWIN,$(OS))) + OS := WINNT +else +ifneq (, $(findstring Windows_NT,$(OS))) + OS := WINNT +endif +endif +endif +endif + +# Define the program used for compiling C source files: +ifdef C_COMPILER + CC := $(C_COMPILER) +else + CC := gcc +endif + +# Define the command-line options when compiling C files: +CFLAGS ?= \ + -std=c99 \ + -O3 \ + -Wall \ + -pedantic + +# Determine whether to generate position independent code ([1][1], [2][2]). +# +# [1]: https://gcc.gnu.org/onlinedocs/gcc/Code-Gen-Options.html#Code-Gen-Options +# [2]: http://stackoverflow.com/questions/5311515/gcc-fpic-option +ifeq ($(OS), WINNT) + fPIC ?= +else + fPIC ?= -fPIC +endif + +# List of includes (e.g., `-I /foo/bar -I /beep/boop/include`): +INCLUDE ?= + +# List of source files: +SOURCE_FILES ?= + +# List of libraries (e.g., `-lopenblas -lpthread`): +LIBRARIES ?= + +# List of library paths (e.g., `-L /foo/bar -L /beep/boop`): +LIBPATH ?= + +# List of C targets: +c_targets := example.out + + +# RULES # + +#/ +# Compiles source files. +# +# @param {string} [C_COMPILER] - C compiler (e.g., `gcc`) +# @param {string} [CFLAGS] - C compiler options +# @param {(string|void)} [fPIC] - compiler flag determining whether to generate position independent code (e.g., `-fPIC`) +# @param {string} [INCLUDE] - list of includes (e.g., `-I /foo/bar -I /beep/boop/include`) +# @param {string} [SOURCE_FILES] - list of source files +# @param {string} [LIBPATH] - list of library paths (e.g., `-L /foo/bar -L /beep/boop`) +# @param {string} [LIBRARIES] - list of libraries (e.g., `-lopenblas -lpthread`) +# +# @example +# make +# +# @example +# make all +#/ +all: $(c_targets) + +.PHONY: all + +#/ +# Compiles C source files. +# +# @private +# @param {string} CC - C compiler (e.g., `gcc`) +# @param {string} CFLAGS - C compiler options +# @param {(string|void)} fPIC - compiler flag determining whether to generate position independent code (e.g., `-fPIC`) +# @param {string} INCLUDE - list of includes (e.g., `-I /foo/bar`) +# @param {string} SOURCE_FILES - list of source files +# @param {string} LIBPATH - list of library paths (e.g., `-L /foo/bar`) +# @param {string} LIBRARIES - list of libraries (e.g., `-lopenblas`) +#/ +$(c_targets): %.out: %.c + $(QUIET) $(CC) $(CFLAGS) $(fPIC) $(INCLUDE) -o $@ $(SOURCE_FILES) $< $(LIBPATH) -lm $(LIBRARIES) + +#/ +# Runs compiled examples. +# +# @example +# make run +#/ +run: $(c_targets) + $(QUIET) ./$< + +.PHONY: run + +#/ +# Removes generated files. +# +# @example +# make clean +#/ +clean: + $(QUIET) -rm -f *.o *.out + +.PHONY: clean diff --git a/lib/node_modules/@stdlib/stats/strided/distances/dchebyshev/examples/c/example.c b/lib/node_modules/@stdlib/stats/strided/distances/dchebyshev/examples/c/example.c new file mode 100644 index 000000000000..31a010dae757 --- /dev/null +++ b/lib/node_modules/@stdlib/stats/strided/distances/dchebyshev/examples/c/example.c @@ -0,0 +1,45 @@ +/** +* @license Apache-2.0 +* +* Copyright (c) 2026 The Stdlib Authors. +* +* Licensed under the Apache License, Version 2.0 (the "License"); +* you may not use this file except in compliance with the License. +* You may obtain a copy of the License at +* +* http://www.apache.org/licenses/LICENSE-2.0 +* +* Unless required by applicable law or agreed to in writing, software +* distributed under the License is distributed on an "AS IS" BASIS, +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +* See the License for the specific language governing permissions and +* limitations under the License. +*/ + +#include "stdlib/stats/strided/distances/dchebyshev.h" +#include + +int main( void ) { + // Create strided arrays: + const double x[] = { 1.0, -2.0, 3.0, -4.0, 5.0, -6.0, 7.0, -8.0 }; + const double y[] = { 1.0, -2.0, 3.0, -4.0, 5.0, -6.0, 7.0, -8.0 }; + + // Specify the number of elements: + const int N = 8; + + // Specify strides: + const int strideX = 1; + const int strideY = -1; + + // Compute the Chebyshev distance between `x` and `y`: + double d = stdlib_strided_dchebyshev( N, x, strideX, y, strideY ); + + // Print the result: + printf( "Chebyshev distance: %lf\n", d ); + + // Compute the Chebyshev distance between `x` and `y` with offsets: + d = stdlib_strided_dchebyshev_ndarray( N, x, strideX, 0, y, strideY, N-1 ); + + // Print the result: + printf( "Chebyshev distance: %lf\n", d ); +} diff --git a/lib/node_modules/@stdlib/stats/strided/distances/dchebyshev/examples/index.js b/lib/node_modules/@stdlib/stats/strided/distances/dchebyshev/examples/index.js new file mode 100644 index 000000000000..b9fb2e593ee3 --- /dev/null +++ b/lib/node_modules/@stdlib/stats/strided/distances/dchebyshev/examples/index.js @@ -0,0 +1,34 @@ +/** +* @license Apache-2.0 +* +* Copyright (c) 2026 The Stdlib Authors. +* +* Licensed under the Apache License, Version 2.0 (the "License"); +* you may not use this file except in compliance with the License. +* You may obtain a copy of the License at +* +* http://www.apache.org/licenses/LICENSE-2.0 +* +* Unless required by applicable law or agreed to in writing, software +* distributed under the License is distributed on an "AS IS" BASIS, +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +* See the License for the specific language governing permissions and +* limitations under the License. +*/ + +'use strict'; + +var discreteUniform = require( '@stdlib/random/array/discrete-uniform' ); +var dchebyshev = require( './../lib' ); + +var opts = { + 'dtype': 'float64' +}; +var x = discreteUniform( 10, 0, 100, opts ); +console.log( x ); + +var y = discreteUniform( x.length, 0, 10, opts ); +console.log( y ); + +var out = dchebyshev.ndarray( x.length, x, 1, 0, y, -1, y.length-1 ); +console.log( out ); diff --git a/lib/node_modules/@stdlib/stats/strided/distances/dchebyshev/include.gypi b/lib/node_modules/@stdlib/stats/strided/distances/dchebyshev/include.gypi new file mode 100644 index 000000000000..dcb556d250e8 --- /dev/null +++ b/lib/node_modules/@stdlib/stats/strided/distances/dchebyshev/include.gypi @@ -0,0 +1,70 @@ +# @license Apache-2.0 +# +# Copyright (c) 2026 The Stdlib Authors. +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. + +# A GYP include file for building a Node.js native add-on. +# +# Note that nesting variables is required due to how GYP processes a configuration. Any variables defined within a nested 'variables' section is defined in the outer scope. Thus, conditions in the outer variable scope are free to use these variables without running into "variable undefined" errors. +# +# Main documentation: +# +# [1]: https://gyp.gsrc.io/docs/InputFormatReference.md +# [2]: https://gyp.gsrc.io/docs/UserDocumentation.md +# +# Variable nesting hacks: +# +# [3]: https://chromium.googlesource.com/external/skia/gyp/+/master/common_variables.gypi +# [4]: https://src.chromium.org/viewvc/chrome/trunk/src/build/common.gypi?revision=127004 +{ + # Define variables to be used throughout the configuration for all targets: + 'variables': { + 'variables': { + # Host BLAS library (to override -Dblas=): + 'blas%': '', + + # Path to BLAS library (to override -Dblas_dir=): + 'blas_dir%': '', + }, # end variables + + # Source directory: + 'src_dir': './src', + + # Include directories: + 'include_dirs': [ + '<@(blas_dir)', + ' max ) { + max = d; + } + ox += strideX; + oy += strideY; + } + return max; +} + + +// EXPORTS // + +module.exports = dchebyshev; diff --git a/lib/node_modules/@stdlib/stats/strided/distances/dchebyshev/lib/ndarray.native.js b/lib/node_modules/@stdlib/stats/strided/distances/dchebyshev/lib/ndarray.native.js new file mode 100644 index 000000000000..ac5488485fc9 --- /dev/null +++ b/lib/node_modules/@stdlib/stats/strided/distances/dchebyshev/lib/ndarray.native.js @@ -0,0 +1,56 @@ +/** +* @license Apache-2.0 +* +* Copyright (c) 2026 The Stdlib Authors. +* +* Licensed under the Apache License, Version 2.0 (the "License"); +* you may not use this file except in compliance with the License. +* You may obtain a copy of the License at +* +* http://www.apache.org/licenses/LICENSE-2.0 +* +* Unless required by applicable law or agreed to in writing, software +* distributed under the License is distributed on an "AS IS" BASIS, +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +* See the License for the specific language governing permissions and +* limitations under the License. +*/ + +'use strict'; + +// MODULES // + +var addon = require( './../src/addon.node' ); + + +// MAIN // + +/** +* Computes the Chebyshev distance between two double-precision floating-point strided arrays using alternative indexing semantics. +* +* @param {NonNegativeInteger} N - number of indexed elements +* @param {Float64Array} x - first input array +* @param {integer} strideX - stride length of `x` +* @param {NonNegativeInteger} offsetX - starting index for `x` +* @param {Float64Array} y - second input array +* @param {integer} strideY - stride length of `y` +* @param {NonNegativeInteger} offsetY - starting index for `y` +* @returns {number} Chebyshev distance +* +* @example +* var Float64Array = require( '@stdlib/array/float64' ); +* +* var x = new Float64Array( [ 4.0, 2.0, -3.0, 5.0, -1.0 ] ); +* var y = new Float64Array( [ 2.0, 6.0, -1.0, -4.0, 8.0 ] ); +* +* var z = dchebyshev( x.length, x, 1, 0, y, 1, 0 ); +* // returns 9.0 +*/ +function dchebyshev( N, x, strideX, offsetX, y, strideY, offsetY ) { + return addon.ndarray( N, x, strideX, offsetX, y, strideY, offsetY ); +} + + +// EXPORTS // + +module.exports = dchebyshev; diff --git a/lib/node_modules/@stdlib/stats/strided/distances/dchebyshev/manifest.json b/lib/node_modules/@stdlib/stats/strided/distances/dchebyshev/manifest.json new file mode 100644 index 000000000000..5b47bd2dc6d3 --- /dev/null +++ b/lib/node_modules/@stdlib/stats/strided/distances/dchebyshev/manifest.json @@ -0,0 +1,103 @@ +{ + "options": { + "task": "build", + "wasm": false + }, + "fields": [ + { + "field": "src", + "resolve": true, + "relative": true + }, + { + "field": "include", + "resolve": true, + "relative": true + }, + { + "field": "libraries", + "resolve": false, + "relative": false + }, + { + "field": "libpath", + "resolve": true, + "relative": false + } + ], + "confs": [ + { + "task": "build", + "wasm": false, + "src": [ + "./src/main.c" + ], + "include": [ + "./include" + ], + "libraries": [], + "libpath": [], + "dependencies": [ + "@stdlib/blas/base/shared", + "@stdlib/strided/base/stride2offset", + "@stdlib/math/base/special/abs", + "@stdlib/napi/export", + "@stdlib/napi/argv", + "@stdlib/napi/argv-int64", + "@stdlib/napi/argv-strided-float64array", + "@stdlib/napi/create-double" + ] + }, + { + "task": "benchmark", + "wasm": false, + "src": [ + "./src/main.c" + ], + "include": [ + "./include" + ], + "libraries": [], + "libpath": [], + "dependencies": [ + "@stdlib/blas/base/shared", + "@stdlib/strided/base/stride2offset", + "@stdlib/math/base/special/abs" + ] + }, + { + "task": "examples", + "wasm": false, + "src": [ + "./src/main.c" + ], + "include": [ + "./include" + ], + "libraries": [], + "libpath": [], + "dependencies": [ + "@stdlib/blas/base/shared", + "@stdlib/strided/base/stride2offset", + "@stdlib/math/base/special/abs" + ] + }, + { + "task": "", + "wasm": true, + "src": [ + "./src/main.c" + ], + "include": [ + "./include" + ], + "libraries": [], + "libpath": [], + "dependencies": [ + "@stdlib/blas/base/shared", + "@stdlib/strided/base/stride2offset", + "@stdlib/math/base/special/abs" + ] + } + ] +} diff --git a/lib/node_modules/@stdlib/stats/strided/distances/dchebyshev/package.json b/lib/node_modules/@stdlib/stats/strided/distances/dchebyshev/package.json new file mode 100644 index 000000000000..0371e4aca53b --- /dev/null +++ b/lib/node_modules/@stdlib/stats/strided/distances/dchebyshev/package.json @@ -0,0 +1,74 @@ +{ + "name": "@stdlib/stats/strided/distances/dchebyshev", + "version": "0.0.0", + "description": "Compute the Chebyshev distance between two double-precision floating-point strided arrays.", + "license": "Apache-2.0", + "author": { + "name": "The Stdlib Authors", + "url": "https://github.com/stdlib-js/stdlib/graphs/contributors" + }, + "contributors": [ + { + "name": "The Stdlib Authors", + "url": "https://github.com/stdlib-js/stdlib/graphs/contributors" + } + ], + "main": "./lib", + "browser": "./lib/main.js", + "gypfile": true, + "directories": { + "benchmark": "./benchmark", + "doc": "./docs", + "example": "./examples", + "include": "./include", + "lib": "./lib", + "src": "./src", + "test": "./test" + }, + "types": "./docs/types", + "scripts": {}, + "homepage": "https://github.com/stdlib-js/stdlib", + "repository": { + "type": "git", + "url": "git://github.com/stdlib-js/stdlib.git" + }, + "bugs": { + "url": "https://github.com/stdlib-js/stdlib/issues" + }, + "dependencies": {}, + "devDependencies": {}, + "engines": { + "node": ">=0.10.0", + "npm": ">2.7.0" + }, + "os": [ + "aix", + "darwin", + "freebsd", + "linux", + "macos", + "openbsd", + "sunos", + "win32", + "windows" + ], + "keywords": [ + "stdlib", + "stdmath", + "statistics", + "stats", + "mathematics", + "math", + "chebyshev", + "distance", + "metric", + "strided", + "strided array", + "typed", + "array", + "float64", + "double", + "float64array" + ], + "__stdlib__": {} +} diff --git a/lib/node_modules/@stdlib/stats/strided/distances/dchebyshev/src/Makefile b/lib/node_modules/@stdlib/stats/strided/distances/dchebyshev/src/Makefile new file mode 100644 index 000000000000..2caf905cedbe --- /dev/null +++ b/lib/node_modules/@stdlib/stats/strided/distances/dchebyshev/src/Makefile @@ -0,0 +1,70 @@ +#/ +# @license Apache-2.0 +# +# Copyright (c) 2026 The Stdlib Authors. +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. +#/ + +# VARIABLES # + +ifndef VERBOSE + QUIET := @ +else + QUIET := +endif + +# Determine the OS ([1][1], [2][2]). +# +# [1]: https://en.wikipedia.org/wiki/Uname#Examples +# [2]: http://stackoverflow.com/a/27776822/2225624 +OS ?= $(shell uname) +ifneq (, $(findstring MINGW,$(OS))) + OS := WINNT +else +ifneq (, $(findstring MSYS,$(OS))) + OS := WINNT +else +ifneq (, $(findstring CYGWIN,$(OS))) + OS := WINNT +else +ifneq (, $(findstring Windows_NT,$(OS))) + OS := WINNT +endif +endif +endif +endif + + +# RULES # + +#/ +# Removes generated files for building an add-on. +# +# @example +# make clean-addon +#/ +clean-addon: + $(QUIET) -rm -f *.o *.node + +.PHONY: clean-addon + +#/ +# Removes generated files. +# +# @example +# make clean +#/ +clean: clean-addon + +.PHONY: clean diff --git a/lib/node_modules/@stdlib/stats/strided/distances/dchebyshev/src/addon.c b/lib/node_modules/@stdlib/stats/strided/distances/dchebyshev/src/addon.c new file mode 100644 index 000000000000..442ee03a52f7 --- /dev/null +++ b/lib/node_modules/@stdlib/stats/strided/distances/dchebyshev/src/addon.c @@ -0,0 +1,66 @@ +/** +* @license Apache-2.0 +* +* Copyright (c) 2026 The Stdlib Authors. +* +* Licensed under the Apache License, Version 2.0 (the "License"); +* you may not use this file except in compliance with the License. +* You may obtain a copy of the License at +* +* http://www.apache.org/licenses/LICENSE-2.0 +* +* Unless required by applicable law or agreed to in writing, software +* distributed under the License is distributed on an "AS IS" BASIS, +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +* See the License for the specific language governing permissions and +* limitations under the License. +*/ + +#include "stdlib/stats/strided/distances/dchebyshev.h" +#include "stdlib/blas/base/shared.h" +#include "stdlib/napi/export.h" +#include "stdlib/napi/argv.h" +#include "stdlib/napi/argv_int64.h" +#include "stdlib/napi/argv_strided_float64array.h" +#include "stdlib/napi/create_double.h" +#include + +/** +* Receives JavaScript callback invocation data. +* +* @param env environment under which the function is invoked +* @param info callback data +* @return Node-API value +*/ +static napi_value addon( napi_env env, napi_callback_info info ) { + STDLIB_NAPI_ARGV( env, info, argv, argc, 5 ); + STDLIB_NAPI_ARGV_INT64( env, N, argv, 0 ); + STDLIB_NAPI_ARGV_INT64( env, strideX, argv, 2 ); + STDLIB_NAPI_ARGV_INT64( env, strideY, argv, 4 ); + STDLIB_NAPI_ARGV_STRIDED_FLOAT64ARRAY( env, X, N, strideX, argv, 1 ); + STDLIB_NAPI_ARGV_STRIDED_FLOAT64ARRAY( env, Y, N, strideY, argv, 3 ); + STDLIB_NAPI_CREATE_DOUBLE( env, API_SUFFIX(stdlib_strided_dchebyshev)( N, X, strideX, Y, strideY ), v ); + return v; +} + +/** +* Receives JavaScript callback invocation data. +* +* @param env environment under which the function is invoked +* @param info callback data +* @return Node-API value +*/ +static napi_value addon_method( napi_env env, napi_callback_info info ) { + STDLIB_NAPI_ARGV( env, info, argv, argc, 7 ); + STDLIB_NAPI_ARGV_INT64( env, N, argv, 0 ); + STDLIB_NAPI_ARGV_INT64( env, strideX, argv, 2 ); + STDLIB_NAPI_ARGV_INT64( env, offsetX, argv, 3 ); + STDLIB_NAPI_ARGV_INT64( env, strideY, argv, 5 ); + STDLIB_NAPI_ARGV_INT64( env, offsetY, argv, 6 ); + STDLIB_NAPI_ARGV_STRIDED_FLOAT64ARRAY( env, X, N, strideX, argv, 1 ); + STDLIB_NAPI_ARGV_STRIDED_FLOAT64ARRAY( env, Y, N, strideY, argv, 4 ); + STDLIB_NAPI_CREATE_DOUBLE( env, API_SUFFIX(stdlib_strided_dchebyshev_ndarray)( N, X, strideX, offsetX, Y, strideY, offsetY ), v ); + return v; +} + +STDLIB_NAPI_MODULE_EXPORT_FCN_WITH_METHOD( addon, "ndarray", addon_method ); diff --git a/lib/node_modules/@stdlib/stats/strided/distances/dchebyshev/src/main.c b/lib/node_modules/@stdlib/stats/strided/distances/dchebyshev/src/main.c new file mode 100644 index 000000000000..d50758d79dab --- /dev/null +++ b/lib/node_modules/@stdlib/stats/strided/distances/dchebyshev/src/main.c @@ -0,0 +1,77 @@ +/** +* @license Apache-2.0 +* +* Copyright (c) 2026 The Stdlib Authors. +* +* Licensed under the Apache License, Version 2.0 (the "License"); +* you may not use this file except in compliance with the License. +* You may obtain a copy of the License at +* +* http://www.apache.org/licenses/LICENSE-2.0 +* +* Unless required by applicable law or agreed to in writing, software +* distributed under the License is distributed on an "AS IS" BASIS, +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +* See the License for the specific language governing permissions and +* limitations under the License. +*/ + +#include "stdlib/stats/strided/distances/dchebyshev.h" +#include "stdlib/math/base/special/abs.h" +#include "stdlib/blas/base/shared.h" +#include "stdlib/strided/base/stride2offset.h" + +/** +* Computes the Chebyshev distance between two double-precision floating-point strided arrays. +* +* @param N number of indexed elements +* @param X first array +* @param strideX X stride length +* @param Y second array +* @param strideY Y stride length +* @return Chebyshev distance +*/ +double API_SUFFIX(stdlib_strided_dchebyshev)( const CBLAS_INT N, const double *X, const CBLAS_INT strideX, const double *Y, const CBLAS_INT strideY ) { + CBLAS_INT ox = stdlib_strided_stride2offset( N, strideX ); + CBLAS_INT oy = stdlib_strided_stride2offset( N, strideY ); + return API_SUFFIX(stdlib_strided_dchebyshev_ndarray)( N, X, strideX, ox, Y, strideY, oy ); +} + +/** +* Computes the Chebyshev distance between two double-precision floating-point strided arrays using alternative indexing semantics. +* +* @param N number of indexed elements +* @param X first array +* @param strideX X stride length +* @param offsetX starting index for X +* @param Y second array +* @param strideY Y stride length +* @param offsetY starting index for Y +* @return Chebyshev distance +*/ +double API_SUFFIX(stdlib_strided_dchebyshev_ndarray)( const CBLAS_INT N, const double *X, const CBLAS_INT strideX, const CBLAS_INT offsetX, const double *Y, const CBLAS_INT strideY, const CBLAS_INT offsetY ) { + CBLAS_INT ox; + CBLAS_INT oy; + CBLAS_INT i; + double max; + double d; + + if ( N <= 0 ) { + return 0.0 / 0.0; // NaN + } + ox = offsetX; + oy = offsetY; + + max = stdlib_base_abs( X[ ox ] - Y[ oy ] ); + ox += strideX; + oy += strideY; + for ( i = 1; i < N; i++ ) { + d = stdlib_base_abs( X[ ox ] - Y[ oy ] ); + if ( d > max ) { + max = d; + } + ox += strideX; + oy += strideY; + } + return max; +} diff --git a/lib/node_modules/@stdlib/stats/strided/distances/dchebyshev/test/test.dchebyshev.js b/lib/node_modules/@stdlib/stats/strided/distances/dchebyshev/test/test.dchebyshev.js new file mode 100644 index 000000000000..81668970c0bf --- /dev/null +++ b/lib/node_modules/@stdlib/stats/strided/distances/dchebyshev/test/test.dchebyshev.js @@ -0,0 +1,217 @@ +/** +* @license Apache-2.0 +* +* Copyright (c) 2026 The Stdlib Authors. +* +* Licensed under the Apache License, Version 2.0 (the "License"); +* you may not use this file except in compliance with the License. +* You may obtain a copy of the License at +* +* http://www.apache.org/licenses/LICENSE-2.0 +* +* Unless required by applicable law or agreed to in writing, software +* distributed under the License is distributed on an "AS IS" BASIS, +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +* See the License for the specific language governing permissions and +* limitations under the License. +*/ + +'use strict'; + +// MODULES // + +var tape = require( 'tape' ); +var Float64Array = require( '@stdlib/array/float64' ); +var isAlmostSameValue = require( '@stdlib/assert/is-almost-same-value' ); +var dchebyshev = require( './../lib/dchebyshev.js' ); + + +// TESTS // + +tape( 'main export is a function', function test( t ) { + t.ok( true, __filename ); + t.strictEqual( typeof dchebyshev, 'function', 'main export is a function' ); + t.end(); +}); + +tape( 'the function has an arity of 5', function test( t ) { + t.strictEqual( dchebyshev.length, 5, 'returns expected value' ); + t.end(); +}); + +tape( 'the function calculates the Chebyshev distance between two strided arrays', function test( t ) { + var d; + var x; + var y; + + x = new Float64Array( [ 4.0, 2.0, -3.0, 5.0, -1.0, 2.0, -5.0, 6.0 ] ); + y = new Float64Array( [ 2.0, 6.0, -1.0, -4.0, 8.0, 8.0, 2.0, -3.0 ] ); + + // Test against textbook formula: max(2,4,2,9,9,6,7,9) + d = dchebyshev( x.length, x, 1, y, 1 ); + t.strictEqual( isAlmostSameValue( d, 9.0, 0 ), true, 'returns expected value' ); + + x = new Float64Array( [ 3.0, -4.0, 1.0 ] ); + y = new Float64Array( [ 1.0, -2.0, 3.0 ] ); + + // Test against textbook formula: max(2,2,2) + d = dchebyshev( x.length, x, 1, y, 1 ); + t.strictEqual( isAlmostSameValue( d, 2.0, 0 ), true, 'returns expected value' ); + + t.end(); +}); + +tape( 'if provided an `N` parameter less than or equal to `0`, the function returns `NaN`', function test( t ) { + var d; + var x; + var y; + + x = new Float64Array( [ 3.0, -4.0, 1.0 ] ); + y = new Float64Array( [ 1.0, -2.0, 3.0 ] ); + + d = dchebyshev( 0, x, 1, y, 1 ); + t.strictEqual( isAlmostSameValue( d, NaN, 0 ), true, 'returns expected value' ); + + d = dchebyshev( -4, x, 1, y, 1 ); + t.strictEqual( isAlmostSameValue( d, NaN, 0 ), true, 'returns expected value' ); + t.end(); +}); + +tape( 'the function supports an `x` stride', function test( t ) { + var d; + var x; + var y; + + x = new Float64Array([ + 2.0, // 0 + -3.0, + -5.0, // 1 + 7.0, + 6.0 // 2 + ]); + y = new Float64Array([ + 8.0, // 0 + 2.0, // 1 + -3.0, // 2 + 3.0, + -4.0, + 1.0 + ]); + + // Test against textbook formula: max(6,7,9) + d = dchebyshev( 3, x, 2, y, 1 ); + t.strictEqual( isAlmostSameValue( d, 9.0, 0 ), true, 'returns expected value' ); + t.end(); +}); + +tape( 'the function supports a `y` stride', function test( t ) { + var d; + var x; + var y; + + x = new Float64Array([ + 2.0, // 0 + -3.0, // 1 + -5.0, // 2 + 7.0, + 6.0 + ]); + y = new Float64Array([ + 8.0, // 0 + 2.0, + -3.0, // 1 + 3.0, + -4.0, // 2 + 1.0 + ]); + + // Test against textbook formula: max(6,0,1) + d = dchebyshev( 3, x, 1, y, 2 ); + t.strictEqual( isAlmostSameValue( d, 6.0, 0 ), true, 'returns expected value' ); + t.end(); +}); + +tape( 'the function supports negative strides', function test( t ) { + var d; + var x; + var y; + + x = new Float64Array([ + 1.0, // 2 + 2.0, + 3.0, // 1 + 4.0, + 5.0 // 0 + ]); + y = new Float64Array([ + 6.0, // 2 + 7.0, // 1 + 8.0, // 0 + 9.0, + 10.0 + ]); + + // Test against textbook formula: max(3,4,5) + d = dchebyshev( 3, x, -2, y, -1 ); + t.strictEqual( isAlmostSameValue( d, 5.0, 0 ), true, 'returns expected value' ); + t.end(); +}); + +tape( 'the function supports complex access patterns', function test( t ) { + var d; + var x; + var y; + + x = new Float64Array([ + 1.0, // 0 + 2.0, + 3.0, // 1 + 4.0, + 5.0 // 2 + ]); + y = new Float64Array([ + 6.0, // 2 + 7.0, // 1 + 8.0, // 0 + 9.0, + 10.0 + ]); + + // Test against textbook formula: max(7,4,1) + d = dchebyshev( 3, x, 2, y, -1 ); + t.strictEqual( isAlmostSameValue( d, 7.0, 0 ), true, 'returns expected value' ); + t.end(); +}); + +tape( 'the function supports view offsets', function test( t ) { + var x0; + var y0; + var x1; + var y1; + var d; + + x0 = new Float64Array([ + 1.0, + 2.0, // 0 + 3.0, + 4.0, // 1 + 5.0, + 6.0 // 2 + ]); + y0 = new Float64Array([ + 6.0, + 7.0, + 8.0, + 9.0, // 0 + 10.0, // 1 + 11.0 // 2 + ]); + + x1 = new Float64Array( x0.buffer, x0.BYTES_PER_ELEMENT*1 ); + y1 = new Float64Array( y0.buffer, y0.BYTES_PER_ELEMENT*3 ); + + // Test against textbook formula: max(7,6,5) + d = dchebyshev( 3, x1, 2, y1, 1 ); + t.strictEqual( isAlmostSameValue( d, 7.0, 0 ), true, 'returns expected value' ); + t.end(); +}); diff --git a/lib/node_modules/@stdlib/stats/strided/distances/dchebyshev/test/test.dchebyshev.native.js b/lib/node_modules/@stdlib/stats/strided/distances/dchebyshev/test/test.dchebyshev.native.js new file mode 100644 index 000000000000..ca4f1af2ec5d --- /dev/null +++ b/lib/node_modules/@stdlib/stats/strided/distances/dchebyshev/test/test.dchebyshev.native.js @@ -0,0 +1,226 @@ +/** +* @license Apache-2.0 +* +* Copyright (c) 2026 The Stdlib Authors. +* +* Licensed under the Apache License, Version 2.0 (the "License"); +* you may not use this file except in compliance with the License. +* You may obtain a copy of the License at +* +* http://www.apache.org/licenses/LICENSE-2.0 +* +* Unless required by applicable law or agreed to in writing, software +* distributed under the License is distributed on an "AS IS" BASIS, +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +* See the License for the specific language governing permissions and +* limitations under the License. +*/ + +'use strict'; + +// MODULES // + +var resolve = require( 'path' ).resolve; +var tape = require( 'tape' ); +var Float64Array = require( '@stdlib/array/float64' ); +var isAlmostSameValue = require( '@stdlib/assert/is-almost-same-value' ); +var tryRequire = require( '@stdlib/utils/try-require' ); + + +// VARIABLES // + +var dchebyshev = tryRequire( resolve( __dirname, './../lib/dchebyshev.native.js' ) ); +var opts = { + 'skip': ( dchebyshev instanceof Error ) +}; + + +// TESTS // + +tape( 'main export is a function', opts, function test( t ) { + t.ok( true, __filename ); + t.strictEqual( typeof dchebyshev, 'function', 'main export is a function' ); + t.end(); +}); + +tape( 'the function has an arity of 5', opts, function test( t ) { + t.strictEqual( dchebyshev.length, 5, 'returns expected value' ); + t.end(); +}); + +tape( 'the function calculates the Chebyshev distance between two strided arrays', opts, function test( t ) { + var d; + var x; + var y; + + x = new Float64Array( [ 4.0, 2.0, -3.0, 5.0, -1.0, 2.0, -5.0, 6.0 ] ); + y = new Float64Array( [ 2.0, 6.0, -1.0, -4.0, 8.0, 8.0, 2.0, -3.0 ] ); + + // Test against textbook formula: max(2,4,2,9,9,6,7,9) + d = dchebyshev( x.length, x, 1, y, 1 ); + t.strictEqual( isAlmostSameValue( d, 9.0, 0 ), true, 'returns expected value' ); + + x = new Float64Array( [ 3.0, -4.0, 1.0 ] ); + y = new Float64Array( [ 1.0, -2.0, 3.0 ] ); + + // Test against textbook formula: max(2,2,2) + d = dchebyshev( x.length, x, 1, y, 1 ); + t.strictEqual( isAlmostSameValue( d, 2.0, 0 ), true, 'returns expected value' ); + + t.end(); +}); + +tape( 'if provided an `N` parameter less than or equal to `0`, the function returns `NaN`', opts, function test( t ) { + var d; + var x; + var y; + + x = new Float64Array( [ 3.0, -4.0, 1.0 ] ); + y = new Float64Array( [ 1.0, -2.0, 3.0 ] ); + + d = dchebyshev( 0, x, 1, y, 1 ); + t.strictEqual( isAlmostSameValue( d, NaN, 0 ), true, 'returns expected value' ); + + d = dchebyshev( -4, x, 1, y, 1 ); + t.strictEqual( isAlmostSameValue( d, NaN, 0 ), true, 'returns expected value' ); + t.end(); +}); + +tape( 'the function supports an `x` stride', opts, function test( t ) { + var d; + var x; + var y; + + x = new Float64Array([ + 2.0, // 0 + -3.0, + -5.0, // 1 + 7.0, + 6.0 // 2 + ]); + y = new Float64Array([ + 8.0, // 0 + 2.0, // 1 + -3.0, // 2 + 3.0, + -4.0, + 1.0 + ]); + + // Test against textbook formula: max(6,7,9) + d = dchebyshev( 3, x, 2, y, 1 ); + t.strictEqual( isAlmostSameValue( d, 9.0, 0 ), true, 'returns expected value' ); + t.end(); +}); + +tape( 'the function supports a `y` stride', opts, function test( t ) { + var d; + var x; + var y; + + x = new Float64Array([ + 2.0, // 0 + -3.0, // 1 + -5.0, // 2 + 7.0, + 6.0 + ]); + y = new Float64Array([ + 8.0, // 0 + 2.0, + -3.0, // 1 + 3.0, + -4.0, // 2 + 1.0 + ]); + + // Test against textbook formula: max(6,0,1) + d = dchebyshev( 3, x, 1, y, 2 ); + t.strictEqual( isAlmostSameValue( d, 6.0, 0 ), true, 'returns expected value' ); + t.end(); +}); + +tape( 'the function supports negative strides', opts, function test( t ) { + var d; + var x; + var y; + + x = new Float64Array([ + 1.0, // 2 + 2.0, + 3.0, // 1 + 4.0, + 5.0 // 0 + ]); + y = new Float64Array([ + 6.0, // 2 + 7.0, // 1 + 8.0, // 0 + 9.0, + 10.0 + ]); + + // Test against textbook formula: max(3,4,5) + d = dchebyshev( 3, x, -2, y, -1 ); + t.strictEqual( isAlmostSameValue( d, 5.0, 0 ), true, 'returns expected value' ); + t.end(); +}); + +tape( 'the function supports complex access patterns', opts, function test( t ) { + var d; + var x; + var y; + + x = new Float64Array([ + 1.0, // 0 + 2.0, + 3.0, // 1 + 4.0, + 5.0 // 2 + ]); + y = new Float64Array([ + 6.0, // 2 + 7.0, // 1 + 8.0, // 0 + 9.0, + 10.0 + ]); + + // Test against textbook formula: max(7,4,1) + d = dchebyshev( 3, x, 2, y, -1 ); + t.strictEqual( isAlmostSameValue( d, 7.0, 0 ), true, 'returns expected value' ); + t.end(); +}); + +tape( 'the function supports view offsets', opts, function test( t ) { + var x0; + var y0; + var x1; + var y1; + var d; + + x0 = new Float64Array([ + 1.0, + 2.0, // 0 + 3.0, + 4.0, // 1 + 5.0, + 6.0 // 2 + ]); + y0 = new Float64Array([ + 6.0, + 7.0, + 8.0, + 9.0, // 0 + 10.0, // 1 + 11.0 // 2 + ]); + + x1 = new Float64Array( x0.buffer, x0.BYTES_PER_ELEMENT*1 ); + y1 = new Float64Array( y0.buffer, y0.BYTES_PER_ELEMENT*3 ); + + // Test against textbook formula: max(7,6,5) + d = dchebyshev( 3, x1, 2, y1, 1 ); + t.strictEqual( isAlmostSameValue( d, 7.0, 0 ), true, 'returns expected value' ); + t.end(); +}); diff --git a/lib/node_modules/@stdlib/stats/strided/distances/dchebyshev/test/test.js b/lib/node_modules/@stdlib/stats/strided/distances/dchebyshev/test/test.js new file mode 100644 index 000000000000..f1774eb1dc58 --- /dev/null +++ b/lib/node_modules/@stdlib/stats/strided/distances/dchebyshev/test/test.js @@ -0,0 +1,82 @@ +/** +* @license Apache-2.0 +* +* Copyright (c) 2026 The Stdlib Authors. +* +* Licensed under the Apache License, Version 2.0 (the "License"); +* you may not use this file except in compliance with the License. +* You may obtain a copy of the License at +* +* http://www.apache.org/licenses/LICENSE-2.0 +* +* Unless required by applicable law or agreed to in writing, software +* distributed under the License is distributed on an "AS IS" BASIS, +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +* See the License for the specific language governing permissions and +* limitations under the License. +*/ + +'use strict'; + +// MODULES // + +var tape = require( 'tape' ); +var proxyquire = require( 'proxyquire' ); +var IS_BROWSER = require( '@stdlib/assert/is-browser' ); +var dchebyshev = require( './../lib' ); + + +// VARIABLES // + +var opts = { + 'skip': IS_BROWSER +}; + + +// TESTS // + +tape( 'main export is a function', function test( t ) { + t.ok( true, __filename ); + t.strictEqual( typeof dchebyshev, 'function', 'main export is a function' ); + t.end(); +}); + +tape( 'attached to the main export is a method providing an ndarray interface', function test( t ) { + t.strictEqual( typeof dchebyshev.ndarray, 'function', 'method is a function' ); + t.end(); +}); + +tape( 'if a native implementation is available, the main export is the native implementation', opts, function test( t ) { + var dchebyshev = proxyquire( './../lib', { + '@stdlib/utils/try-require': tryRequire + }); + + t.strictEqual( dchebyshev, mock, 'returns expected value' ); + t.end(); + + function tryRequire() { + return mock; + } + + function mock() { + // Mock... + } +}); + +tape( 'if a native implementation is not available, the main export is a JavaScript implementation', opts, function test( t ) { + var dchebyshev; + var main; + + main = require( './../lib/dchebyshev.js' ); + + dchebyshev = proxyquire( './../lib', { + '@stdlib/utils/try-require': tryRequire + }); + + t.strictEqual( dchebyshev, main, 'returns expected value' ); + t.end(); + + function tryRequire() { + return new Error( 'Cannot find module' ); + } +}); diff --git a/lib/node_modules/@stdlib/stats/strided/distances/dchebyshev/test/test.ndarray.js b/lib/node_modules/@stdlib/stats/strided/distances/dchebyshev/test/test.ndarray.js new file mode 100644 index 000000000000..3bd819777218 --- /dev/null +++ b/lib/node_modules/@stdlib/stats/strided/distances/dchebyshev/test/test.ndarray.js @@ -0,0 +1,240 @@ +/** +* @license Apache-2.0 +* +* Copyright (c) 2026 The Stdlib Authors. +* +* Licensed under the Apache License, Version 2.0 (the "License"); +* you may not use this file except in compliance with the License. +* You may obtain a copy of the License at +* +* http://www.apache.org/licenses/LICENSE-2.0 +* +* Unless required by applicable law or agreed to in writing, software +* distributed under the License is distributed on an "AS IS" BASIS, +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +* See the License for the specific language governing permissions and +* limitations under the License. +*/ + +'use strict'; + +// MODULES // + +var tape = require( 'tape' ); +var Float64Array = require( '@stdlib/array/float64' ); +var isAlmostSameValue = require( '@stdlib/assert/is-almost-same-value' ); +var dchebyshev = require( './../lib/ndarray.js' ); + + +// TESTS // + +tape( 'main export is a function', function test( t ) { + t.ok( true, __filename ); + t.strictEqual( typeof dchebyshev, 'function', 'main export is a function' ); + t.end(); +}); + +tape( 'the function has an arity of 7', function test( t ) { + t.strictEqual( dchebyshev.length, 7, 'returns expected value' ); + t.end(); +}); + +tape( 'the function calculates the Chebyshev distance between two strided arrays', function test( t ) { + var d; + var x; + var y; + + x = new Float64Array( [ 4.0, 2.0, -3.0, 5.0, -1.0, 2.0, -5.0, 6.0 ] ); + y = new Float64Array( [ 2.0, 6.0, -1.0, -4.0, 8.0, 8.0, 2.0, -3.0 ] ); + + // Test against textbook formula: max(2,4,2,9,9,6,7,9) + d = dchebyshev( x.length, x, 1, 0, y, 1, 0 ); + t.strictEqual( isAlmostSameValue( d, 9.0, 0 ), true, 'returns expected value' ); + + x = new Float64Array( [ 3.0, -4.0, 1.0 ] ); + y = new Float64Array( [ 1.0, -2.0, 3.0 ] ); + + // Test against textbook formula: max(2,2,2) + d = dchebyshev( x.length, x, 1, 0, y, 1, 0 ); + t.strictEqual( isAlmostSameValue( d, 2.0, 0 ), true, 'returns expected value' ); + + t.end(); +}); + +tape( 'if provided an `N` parameter less than or equal to `0`, the function returns `NaN`', function test( t ) { + var d; + var x; + var y; + + x = new Float64Array( [ 3.0, -4.0, 1.0 ] ); + y = new Float64Array( [ 1.0, -2.0, 3.0 ] ); + + d = dchebyshev( 0, x, 1, 0, y, 1, 0 ); + t.strictEqual( isAlmostSameValue( d, NaN, 0 ), true, 'returns expected value' ); + + d = dchebyshev( -4, x, 1, 0, y, 1, 0 ); + t.strictEqual( isAlmostSameValue( d, NaN, 0 ), true, 'returns expected value' ); + t.end(); +}); + +tape( 'the function supports an `x` stride', function test( t ) { + var d; + var x; + var y; + + x = new Float64Array([ + 2.0, // 0 + -3.0, + -5.0, // 1 + 7.0, + 6.0 // 2 + ]); + y = new Float64Array([ + 8.0, // 0 + 2.0, // 1 + -3.0, // 2 + 3.0, + -4.0, + 1.0 + ]); + + // Test against textbook formula: max(6,7,9) + d = dchebyshev( 3, x, 2, 0, y, 1, 0 ); + t.strictEqual( isAlmostSameValue( d, 9.0, 0 ), true, 'returns expected value' ); + t.end(); +}); + +tape( 'the function supports an `x` offset', function test( t ) { + var d; + var x; + var y; + + x = new Float64Array([ + 1.0, + 2.0, // 0 + 3.0, + 4.0, // 1 + 5.0, + 6.0 // 2 + ]); + y = new Float64Array([ + 6.0, // 0 + 7.0, // 1 + 8.0, // 2 + 9.0, + 10.0, + 11.0 + ]); + + // Test against textbook formula: max(4,3,2) + d = dchebyshev( 3, x, 2, 1, y, 1, 0 ); + t.strictEqual( isAlmostSameValue( d, 4.0, 0 ), true, 'returns expected value' + d ); + t.end(); +}); + +tape( 'the function supports a `y` stride', function test( t ) { + var d; + var x; + var y; + + x = new Float64Array([ + 2.0, // 0 + -3.0, // 1 + -5.0, // 2 + 7.0, + 6.0 + ]); + y = new Float64Array([ + 8.0, // 0 + 2.0, + -3.0, // 1 + 3.0, + -4.0, // 2 + 1.0 + ]); + + // Test against textbook formula: max(6,0,1) + d = dchebyshev( 3, x, 1, 0, y, 2, 0 ); + t.strictEqual( isAlmostSameValue( d, 6.0, 0 ), true, 'returns expected value' ); + t.end(); +}); + +tape( 'the function supports a `y` offset', function test( t ) { + var d; + var x; + var y; + + x = new Float64Array([ + 1.0, // 0 + 2.0, + 3.0, // 1 + 4.0, + 5.0, // 2 + 6.0 + ]); + y = new Float64Array([ + 6.0, + 7.0, + 8.0, + 9.0, // 0 + 10.0, // 1 + 11.0 // 2 + ]); + + // Test against textbook formula: max(8,7,6) + d = dchebyshev( 3, x, 2, 0, y, 1, 3 ); + t.strictEqual( isAlmostSameValue( d, 8.0, 0 ), true, 'returns expected value' ); + t.end(); +}); + +tape( 'the function supports negative strides', function test( t ) { + var d; + var x; + var y; + + x = new Float64Array([ + 1.0, // 2 + 2.0, + 3.0, // 1 + 4.0, + 5.0 // 0 + ]); + y = new Float64Array([ + 6.0, // 2 + 7.0, // 1 + 8.0, // 0 + 9.0, + 10.0 + ]); + + // Test against textbook formula: max(3,4,5) + d = dchebyshev( 3, x, -2, x.length-1, y, -1, 2 ); + t.strictEqual( isAlmostSameValue( d, 5.0, 0 ), true, 'returns expected value' ); + t.end(); +}); + +tape( 'the function supports complex access patterns', function test( t ) { + var d; + var x; + var y; + + x = new Float64Array([ + 1.0, // 0 + 2.0, + 3.0, // 1 + 4.0, + 5.0 // 2 + ]); + y = new Float64Array([ + 6.0, + 7.0, // 2 + 8.0, // 1 + 9.0, // 0 + 10.0 + ]); + + // Test against textbook formula: max(8,5,2) + d = dchebyshev( 3, x, 2, 0, y, -1, y.length-2 ); + t.strictEqual( isAlmostSameValue( d, 8.0, 0 ), true, 'returns expected value' ); + t.end(); +}); diff --git a/lib/node_modules/@stdlib/stats/strided/distances/dchebyshev/test/test.ndarray.native.js b/lib/node_modules/@stdlib/stats/strided/distances/dchebyshev/test/test.ndarray.native.js new file mode 100644 index 000000000000..c41ba00d91f5 --- /dev/null +++ b/lib/node_modules/@stdlib/stats/strided/distances/dchebyshev/test/test.ndarray.native.js @@ -0,0 +1,249 @@ +/** +* @license Apache-2.0 +* +* Copyright (c) 2026 The Stdlib Authors. +* +* Licensed under the Apache License, Version 2.0 (the "License"); +* you may not use this file except in compliance with the License. +* You may obtain a copy of the License at +* +* http://www.apache.org/licenses/LICENSE-2.0 +* +* Unless required by applicable law or agreed to in writing, software +* distributed under the License is distributed on an "AS IS" BASIS, +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +* See the License for the specific language governing permissions and +* limitations under the License. +*/ + +'use strict'; + +// MODULES // + +var resolve = require( 'path' ).resolve; +var tape = require( 'tape' ); +var Float64Array = require( '@stdlib/array/float64' ); +var isAlmostSameValue = require( '@stdlib/assert/is-almost-same-value' ); +var tryRequire = require( '@stdlib/utils/try-require' ); + + +// VARIABLES // + +var dchebyshev = tryRequire( resolve( __dirname, './../lib/ndarray.native.js' ) ); +var opts = { + 'skip': ( dchebyshev instanceof Error ) +}; + + +// TESTS // + +tape( 'main export is a function', opts, function test( t ) { + t.ok( true, __filename ); + t.strictEqual( typeof dchebyshev, 'function', 'main export is a function' ); + t.end(); +}); + +tape( 'the function has an arity of 7', opts, function test( t ) { + t.strictEqual( dchebyshev.length, 7, 'returns expected value' ); + t.end(); +}); + +tape( 'the function calculates the Chebyshev distance between two strided arrays', opts, function test( t ) { + var d; + var x; + var y; + + x = new Float64Array( [ 4.0, 2.0, -3.0, 5.0, -1.0, 2.0, -5.0, 6.0 ] ); + y = new Float64Array( [ 2.0, 6.0, -1.0, -4.0, 8.0, 8.0, 2.0, -3.0 ] ); + + // Test against textbook formula: max(2,4,2,9,9,6,7,9) + d = dchebyshev( x.length, x, 1, 0, y, 1, 0 ); + t.strictEqual( isAlmostSameValue( d, 9.0, 0 ), true, 'returns expected value' ); + + x = new Float64Array( [ 3.0, -4.0, 1.0 ] ); + y = new Float64Array( [ 1.0, -2.0, 3.0 ] ); + + // Test against textbook formula: max(2,2,2) + d = dchebyshev( x.length, x, 1, 0, y, 1, 0 ); + t.strictEqual( isAlmostSameValue( d, 2.0, 0 ), true, 'returns expected value' ); + + t.end(); +}); + +tape( 'if provided an `N` parameter less than or equal to `0`, the function returns `NaN`', opts, function test( t ) { + var d; + var x; + var y; + + x = new Float64Array( [ 3.0, -4.0, 1.0 ] ); + y = new Float64Array( [ 1.0, -2.0, 3.0 ] ); + + d = dchebyshev( 0, x, 1, 0, y, 1, 0 ); + t.strictEqual( isAlmostSameValue( d, NaN, 0 ), true, 'returns expected value' ); + + d = dchebyshev( -4, x, 1, 0, y, 1, 0 ); + t.strictEqual( isAlmostSameValue( d, NaN, 0 ), true, 'returns expected value' ); + t.end(); +}); + +tape( 'the function supports an `x` stride', opts, function test( t ) { + var d; + var x; + var y; + + x = new Float64Array([ + 2.0, // 0 + -3.0, + -5.0, // 1 + 7.0, + 6.0 // 2 + ]); + y = new Float64Array([ + 8.0, // 0 + 2.0, // 1 + -3.0, // 2 + 3.0, + -4.0, + 1.0 + ]); + + // Test against textbook formula: max(6,7,9) + d = dchebyshev( 3, x, 2, 0, y, 1, 0 ); + t.strictEqual( isAlmostSameValue( d, 9.0, 0 ), true, 'returns expected value' ); + t.end(); +}); + +tape( 'the function supports an `x` offset', opts, function test( t ) { + var d; + var x; + var y; + + x = new Float64Array([ + 1.0, + 2.0, // 0 + 3.0, + 4.0, // 1 + 5.0, + 6.0 // 2 + ]); + y = new Float64Array([ + 6.0, // 0 + 7.0, // 1 + 8.0, // 2 + 9.0, + 10.0, + 11.0 + ]); + + // Test against textbook formula: max(4,3,2) + d = dchebyshev( 3, x, 2, 1, y, 1, 0 ); + t.strictEqual( isAlmostSameValue( d, 4.0, 0 ), true, 'returns expected value' ); + t.end(); +}); + +tape( 'the function supports a `y` stride', opts, function test( t ) { + var d; + var x; + var y; + + x = new Float64Array([ + 2.0, // 0 + -3.0, // 1 + -5.0, // 2 + 7.0, + 6.0 + ]); + y = new Float64Array([ + 8.0, // 0 + 2.0, + -3.0, // 1 + 3.0, + -4.0, // 2 + 1.0 + ]); + + // Test against textbook formula: max(6,0,1) + d = dchebyshev( 3, x, 1, 0, y, 2, 0 ); + t.strictEqual( isAlmostSameValue( d, 6.0, 0 ), true, 'returns expected value' ); + t.end(); +}); + +tape( 'the function supports a `y` offset', opts, function test( t ) { + var d; + var x; + var y; + + x = new Float64Array([ + 1.0, // 0 + 2.0, + 3.0, // 1 + 4.0, + 5.0, // 2 + 6.0 + ]); + y = new Float64Array([ + 6.0, + 7.0, + 8.0, + 9.0, // 0 + 10.0, // 1 + 11.0 // 2 + ]); + + // Test against textbook formula: max(8,7,6) + d = dchebyshev( 3, x, 2, 0, y, 1, 3 ); + t.strictEqual( isAlmostSameValue( d, 8.0, 0 ), true, 'returns expected value' ); + t.end(); +}); + +tape( 'the function supports negative strides', opts, function test( t ) { + var d; + var x; + var y; + + x = new Float64Array([ + 1.0, // 2 + 2.0, + 3.0, // 1 + 4.0, + 5.0 // 0 + ]); + y = new Float64Array([ + 6.0, // 2 + 7.0, // 1 + 8.0, // 0 + 9.0, + 10.0 + ]); + + // Test against textbook formula: max(3,4,5) + d = dchebyshev( 3, x, -2, x.length-1, y, -1, 2 ); + t.strictEqual( isAlmostSameValue( d, 5.0, 0 ), true, 'returns expected value' ); + t.end(); +}); + +tape( 'the function supports complex access patterns', opts, function test( t ) { + var d; + var x; + var y; + + x = new Float64Array([ + 1.0, // 0 + 2.0, + 3.0, // 1 + 4.0, + 5.0 // 2 + ]); + y = new Float64Array([ + 6.0, + 7.0, // 2 + 8.0, // 1 + 9.0, // 0 + 10.0 + ]); + + // Test against textbook formula: max(8,5,2) + d = dchebyshev( 3, x, 2, 0, y, -1, y.length-2 ); + t.strictEqual( isAlmostSameValue( d, 8.0, 0 ), true, 'returns expected value' ); + t.end(); +}); From 9255ef0c32b5d57385f152346a8357ab0fc18ffd Mon Sep 17 00:00:00 2001 From: nakul-krishnakumar Date: Sun, 22 Feb 2026 14:10:07 +0530 Subject: [PATCH 2/3] remove: remove `dchebychev` from namespace This commit removes the `dchebychev` symbol from the `@stdlib/stats/strided/distances` namespace due to a package migration. BREAKING CHANGE: remove `dchebychev` To migrate, users should access the symbol `dchebyshev` via the `@stdlib/stats/strided/distances` namespace. --- .../strided/distances/docs/types/index.d.ts | 31 ------------------- .../stats/strided/distances/lib/index.js | 9 ------ 2 files changed, 40 deletions(-) diff --git a/lib/node_modules/@stdlib/stats/strided/distances/docs/types/index.d.ts b/lib/node_modules/@stdlib/stats/strided/distances/docs/types/index.d.ts index cc0dbb392eef..5c322c98975f 100644 --- a/lib/node_modules/@stdlib/stats/strided/distances/docs/types/index.d.ts +++ b/lib/node_modules/@stdlib/stats/strided/distances/docs/types/index.d.ts @@ -20,7 +20,6 @@ /* eslint-disable max-lines */ -import dchebychev = require( '@stdlib/stats/strided/distances/dchebychev' ); import dcityblock = require( '@stdlib/stats/strided/distances/dcityblock' ); import dcosineDistance = require( '@stdlib/stats/strided/distances/dcosine-distance' ); import dcosineSimilarity = require( '@stdlib/stats/strided/distances/dcosine-similarity' ); @@ -31,36 +30,6 @@ import dsquaredEuclidean = require( '@stdlib/stats/strided/distances/dsquared-eu * Interface describing the `distances` namespace. */ interface Namespace { - /** - * Computes the Chebychev distance between two double-precision floating-point strided arrays. - * - * @param N - number of indexed elements - * @param x - first input array - * @param strideX - `x` stride length - * @param y - second input array - * @param strideY - `y` stride length - * @returns Chebychev distance - * - * @example - * var Float64Array = require( '@stdlib/array/float64' ); - * - * var x = new Float64Array( [ 4.0, 2.0, -3.0, 5.0, -1.0 ] ); - * var y = new Float64Array( [ 2.0, 6.0, -1.0, -4.0, 8.0 ] ); - * - * var z = ns.dchebychev( x.length, x, 1, y, 1 ); - * // returns 9.0 - * - * @example - * var Float64Array = require( '@stdlib/array/float64' ); - * - * var x = new Float64Array( [ 4.0, 2.0, -3.0, 5.0, -1.0 ] ); - * var y = new Float64Array( [ 2.0, 6.0, -1.0, -4.0, 8.0 ] ); - * - * var z = ns.dchebychev.ndarray( x.length, x, 1, 0, y, 1, 0 ); - * // returns 9.0 - */ - dchebychev: typeof dchebychev; - /** * Computes the city block (Manhattan) distance between two double-precision floating-point strided arrays. * diff --git a/lib/node_modules/@stdlib/stats/strided/distances/lib/index.js b/lib/node_modules/@stdlib/stats/strided/distances/lib/index.js index 784c990cbdd0..e8a4aab718db 100644 --- a/lib/node_modules/@stdlib/stats/strided/distances/lib/index.js +++ b/lib/node_modules/@stdlib/stats/strided/distances/lib/index.js @@ -36,15 +36,6 @@ var setReadOnly = require( '@stdlib/utils/define-read-only-property' ); */ var ns = {}; -/** -* @name dchebychev -* @memberof ns -* @readonly -* @type {Function} -* @see {@link module:@stdlib/stats/strided/distances/dchebychev} -*/ -setReadOnly( ns, 'dchebychev', require( '@stdlib/stats/strided/distances/dchebychev' ) ); - /** * @name dcityblock * @memberof ns From e57f18807594ad660436456cdd60d4e665023288 Mon Sep 17 00:00:00 2001 From: nakul-krishnakumar Date: Sun, 22 Feb 2026 14:16:21 +0530 Subject: [PATCH 3/3] remove: remove `stats/strided/distances/dchebychev` This commit removes `@stdlib/stats/strided/distances/dchebychev` in favor of `@stdlib/stats/strided/distances/dchebyshev`. BREAKING CHANGE: remove `stats/strided/distances/dchebychev` To migrate, users should update their require/import paths to use `@stdlib/stats/strided/distances/dchebyshev` which provides the same API and implementation. --- .../strided/distances/dchebychev/README.md | 336 ------------------ .../dchebychev/benchmark/benchmark.js | 104 ------ .../dchebychev/benchmark/benchmark.native.js | 109 ------ .../dchebychev/benchmark/benchmark.ndarray.js | 104 ------ .../benchmark/benchmark.ndarray.native.js | 109 ------ .../distances/dchebychev/benchmark/c/Makefile | 146 -------- .../dchebychev/benchmark/c/benchmark.length.c | 205 ----------- .../strided/distances/dchebychev/binding.gyp | 265 -------------- .../distances/dchebychev/docs/repl.txt | 110 ------ .../dchebychev/docs/types/index.d.ts | 103 ------ .../distances/dchebychev/docs/types/test.ts | 248 ------------- .../distances/dchebychev/examples/c/Makefile | 146 -------- .../distances/dchebychev/examples/c/example.c | 45 --- .../distances/dchebychev/examples/index.js | 34 -- .../strided/distances/dchebychev/include.gypi | 70 ---- .../stats/strided/distances/dchebychev.h | 45 --- .../distances/dchebychev/lib/dchebychev.js | 57 --- .../dchebychev/lib/dchebychev.native.js | 54 --- .../strided/distances/dchebychev/lib/index.js | 70 ---- .../strided/distances/dchebychev/lib/main.js | 35 -- .../distances/dchebychev/lib/native.js | 35 -- .../distances/dchebychev/lib/ndarray.js | 79 ---- .../dchebychev/lib/ndarray.native.js | 56 --- .../distances/dchebychev/manifest.json | 103 ------ .../strided/distances/dchebychev/package.json | 74 ---- .../strided/distances/dchebychev/src/Makefile | 70 ---- .../strided/distances/dchebychev/src/addon.c | 66 ---- .../strided/distances/dchebychev/src/main.c | 77 ---- .../dchebychev/test/test.dchebychev.js | 217 ----------- .../dchebychev/test/test.dchebychev.native.js | 226 ------------ .../strided/distances/dchebychev/test/test.js | 82 ----- 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floating-point strided arrays. - -
- -The [Chebychev distance][wikipedia-chebychev-distance] (also known as the $L_∞$ metric ) is defined as - - - -```math -D(A,B)=\max _{i}(|a_{i}-b_{i}|) = \lim _{p\to \infty}{\bigg (}\sum_{i=0}^{N-1}\left|a_{i}-b_{i}\right|^{p}{\bigg )}^{1/p} -``` - - - -where `a_i` and `b_i` are the _ith_ components of vectors **A** and **B**, respectively. - -
- - - -
- -## Usage - -```javascript -var dchebychev = require( '@stdlib/stats/strided/distances/dchebychev' ); -``` - -#### dchebychev( N, x, strideX, y, strideY ) - -Computes the Chebychev distance between two double-precision floating-point strided arrays. - -```javascript -var Float64Array = require( '@stdlib/array/float64' ); - -var x = new Float64Array( [ 4.0, 2.0, -3.0, 5.0, -1.0 ] ); -var y = new Float64Array( [ 2.0, 6.0, -1.0, -4.0, 8.0 ] ); - -var z = dchebychev( x.length, x, 1, y, 1 ); -// returns 9.0 -``` - -The function has the following parameters: - -- **N**: number of indexed elements. -- **x**: input [`Float64Array`][@stdlib/array/float64]. -- **strideX**: stride length of `x`. -- **y**: input [`Float64Array`][@stdlib/array/float64]. -- **strideY**: stride length of `y`. - -The `N` and stride parameters determine which elements in the strided arrays are accessed at runtime. For example, to calculate the Chebychev distance between every other element in `x` and the first `N` elements of `y` in reverse order, - -```javascript -var Float64Array = require( '@stdlib/array/float64' ); - -var x = new Float64Array( [ 1.0, 2.0, 3.0, 4.0, 5.0, 6.0 ] ); -var y = new Float64Array( [ 1.0, 1.0, 1.0, 1.0, 1.0, 1.0 ] ); - -var z = dchebychev( 3, x, 2, y, -1 ); -// returns 4.0 -``` - -Note that indexing is relative to the first index. To introduce an offset, use [`typed array`][mdn-typed-array] views. - - - -```javascript -var Float64Array = require( '@stdlib/array/float64' ); - -// Initial arrays... -var x0 = new Float64Array( [ 1.0, 2.0, 3.0, 4.0, 5.0, 6.0 ] ); -var y0 = new Float64Array( [ 7.0, 8.0, 9.0, 10.0, 11.0, 12.0 ] ); - -// Create offset views... -var x1 = new Float64Array( x0.buffer, x0.BYTES_PER_ELEMENT*1 ); // start at 2nd element -var y1 = new Float64Array( y0.buffer, y0.BYTES_PER_ELEMENT*3 ); // start at 4th element - -var z = dchebychev( 3, x1, 1, y1, 1 ); -// returns 8.0 -``` - -#### dchebychev.ndarray( N, x, strideX, offsetX, y, strideY, offsetY ) - -Computes the Chebychev distance between two double-precision floating-point strided arrays using alternative indexing semantics. - -```javascript -var Float64Array = require( '@stdlib/array/float64' ); - -var x = new Float64Array( [ 4.0, 2.0, -3.0, 5.0, -1.0 ] ); -var y = new Float64Array( [ 2.0, 6.0, -1.0, -4.0, 8.0 ] ); - -var z = dchebychev.ndarray( x.length, x, 1, 0, y, 1, 0 ); -// returns 9.0 -``` - -The function has the following additional parameters: - -- **offsetX**: starting index for `x`. -- **offsetY**: starting index for `y`. - -While [`typed array`][mdn-typed-array] views mandate a view offset based on the underlying buffer, the offset parameters support indexing semantics based on starting indices. For example, to calculate the Chebychev distance between every other element in `x` starting from the second element with the last 3 elements in `y` in reverse order - -```javascript -var Float64Array = require( '@stdlib/array/float64' ); - -var x = new Float64Array( [ 1.0, 2.0, 3.0, 4.0, 5.0, 6.0 ] ); -var y = new Float64Array( [ 7.0, 8.0, 9.0, 10.0, 11.0, 12.0 ] ); - -var z = dchebychev.ndarray( 3, x, 2, 1, y, -1, y.length-1 ); -// returns 10.0 -``` - -
- - - -
- -## Notes - -- If `N <= 0`, both functions return `NaN`. - -
- - - -
- -## Examples - - - -```javascript -var discreteUniform = require( '@stdlib/random/array/discrete-uniform' ); -var dchebychev = require( '@stdlib/stats/strided/distances/dchebychev' ); - -var opts = { - 'dtype': 'float64' -}; -var x = discreteUniform( 10, 0, 100, opts ); -console.log( x ); - -var y = discreteUniform( x.length, 0, 10, opts ); -console.log( y ); - -var out = dchebychev.ndarray( x.length, x, 1, 0, y, -1, y.length-1 ); -console.log( out ); -``` - -
- - - - - -* * * - -
- -## C APIs - - - -
- -
- - - - - -
- -### Usage - -```c -#include "stdlib/stats/strided/distances/dchebychev.h" -``` - -#### stdlib_strided_dchebychev( N, \*X, strideX, \*Y, strideY ) - -Computes the Chebychev distance between two double-precision floating-point strided arrays. - -```c -const double x[] = { 4.0, 2.0, -3.0, 5.0, -1.0 }; -const double y[] = { 2.0, 6.0, -1.0, -4.0, 8.0 }; - -double v = stdlib_strided_dchebychev( 5, x, 1, y, 1 ); -// returns 9.0 -``` - -The function accepts the following arguments: - -- **N**: `[in] CBLAS_INT` number of indexed elements. -- **X**: `[in] double*` first input array. -- **strideX**: `[in] CBLAS_INT` stride length of `X`. -- **Y**: `[in] double*` second input array. -- **strideY**: `[in] CBLAS_INT` stride length of `Y`. - -```c -double stdlib_strided_dchebychev( const CBLAS_INT N, const double *X, const CBLAS_INT strideX, const double *Y, const CBLAS_INT strideY ); -``` - - - -#### stdlib_strided_dchebychev_ndarray( N, \*X, strideX, offsetX, \*Y, strideY, offsetY ) - - - -Computes the Chebychev distance between two double-precision floating-point strided arrays using alternative indexing semantics. - -```c -const double x[] = { 4.0, 2.0, -3.0, 5.0, -1.0 }; -const double y[] = { 2.0, 6.0, -1.0, -4.0, 8.0 }; - -double v = stdlib_strided_dchebychev_ndarray( 5, x, -1, 4, y, -1, 4 ); -// returns 9.0 -``` - -The function accepts the following arguments: - -- **N**: `[in] CBLAS_INT` number of indexed elements. -- **X**: `[in] double*` first input array. -- **strideX**: `[in] CBLAS_INT` stride length of `X`. -- **offsetX**: `[in] CBLAS_INT` starting index for `X`. -- **Y**: `[in] double*` second input array. -- **strideY**: `[in] CBLAS_INT` stride length of `Y`. -- **offsetY**: `[in] CBLAS_INT` starting index for `Y`. - -```c -double stdlib_strided_dchebychev_ndarray( const CBLAS_INT N, const double *X, const CBLAS_INT strideX, const CBLAS_INT offsetX, const double *Y, const CBLAS_INT strideY, const CBLAS_INT offsetY ); -``` - -
- - - - - -
- -
- - - - - -
- -### Examples - -```c -#include "stdlib/stats/strided/distances/dchebychev.h" -#include - -int main( void ) { - // Create strided arrays: - const double x[] = { 1.0, -2.0, 3.0, -4.0, 5.0, -6.0, 7.0, -8.0 }; - const double y[] = { 1.0, -2.0, 3.0, -4.0, 5.0, -6.0, 7.0, -8.0 }; - - // Specify the number of elements: - const int N = 8; - - // Specify strides: - const int strideX = 1; - const int strideY = -1; - - // Compute the Chebychev distance between `x` and `y`: - double d = stdlib_strided_dchebychev( N, x, strideX, y, strideY ); - - // Print the result: - printf( "Chebychev distance: %lf\n", d ); - - // Compute the Chebychev distance between `x` and `y` with offsets: - d = stdlib_strided_dchebychev_ndarray( N, x, strideX, 0, y, strideY, N-1 ); - - // Print the result: - printf( "Chebychev distance: %lf\n", d ); -} -``` - -
- - - -
- - - - - -
- -
- - - - - -
- -[@stdlib/array/float64]: https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/array/float64 - -[mdn-typed-array]: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/TypedArray - -[wikipedia-chebychev-distance]: https://en.wikipedia.org/wiki/Chebyshev_distance - - - - - -
- - diff --git a/lib/node_modules/@stdlib/stats/strided/distances/dchebychev/benchmark/benchmark.js b/lib/node_modules/@stdlib/stats/strided/distances/dchebychev/benchmark/benchmark.js deleted file mode 100644 index 508b6360781a..000000000000 --- a/lib/node_modules/@stdlib/stats/strided/distances/dchebychev/benchmark/benchmark.js +++ /dev/null @@ -1,104 +0,0 @@ -/** -* @license Apache-2.0 -* -* Copyright (c) 2026 The Stdlib Authors. -* -* Licensed under the Apache License, Version 2.0 (the "License"); -* you may not use this file except in compliance with the License. -* You may obtain a copy of the License at -* -* http://www.apache.org/licenses/LICENSE-2.0 -* -* Unless required by applicable law or agreed to in writing, software -* distributed under the License is distributed on an "AS IS" BASIS, -* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -* See the License for the specific language governing permissions and -* limitations under the License. -*/ - -'use strict'; - -// MODULES // - -var bench = require( '@stdlib/bench' ); -var uniform = require( '@stdlib/random/array/uniform' ); -var isnan = require( '@stdlib/math/base/assert/is-nan' ); -var pow = require( '@stdlib/math/base/special/pow' ); -var format = require( '@stdlib/string/format' ); -var pkg = require( './../package.json' ).name; -var dchebychev = require( './../lib/dchebychev.js' ); - - -// VARIABLES // - -var options = { - 'dtype': 'float64' -}; - - -// FUNCTIONS // - -/** -* Creates a benchmark function. -* -* @private -* @param {PositiveInteger} len - array length -* @returns {Function} benchmark function -*/ -function createBenchmark( len ) { - var x = uniform( len, -100.0, 100.0, options ); - var y = uniform( len, -100.0, 100.0, options ); - return benchmark; - - /** - * Benchmark function. - * - * @private - * @param {Benchmark} b - benchmark instance - */ - function benchmark( b ) { - var d; - var i; - - b.tic(); - for ( i = 0; i < b.iterations; i++ ) { - d = dchebychev( x.length, x, 1, y, 1 ); - if ( isnan( d ) ) { - b.fail( 'should not return NaN' ); - } - } - b.toc(); - if ( isnan( d ) ) { - b.fail( 'should not return NaN' ); - } - b.pass( 'benchmark finished' ); - b.end(); - } -} - - -// MAIN // - -/** -* Main execution sequence. -* -* @private -*/ -function main() { - var len; - var min; - var max; - var f; - var i; - - min = 1; // 10^min - max = 6; // 10^max - - for ( i = min; i <= max; i++ ) { - len = pow( 10, i ); - f = createBenchmark( len ); - bench( format( '%s:len=%d', pkg, len ), f ); - } -} - -main(); diff --git a/lib/node_modules/@stdlib/stats/strided/distances/dchebychev/benchmark/benchmark.native.js b/lib/node_modules/@stdlib/stats/strided/distances/dchebychev/benchmark/benchmark.native.js deleted file mode 100644 index a2cccc84bef3..000000000000 --- a/lib/node_modules/@stdlib/stats/strided/distances/dchebychev/benchmark/benchmark.native.js +++ /dev/null @@ -1,109 +0,0 @@ -/** -* @license Apache-2.0 -* -* Copyright (c) 2026 The Stdlib Authors. -* -* Licensed under the Apache License, Version 2.0 (the "License"); -* you may not use this file except in compliance with the License. -* You may obtain a copy of the License at -* -* http://www.apache.org/licenses/LICENSE-2.0 -* -* Unless required by applicable law or agreed to in writing, software -* distributed under the License is distributed on an "AS IS" BASIS, -* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -* See the License for the specific language governing permissions and -* limitations under the License. -*/ - -'use strict'; - -// MODULES // - -var resolve = require( 'path' ).resolve; -var bench = require( '@stdlib/bench' ); -var uniform = require( '@stdlib/random/array/uniform' ); -var isnan = require( '@stdlib/math/base/assert/is-nan' ); -var pow = require( '@stdlib/math/base/special/pow' ); -var tryRequire = require( '@stdlib/utils/try-require' ); -var format = require( '@stdlib/string/format' ); -var pkg = require( './../package.json' ).name; - - -// VARIABLES // - -var dchebychev = tryRequire( resolve( __dirname, './../lib/dchebychev.native.js' ) ); -var opts = { - 'skip': ( dchebychev instanceof Error ) -}; -var options = { - 'dtype': 'float64' -}; - - -// FUNCTIONS // - -/** -* Creates a benchmark function. -* -* @private -* @param {PositiveInteger} len - array length -* @returns {Function} benchmark function -*/ -function createBenchmark( len ) { - var x = uniform( len, -100.0, 100.0, options ); - var y = uniform( len, -100.0, 100.0, options ); - return benchmark; - - /** - * Benchmark function. - * - * @private - * @param {Benchmark} b - benchmark instance - */ - function benchmark( b ) { - var d; - var i; - - b.tic(); - for ( i = 0; i < b.iterations; i++ ) { - d = dchebychev( x.length, x, 1, y, 1 ); - if ( isnan( d ) ) { - b.fail( 'should not return NaN' ); - } - } - b.toc(); - if ( isnan( d ) ) { - b.fail( 'should not return NaN' ); - } - b.pass( 'benchmark finished' ); - b.end(); - } -} - - -// MAIN // - -/** -* Main execution sequence. -* -* @private -*/ -function main() { - var len; - var min; - var max; - var f; - var i; - - min = 1; // 10^min - max = 6; // 10^max - - for ( i = min; i <= max; i++ ) { - len = pow( 10, i ); - f = createBenchmark( len ); - bench( format( '%s::native:len=%d', pkg, len ), opts, f ); - } -} - -main(); diff --git a/lib/node_modules/@stdlib/stats/strided/distances/dchebychev/benchmark/benchmark.ndarray.js b/lib/node_modules/@stdlib/stats/strided/distances/dchebychev/benchmark/benchmark.ndarray.js deleted file mode 100644 index 4dc3d2609f48..000000000000 --- a/lib/node_modules/@stdlib/stats/strided/distances/dchebychev/benchmark/benchmark.ndarray.js +++ /dev/null @@ -1,104 +0,0 @@ -/** -* @license Apache-2.0 -* -* Copyright (c) 2026 The Stdlib Authors. -* -* Licensed under the Apache License, Version 2.0 (the "License"); -* you may not use this file except in compliance with the License. -* You may obtain a copy of the License at -* -* http://www.apache.org/licenses/LICENSE-2.0 -* -* Unless required by applicable law or agreed to in writing, software -* distributed under the License is distributed on an "AS IS" BASIS, -* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -* See the License for the specific language governing permissions and -* limitations under the License. -*/ - -'use strict'; - -// MODULES // - -var bench = require( '@stdlib/bench' ); -var uniform = require( '@stdlib/random/array/uniform' ); -var isnan = require( '@stdlib/math/base/assert/is-nan' ); -var pow = require( '@stdlib/math/base/special/pow' ); -var format = require( '@stdlib/string/format' ); -var pkg = require( './../package.json' ).name; -var dchebychev = require( './../lib/ndarray.js' ); - - -// VARIABLES // - -var options = { - 'dtype': 'float64' -}; - - -// FUNCTIONS // - -/** -* Creates a benchmark function. -* -* @private -* @param {PositiveInteger} len - array length -* @returns {Function} benchmark function -*/ -function createBenchmark( len ) { - var x = uniform( len, -100.0, 100.0, options ); - var y = uniform( len, -100.0, 100.0, options ); - return benchmark; - - /** - * Benchmark function. - * - * @private - * @param {Benchmark} b - benchmark instance - */ - function benchmark( b ) { - var d; - var i; - - b.tic(); - for ( i = 0; i < b.iterations; i++ ) { - d = dchebychev( x.length, x, 1, 0, y, 1, 0 ); - if ( isnan( d ) ) { - b.fail( 'should not return NaN' ); - } - } - b.toc(); - if ( isnan( d ) ) { - b.fail( 'should not return NaN' ); - } - b.pass( 'benchmark finished' ); - b.end(); - } -} - - -// MAIN // - -/** -* Main execution sequence. -* -* @private -*/ -function main() { - var len; - var min; - var max; - var f; - var i; - - min = 1; // 10^min - max = 6; // 10^max - - for ( i = min; i <= max; i++ ) { - len = pow( 10, i ); - f = createBenchmark( len ); - bench( format( '%s:ndarray:len=%d', pkg, len ), f ); - } -} - -main(); diff --git a/lib/node_modules/@stdlib/stats/strided/distances/dchebychev/benchmark/benchmark.ndarray.native.js b/lib/node_modules/@stdlib/stats/strided/distances/dchebychev/benchmark/benchmark.ndarray.native.js deleted file mode 100644 index d7dc415cc71d..000000000000 --- a/lib/node_modules/@stdlib/stats/strided/distances/dchebychev/benchmark/benchmark.ndarray.native.js +++ /dev/null @@ -1,109 +0,0 @@ -/** -* @license Apache-2.0 -* -* Copyright (c) 2026 The Stdlib Authors. -* -* Licensed under the Apache License, Version 2.0 (the "License"); -* you may not use this file except in compliance with the License. -* You may obtain a copy of the License at -* -* http://www.apache.org/licenses/LICENSE-2.0 -* -* Unless required by applicable law or agreed to in writing, software -* distributed under the License is distributed on an "AS IS" BASIS, -* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -* See the License for the specific language governing permissions and -* limitations under the License. -*/ - -'use strict'; - -// MODULES // - -var resolve = require( 'path' ).resolve; -var bench = require( '@stdlib/bench' ); -var uniform = require( '@stdlib/random/array/uniform' ); -var isnan = require( '@stdlib/math/base/assert/is-nan' ); -var pow = require( '@stdlib/math/base/special/pow' ); -var tryRequire = require( '@stdlib/utils/try-require' ); -var format = require( '@stdlib/string/format' ); -var pkg = require( './../package.json' ).name; - - -// VARIABLES // - -var dchebychev = tryRequire( resolve( __dirname, './../lib/ndarray.native.js' ) ); -var opts = { - 'skip': ( dchebychev instanceof Error ) -}; -var options = { - 'dtype': 'float64' -}; - - -// FUNCTIONS // - -/** -* Creates a benchmark function. -* -* @private -* @param {PositiveInteger} len - array length -* @returns {Function} benchmark function -*/ -function createBenchmark( len ) { - var x = uniform( len, -100.0, 100.0, options ); - var y = uniform( len, -100.0, 100.0, options ); - return benchmark; - - /** - * Benchmark function. - * - * @private - * @param {Benchmark} b - benchmark instance - */ - function benchmark( b ) { - var d; - var i; - - b.tic(); - for ( i = 0; i < b.iterations; i++ ) { - d = dchebychev( x.length, x, 1, 0, y, 1, 0 ); - if ( isnan( d ) ) { - b.fail( 'should not return NaN' ); - } - } - b.toc(); - if ( isnan( d ) ) { - b.fail( 'should not return NaN' ); - } - b.pass( 'benchmark finished' ); - b.end(); - } -} - - -// MAIN // - -/** -* Main execution sequence. -* -* @private -*/ -function main() { - var len; - var min; - var max; - var f; - var i; - - min = 1; // 10^min - max = 6; // 10^max - - for ( i = min; i <= max; i++ ) { - len = pow( 10, i ); - f = createBenchmark( len ); - bench( format( '%s::native:ndarray:len=%d', pkg, len ), opts, f ); - } -} - -main(); diff --git a/lib/node_modules/@stdlib/stats/strided/distances/dchebychev/benchmark/c/Makefile b/lib/node_modules/@stdlib/stats/strided/distances/dchebychev/benchmark/c/Makefile deleted file mode 100644 index 0756dc7da20a..000000000000 --- a/lib/node_modules/@stdlib/stats/strided/distances/dchebychev/benchmark/c/Makefile +++ /dev/null @@ -1,146 +0,0 @@ -#/ -# @license Apache-2.0 -# -# Copyright (c) 2026 The Stdlib Authors. -# -# Licensed under the Apache License, Version 2.0 (the "License"); -# you may not use this file except in compliance with the License. -# You may obtain a copy of the License at -# -# http://www.apache.org/licenses/LICENSE-2.0 -# -# Unless required by applicable law or agreed to in writing, software -# distributed under the License is distributed on an "AS IS" BASIS, -# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -# See the License for the specific language governing permissions and -# limitations under the License. -#/ - -# VARIABLES # - -ifndef VERBOSE - QUIET := @ -else - QUIET := -endif - -# Determine the OS ([1][1], [2][2]). -# -# [1]: https://en.wikipedia.org/wiki/Uname#Examples -# [2]: http://stackoverflow.com/a/27776822/2225624 -OS ?= $(shell uname) -ifneq (, $(findstring MINGW,$(OS))) - OS := WINNT -else -ifneq (, $(findstring MSYS,$(OS))) - OS := WINNT -else -ifneq (, $(findstring CYGWIN,$(OS))) - OS := WINNT -else -ifneq (, $(findstring Windows_NT,$(OS))) - OS := WINNT -endif -endif -endif -endif - -# Define the program used for compiling C source files: -ifdef C_COMPILER - CC := $(C_COMPILER) -else - CC := gcc -endif - -# Define the command-line options when compiling C files: -CFLAGS ?= \ - -std=c99 \ - -O3 \ - -Wall \ - -pedantic - -# Determine whether to generate position independent code ([1][1], [2][2]). -# -# [1]: https://gcc.gnu.org/onlinedocs/gcc/Code-Gen-Options.html#Code-Gen-Options -# [2]: http://stackoverflow.com/questions/5311515/gcc-fpic-option -ifeq ($(OS), WINNT) - fPIC ?= -else - fPIC ?= -fPIC -endif - -# List of includes (e.g., `-I /foo/bar -I /beep/boop/include`): -INCLUDE ?= - -# List of source files: -SOURCE_FILES ?= - -# List of libraries (e.g., `-lopenblas -lpthread`): -LIBRARIES ?= - -# List of library paths (e.g., `-L /foo/bar -L /beep/boop`): -LIBPATH ?= - -# List of C targets: -c_targets := benchmark.length.out - - -# RULES # - -#/ -# Compiles source files. -# -# @param {string} [C_COMPILER] - C compiler (e.g., `gcc`) -# @param {string} [CFLAGS] - C compiler options -# @param {(string|void)} [fPIC] - compiler flag determining whether to generate position independent code (e.g., `-fPIC`) -# @param {string} [INCLUDE] - list of includes (e.g., `-I /foo/bar -I /beep/boop/include`) -# @param {string} [SOURCE_FILES] - list of source files -# @param {string} [LIBPATH] - list of library paths (e.g., `-L /foo/bar -L /beep/boop`) -# @param {string} [LIBRARIES] - list of libraries (e.g., `-lopenblas -lpthread`) -# -# @example -# make -# -# @example -# make all -#/ -all: $(c_targets) - -.PHONY: all - -#/ -# Compiles C source files. -# -# @private -# @param {string} CC - C compiler (e.g., `gcc`) -# @param {string} CFLAGS - C compiler options -# @param {(string|void)} fPIC - compiler flag determining whether to generate position independent code (e.g., `-fPIC`) -# @param {string} INCLUDE - list of includes (e.g., `-I /foo/bar`) -# @param {string} SOURCE_FILES - list of source files -# @param {string} LIBPATH - list of library paths (e.g., `-L /foo/bar`) -# @param {string} LIBRARIES - list of libraries (e.g., `-lopenblas`) -#/ -$(c_targets): %.out: %.c - $(QUIET) $(CC) $(CFLAGS) $(fPIC) $(INCLUDE) -o $@ $(SOURCE_FILES) $< $(LIBPATH) -lm $(LIBRARIES) - -#/ -# Runs compiled benchmarks. -# -# @example -# make run -#/ -run: $(c_targets) - $(QUIET) ./$< - -.PHONY: run - -#/ -# Removes generated files. -# -# @example -# make clean -#/ -clean: - $(QUIET) -rm -f *.o *.out - -.PHONY: clean diff --git a/lib/node_modules/@stdlib/stats/strided/distances/dchebychev/benchmark/c/benchmark.length.c b/lib/node_modules/@stdlib/stats/strided/distances/dchebychev/benchmark/c/benchmark.length.c deleted file mode 100644 index ff3b9df9a973..000000000000 --- a/lib/node_modules/@stdlib/stats/strided/distances/dchebychev/benchmark/c/benchmark.length.c +++ /dev/null @@ -1,205 +0,0 @@ -/** -* @license Apache-2.0 -* -* Copyright (c) 2026 The Stdlib Authors. -* -* Licensed under the Apache License, Version 2.0 (the "License"); -* you may not use this file except in compliance with the License. -* You may obtain a copy of the License at -* -* http://www.apache.org/licenses/LICENSE-2.0 -* -* Unless required by applicable law or agreed to in writing, software -* distributed under the License is distributed on an "AS IS" BASIS, -* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -* See the License for the specific language governing permissions and -* limitations under the License. -*/ - -#include "stdlib/stats/strided/distances/dchebychev.h" -#include -#include -#include -#include -#include - -#define NAME "dchebychev" -#define ITERATIONS 10000000 -#define REPEATS 3 -#define MIN 1 -#define MAX 6 - -/** -* Prints the TAP version. -*/ -static void print_version( void ) { - printf( "TAP version 13\n" ); -} - -/** -* Prints the TAP summary. -* -* @param total total number of tests -* @param passing total number of passing tests -*/ -static void print_summary( int total, int passing ) { - printf( "#\n" ); - printf( "1..%d\n", total ); // TAP plan - printf( "# total %d\n", total ); - printf( "# pass %d\n", passing ); - printf( "#\n" ); - printf( "# ok\n" ); -} - -/** -* Prints benchmarks results. -* -* @param iterations number of iterations -* @param elapsed elapsed time in seconds -*/ -static void print_results( int iterations, double elapsed ) { - double rate = (double)iterations / elapsed; - printf( " ---\n" ); - printf( " iterations: %d\n", iterations ); - printf( " elapsed: %0.9f\n", elapsed ); - printf( " rate: %0.9f\n", rate ); - printf( " ...\n" ); -} - -/** -* Returns a clock time. -* -* @return clock time -*/ -static double tic( void ) { - struct timeval now; - gettimeofday( &now, NULL ); - return (double)now.tv_sec + (double)now.tv_usec/1.0e6; -} - -/** -* Generates a random number on the interval [min,max). -* -* @param min minimum value (inclusive) -* @param max maximum value (exclusive) -* @return random number -*/ -static double random_uniform( const double min, const double max ) { - double v = (double)rand() / ( (double)RAND_MAX + 1.0 ); - return min + ( v*(max-min) ); -} - -/** -* Runs a benchmark. -* -* @param iterations number of iterations -* @param len array length -* @return elapsed time in seconds -*/ -static double benchmark1( int iterations, int len ) { - double elapsed; - double *x; - double *y; - double z; - double t; - int i; - - x = (double *) malloc( len * sizeof( double ) ); - y = (double *) malloc( len * sizeof( double ) ); - for ( i = 0; i < len; i++ ) { - x[ i ] = random_uniform( -10000.0, 10000.0 ); - y[ i ] = random_uniform( -10000.0, 10000.0 ); - } - z = 0.0; - t = tic(); - for ( i = 0; i < iterations; i++ ) { - z = stdlib_strided_dchebychev( len, x, 1, y, 1 ); - if ( z != z ) { - printf( "should not return NaN\n" ); - break; - } - } - elapsed = tic() - t; - if ( z != z ) { - printf( "should not return NaN\n" ); - } - free( x ); - free( y ); - return elapsed; -} - -/** -* Runs a benchmark. -* -* @param iterations number of iterations -* @param len array length -* @return elapsed time in seconds -*/ -static double benchmark2( int iterations, int len ) { - double elapsed; - double *x; - double *y; - double z; - double t; - int i; - - x = (double *) malloc( len * sizeof( double ) ); - y = (double *) malloc( len * sizeof( double ) ); - for ( i = 0; i < len; i++ ) { - x[ i ] = random_uniform( -10000.0, 10000.0 ); - y[ i ] = random_uniform( -10000.0, 10000.0 ); - } - z = 0.0; - t = tic(); - for ( i = 0; i < iterations; i++ ) { - z = stdlib_strided_dchebychev_ndarray( len, x, 1, 0, y, 1, 0 ); - if ( z != z ) { - printf( "should not return NaN\n" ); - break; - } - } - elapsed = tic() - t; - if ( z != z ) { - printf( "should not return NaN\n" ); - } - free( x ); - free( y ); - return elapsed; -} - -/** -* Main execution sequence. -*/ -int main( void ) { - double elapsed; - int count; - int iter; - int len; - int i; - int j; - - // Use the current time to seed the random number generator: - srand( time( NULL ) ); - - print_version(); - count = 0; - for ( i = MIN; i <= MAX; i++ ) { - len = pow( 10, i ); - iter = ITERATIONS / pow( 10, i-1 ); - for ( j = 0; j < REPEATS; j++ ) { - count += 1; - printf( "# c::%s:len=%d\n", NAME, len ); - elapsed = benchmark1( iter, len ); - print_results( iter, elapsed ); - printf( "ok %d benchmark finished\n", count ); - } - for ( j = 0; j < REPEATS; j++ ) { - count += 1; - printf( "# c::%s:ndarray:len=%d\n", NAME, len ); - elapsed = benchmark2( iter, len ); - print_results( iter, elapsed ); - printf( "ok %d benchmark finished\n", count ); - } - } - print_summary( count, count ); -} diff --git a/lib/node_modules/@stdlib/stats/strided/distances/dchebychev/binding.gyp b/lib/node_modules/@stdlib/stats/strided/distances/dchebychev/binding.gyp deleted file mode 100644 index 60dce9d0b31a..000000000000 --- a/lib/node_modules/@stdlib/stats/strided/distances/dchebychev/binding.gyp +++ /dev/null @@ -1,265 +0,0 @@ -# @license Apache-2.0 -# -# Copyright (c) 2026 The Stdlib Authors. -# -# Licensed under the Apache License, Version 2.0 (the "License"); -# you may not use this file except in compliance with the License. -# You may obtain a copy of the License at -# -# http://www.apache.org/licenses/LICENSE-2.0 -# -# Unless required by applicable law or agreed to in writing, software -# distributed under the License is distributed on an "AS IS" BASIS, -# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -# See the License for the specific language governing permissions and -# limitations under the License. - -# A `.gyp` file for building a Node.js native add-on. -# -# [1]: https://gyp.gsrc.io/docs/InputFormatReference.md -# [2]: https://gyp.gsrc.io/docs/UserDocumentation.md -{ - # List of files to include in this file: - 'includes': [ - './include.gypi', - ], - - # Define variables to be used throughout the configuration for all targets: - 'variables': { - # Target name should match the add-on export name: - 'addon_target_name%': 'addon', - - # Fortran compiler (to override -Dfortran_compiler=): - 'fortran_compiler%': 'gfortran', - - # Fortran compiler flags: - 'fflags': [ - # Specify the Fortran standard to which a program is expected to conform: - '-std=f95', - - # Indicate that the layout is free-form source code: - '-ffree-form', - - # Aggressive optimization: - '-O3', - - # Enable commonly used warning options: - '-Wall', - - # Warn if source code contains problematic language features: - '-Wextra', - - # Warn if a procedure is called without an explicit interface: - '-Wimplicit-interface', - - # Do not transform names of entities specified in Fortran source files by appending underscores (i.e., don't mangle names, thus allowing easier usage in C wrappers): - '-fno-underscoring', - - # Warn if source code contains Fortran 95 extensions and C-language constructs: - '-pedantic', - - # Compile but do not link (output is an object file): - '-c', - ], - - # Set variables based on the host OS: - 'conditions': [ - [ - 'OS=="win"', - { - # Define the object file suffix: - 'obj': 'obj', - }, - { - # Define the object file suffix: - 'obj': 'o', - } - ], # end condition (OS=="win") - ], # end conditions - }, # end variables - - # Define compile targets: - 'targets': [ - - # Target to generate an add-on: - { - # The target name should match the add-on export name: - 'target_name': '<(addon_target_name)', - - # Define dependencies: - 'dependencies': [], - - # Define directories which contain relevant include headers: - 'include_dirs': [ - # Local include directory: - '<@(include_dirs)', - ], - - # List of source files: - 'sources': [ - '<@(src_files)', - ], - - # Settings which should be applied when a target's object files are used as linker input: - 'link_settings': { - # Define libraries: - 'libraries': [ - '<@(libraries)', - ], - - # Define library directories: - 'library_dirs': [ - '<@(library_dirs)', - ], - }, - - # C/C++ compiler flags: - 'cflags': [ - # Enable commonly used warning options: - '-Wall', - - # Aggressive optimization: - '-O3', - ], - - # C specific compiler flags: - 'cflags_c': [ - # Specify the C standard to which a program is expected to conform: - '-std=c99', - ], - - # C++ specific compiler flags: - 'cflags_cpp': [ - # Specify the C++ standard to which a program is expected to conform: - '-std=c++11', - ], - - # Linker flags: - 'ldflags': [], - - # Apply conditions based on the host OS: - 'conditions': [ - [ - 'OS=="mac"', - { - # Linker flags: - 'ldflags': [ - '-undefined dynamic_lookup', - '-Wl,-no-pie', - '-Wl,-search_paths_first', - ], - }, - ], # end condition (OS=="mac") - [ - 'OS!="win"', - { - # C/C++ flags: - 'cflags': [ - # Generate platform-independent code: - '-fPIC', - ], - }, - ], # end condition (OS!="win") - ], # end conditions - - # Define custom build actions for particular inputs: - 'rules': [ - { - # Define a rule for processing Fortran files: - 'extension': 'f', - - # Define the pathnames to be used as inputs when performing processing: - 'inputs': [ - # Full path of the current input: - '<(RULE_INPUT_PATH)' - ], - - # Define the outputs produced during processing: - 'outputs': [ - # Store an output object file in a directory for placing intermediate results (only accessible within a single target): - '<(INTERMEDIATE_DIR)/<(RULE_INPUT_ROOT).<(obj)' - ], - - # Define the rule for compiling Fortran based on the host OS: - 'conditions': [ - [ - 'OS=="win"', - - # Rule to compile Fortran on Windows: - { - 'rule_name': 'compile_fortran_windows', - 'message': 'Compiling Fortran file <(RULE_INPUT_PATH) on Windows...', - - 'process_outputs_as_sources': 0, - - # Define the command-line invocation: - 'action': [ - '<(fortran_compiler)', - '<@(fflags)', - '<@(_inputs)', - '-o', - '<@(_outputs)', - ], - }, - - # Rule to compile Fortran on non-Windows: - { - 'rule_name': 'compile_fortran_linux', - 'message': 'Compiling Fortran file <(RULE_INPUT_PATH) on Linux...', - - 'process_outputs_as_sources': 1, - - # Define the command-line invocation: - 'action': [ - '<(fortran_compiler)', - '<@(fflags)', - '-fPIC', # generate platform-independent code - '<@(_inputs)', - '-o', - '<@(_outputs)', - ], - } - ], # end condition (OS=="win") - ], # end conditions - }, # end rule (extension=="f") - ], # end rules - }, # end target <(addon_target_name) - - # Target to copy a generated add-on to a standard location: - { - 'target_name': 'copy_addon', - - # Declare that the output of this target is not linked: - 'type': 'none', - - # Define dependencies: - 'dependencies': [ - # Require that the add-on be generated before building this target: - '<(addon_target_name)', - ], - - # Define a list of actions: - 'actions': [ - { - 'action_name': 'copy_addon', - 'message': 'Copying addon...', - - # Explicitly list the inputs in the command-line invocation below: - 'inputs': [], - - # Declare the expected outputs: - 'outputs': [ - '<(addon_output_dir)/<(addon_target_name).node', - ], - - # Define the command-line invocation: - 'action': [ - 'cp', - '<(PRODUCT_DIR)/<(addon_target_name).node', - '<(addon_output_dir)/<(addon_target_name).node', - ], - }, - ], # end actions - }, # end target copy_addon - ], # end targets -} diff --git a/lib/node_modules/@stdlib/stats/strided/distances/dchebychev/docs/repl.txt b/lib/node_modules/@stdlib/stats/strided/distances/dchebychev/docs/repl.txt deleted file mode 100644 index 5d830f94c96a..000000000000 --- a/lib/node_modules/@stdlib/stats/strided/distances/dchebychev/docs/repl.txt +++ /dev/null @@ -1,110 +0,0 @@ - -{{alias}}( N, x, strideX, y, strideY ) - Computes the Chebychev distance between two double-precision floating-point - strided arrays. - - The `N` and stride parameters determine which elements in the strided arrays - are accessed at runtime. - - Indexing is relative to the first index. To introduce an offset, use a typed - array view. - - If `N <= 0`, the function returns `NaN`. - - Parameters - ---------- - N: integer - Number of indexed elements. - - x: Float64Array - First input array. - - strideX: integer - Stride length for `x`. - - y: Float64Array - Second input array. - - strideY: integer - Stride length for `y`. - - Returns - ------- - out: number - Chebychev distance. - - Examples - -------- - // Standard usage: - > var x = new {{alias:@stdlib/array/float64}}( [ 4.0, 2.0, -3.0, 5.0, -1.0 ] ); - > var y = new {{alias:@stdlib/array/float64}}( [ 2.0, 6.0, -1.0, -4.0, 8.0 ] ); - > var out = {{alias}}( x.length, x, 1, y, 1 ) - 9.0 - - // Using N and stride parameters: - > x = new {{alias:@stdlib/array/float64}}( [ 1.0, 2.0, 3.0, 4.0, 5.0, 6.0 ] ); - > y = new {{alias:@stdlib/array/float64}}( [ 1.0, 1.0, 1.0, 0.0, 0.0, 0.0 ] ); - > out = {{alias}}( 3, x, 1, y, -1 ) - 2.0 - - // Using view offsets: - > x = new {{alias:@stdlib/array/float64}}( [ 1.0, 2.0, 3.0, 4.0, 5.0, 6.0 ] ); - > y = new {{alias:@stdlib/array/float64}}( [ 7.0, 8.0, 9.0, 10.0, 11.0, 12.0 ] ); - > var x1 = new {{alias:@stdlib/array/float64}}( x.buffer, x.BYTES_PER_ELEMENT*1 ); - > var y1 = new {{alias:@stdlib/array/float64}}( y.buffer, y.BYTES_PER_ELEMENT*3 ); - > out = {{alias}}( 3, x1, 1, y1, 1 ) - 8.0 - - -{{alias}}.ndarray( N, x, strideX, offsetX, y, strideY, offsetY ) - Computes the Chebychev distance between two double-precision floating-point - strided arrays using alternative indexing semantics. - - While typed array views mandate a view offset based on the underlying - buffer, offset parameters support indexing semantics based on starting - indices. - - Parameters - ---------- - N: integer - Number of indexed elements. - - x: Float64Array - First input array. - - strideX: integer - Stride length for `x`. - - offsetX: integer - Starting index for `x`. - - y: Float64Array - Second input array. - - strideY: integer - Stride length for `y`. - - offsetY: integer - Starting index for `y`. - - Returns - ------- - out: number - Chebychev distance. - - Examples - -------- - // Standard usage: - > var x = new {{alias:@stdlib/array/float64}}( [ 4.0, 2.0, -3.0, 5.0, -1.0 ] ); - > var y = new {{alias:@stdlib/array/float64}}( [ 2.0, 6.0, -1.0, -4.0, 8.0 ] ); - > var out = {{alias}}.ndarray( x.length, x, 1, 0, y, 1, 0 ) - 9.0 - - // Using starting indices: - > x = new {{alias:@stdlib/array/float64}}( [ 1.0, 2.0, 3.0, 4.0, 5.0, 6.0 ] ); - > y = new {{alias:@stdlib/array/float64}}( [ 7.0, 8.0, 9.0, 10.0, 11.0, 12.0 ] ); - > out = {{alias}}.ndarray( 3, x, 1, 1, y, 1, 3 ) - 8.0 - - See Also - -------- diff --git a/lib/node_modules/@stdlib/stats/strided/distances/dchebychev/docs/types/index.d.ts b/lib/node_modules/@stdlib/stats/strided/distances/dchebychev/docs/types/index.d.ts deleted file mode 100644 index 4bac5a0a3e6c..000000000000 --- a/lib/node_modules/@stdlib/stats/strided/distances/dchebychev/docs/types/index.d.ts +++ /dev/null @@ -1,103 +0,0 @@ -/* -* @license Apache-2.0 -* -* Copyright (c) 2026 The Stdlib Authors. -* -* Licensed under the Apache License, Version 2.0 (the "License"); -* you may not use this file except in compliance with the License. -* You may obtain a copy of the License at -* -* http://www.apache.org/licenses/LICENSE-2.0 -* -* Unless required by applicable law or agreed to in writing, software -* distributed under the License is distributed on an "AS IS" BASIS, -* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -* See the License for the specific language governing permissions and -* limitations under the License. -*/ - -// TypeScript Version: 4.1 - -/** -* Interface describing `dchebychev`. -*/ -interface Routine { - /** - * Computes the Chebychev distance between two double-precision floating-point strided arrays. - * - * @param N - number of indexed elements - * @param x - first input array - * @param strideX - `x` stride length - * @param y - second input array - * @param strideY - `y` stride length - * @returns Chebychev distance - * - * @example - * var Float64Array = require( '@stdlib/array/float64' ); - * - * var x = new Float64Array( [ 4.0, 2.0, -3.0, 5.0, -1.0 ] ); - * var y = new Float64Array( [ 2.0, 6.0, -1.0, -4.0, 8.0 ] ); - * - * var z = dchebychev( x.length, x, 1, y, 1 ); - * // returns 9.0 - */ - ( N: number, x: Float64Array, strideX: number, y: Float64Array, strideY: number ): number; - - /** - * Computes the Chebychev distance between two double-precision floating-point strided arrays using alternative indexing semantics. - * - * @param N - number of indexed elements - * @param x - first input array - * @param strideX - `x` stride length - * @param offsetX - starting index for `x` - * @param y - second input array - * @param strideY - `y` stride length - * @param offsetY - starting index for `y` - * @returns Chebychev distance - * - * @example - * var Float64Array = require( '@stdlib/array/float64' ); - * - * var x = new Float64Array( [ 4.0, 2.0, -3.0, 5.0, -1.0 ] ); - * var y = new Float64Array( [ 2.0, 6.0, -1.0, -4.0, 8.0 ] ); - * - * var z = dchebychev.ndarray( x.length, x, 1, 0, y, 1, 0 ); - * // returns 9.0 - */ - ndarray( N: number, x: Float64Array, strideX: number, offsetX: number, y: Float64Array, strideY: number, offsetY: number ): number; -} - -/** -* Computes the Chebychev distance between two double-precision floating-point strided arrays. -* -* @param N - number of indexed elements -* @param x - first input array -* @param strideX - `x` stride length -* @param y - second input array -* @param strideY - `y` stride length -* @returns Chebychev distance -* -* @example -* var Float64Array = require( '@stdlib/array/float64' ); -* -* var x = new Float64Array( [ 4.0, 2.0, -3.0, 5.0, -1.0 ] ); -* var y = new Float64Array( [ 2.0, 6.0, -1.0, -4.0, 8.0 ] ); -* -* var z = dchebychev( x.length, x, 1, y, 1 ); -* // returns 9.0 -* -* @example -* var Float64Array = require( '@stdlib/array/float64' ); -* -* var x = new Float64Array( [ 4.0, 2.0, -3.0, 5.0, -1.0 ] ); -* var y = new Float64Array( [ 2.0, 6.0, -1.0, -4.0, 8.0 ] ); -* -* var z = dchebychev.ndarray( x.length, x, 1, 0, y, 1, 0 ); -* // returns 9.0 -*/ -declare var dchebychev: Routine; - - -// EXPORTS // - -export = dchebychev; diff --git a/lib/node_modules/@stdlib/stats/strided/distances/dchebychev/docs/types/test.ts b/lib/node_modules/@stdlib/stats/strided/distances/dchebychev/docs/types/test.ts deleted file mode 100644 index af9b55d683a3..000000000000 --- a/lib/node_modules/@stdlib/stats/strided/distances/dchebychev/docs/types/test.ts +++ /dev/null @@ -1,248 +0,0 @@ -/* -* @license Apache-2.0 -* -* Copyright (c) 2026 The Stdlib Authors. -* -* Licensed under the Apache License, Version 2.0 (the "License"); -* you may not use this file except in compliance with the License. -* You may obtain a copy of the License at -* -* http://www.apache.org/licenses/LICENSE-2.0 -* -* Unless required by applicable law or agreed to in writing, software -* distributed under the License is distributed on an "AS IS" BASIS, -* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -* See the License for the specific language governing permissions and -* limitations under the License. -*/ - -import dchebychev = require( './index' ); - - -// TESTS // - -// The function returns a number... -{ - const x = new Float64Array( 10 ); - const y = new Float64Array( 10 ); - - dchebychev( x.length, x, 1, y, 1 ); // $ExpectType number -} - -// The compiler throws an error if the function is provided a first argument which is not a number... -{ - const x = new Float64Array( 10 ); - const y = new Float64Array( 10 ); - - dchebychev( '10', x, 1, y, 1 ); // $ExpectError - dchebychev( true, x, 1, y, 1 ); // $ExpectError - dchebychev( false, x, 1, y, 1 ); // $ExpectError - dchebychev( null, x, 1, y, 1 ); // $ExpectError - dchebychev( undefined, x, 1, y, 1 ); // $ExpectError - dchebychev( [], x, 1, y, 1 ); // $ExpectError - dchebychev( {}, x, 1, y, 1 ); // $ExpectError - dchebychev( ( x: number ): number => x, x, 1, y, 1 ); // $ExpectError -} - -// The compiler throws an error if the function is provided a second argument which is not a Float64Array... -{ - const x = new Float64Array( 10 ); - const y = new Float64Array( 10 ); - - dchebychev( x.length, 10, 1, y, 1 ); // $ExpectError - dchebychev( x.length, '10', 1, y, 1 ); // $ExpectError - dchebychev( x.length, true, 1, y, 1 ); // $ExpectError - dchebychev( x.length, false, 1, y, 1 ); // $ExpectError - dchebychev( x.length, null, 1, y, 1 ); // $ExpectError - dchebychev( x.length, undefined, 1, y, 1 ); // $ExpectError - dchebychev( x.length, [], 1, y, 1 ); // $ExpectError - dchebychev( x.length, {}, 1, y, 1 ); // $ExpectError - dchebychev( x.length, ( x: number ): number => x, 1, y, 1 ); // $ExpectError -} - -// The compiler throws an error if the function is provided a third argument which is not a number... -{ - const x = new Float64Array( 10 ); - const y = new Float64Array( 10 ); - - dchebychev( x.length, x, '10', y, 1 ); // $ExpectError - dchebychev( x.length, x, true, y, 1 ); // $ExpectError - dchebychev( x.length, x, false, y, 1 ); // $ExpectError - dchebychev( x.length, x, null, y, 1 ); // $ExpectError - dchebychev( x.length, x, undefined, y, 1 ); // $ExpectError - dchebychev( x.length, x, [], y, 1 ); // $ExpectError - dchebychev( x.length, x, {}, y, 1 ); // $ExpectError - dchebychev( x.length, x, ( x: number ): number => x, y, 1 ); // $ExpectError -} - -// The compiler throws an error if the function is provided a fourth argument which is not a Float64Array... -{ - const x = new Float64Array( 10 ); - - dchebychev( x.length, x, 1, 10, 1 ); // $ExpectError - dchebychev( x.length, x, 1, '10', 1 ); // $ExpectError - dchebychev( x.length, x, 1, true, 1 ); // $ExpectError - dchebychev( x.length, x, 1, false, 1 ); // $ExpectError - dchebychev( x.length, x, 1, null, 1 ); // $ExpectError - dchebychev( x.length, x, 1, undefined, 1 ); // $ExpectError - dchebychev( x.length, x, 1, [], 1 ); // $ExpectError - dchebychev( x.length, x, 1, {}, 1 ); // $ExpectError - dchebychev( x.length, x, 1, ( x: number ): number => x, 1 ); // $ExpectError -} - -// The compiler throws an error if the function is provided a fifth argument which is not a number... -{ - const x = new Float64Array( 10 ); - const y = new Float64Array( 10 ); - - dchebychev( x.length, x, 1, y, '10' ); // $ExpectError - dchebychev( x.length, x, 1, y, true ); // $ExpectError - dchebychev( x.length, x, 1, y, false ); // $ExpectError - dchebychev( x.length, x, 1, y, null ); // $ExpectError - dchebychev( x.length, x, 1, y, undefined ); // $ExpectError - dchebychev( x.length, x, 1, y, [] ); // $ExpectError - dchebychev( x.length, x, 1, y, {} ); // $ExpectError - dchebychev( x.length, x, 1, y, ( x: number ): number => x ); // $ExpectError -} - -// The compiler throws an error if the function is provided an unsupported number of arguments... -{ - const x = new Float64Array( 10 ); - const y = new Float64Array( 10 ); - - dchebychev(); // $ExpectError - dchebychev( x.length ); // $ExpectError - dchebychev( x.length, x ); // $ExpectError - dchebychev( x.length, x, 1 ); // $ExpectError - dchebychev( x.length, x, 1, y ); // $ExpectError - dchebychev( x.length, x, 1, y, 1, 10 ); // $ExpectError -} - -// Attached to main export is an `ndarray` method which returns a number... -{ - const x = new Float64Array( 10 ); - const y = new Float64Array( 10 ); - - dchebychev.ndarray( x.length, x, 1, 0, y, 1, 0 ); // $ExpectType number -} - -// The compiler throws an error if the `ndarray` method is provided a first argument which is not a number... -{ - const x = new Float64Array( 10 ); - const y = new Float64Array( 10 ); - - dchebychev.ndarray( '10', x, 1, 0, y, 1, 0 ); // $ExpectError - dchebychev.ndarray( true, x, 1, 0, y, 1, 0 ); // $ExpectError - dchebychev.ndarray( false, x, 1, 0, y, 1, 0 ); // $ExpectError - dchebychev.ndarray( null, x, 1, 0, y, 1, 0 ); // $ExpectError - dchebychev.ndarray( undefined, x, 1, 0, y, 1, 0 ); // $ExpectError - dchebychev.ndarray( [], x, 1, 0, y, 1, 0 ); // $ExpectError - dchebychev.ndarray( {}, x, 1, 0, y, 1, 0 ); // $ExpectError - dchebychev.ndarray( ( x: number ): number => x, x, 1, 0, y, 1, 0 ); // $ExpectError -} - -// The compiler throws an error if the `ndarray` method is provided a second argument which is not a Float64Array... -{ - const x = new Float64Array( 10 ); - const y = new Float64Array( 10 ); - - dchebychev.ndarray( x.length, 10, 1, 0, y, 1, 0 ); // $ExpectError - dchebychev.ndarray( x.length, '10', 1, 0, y, 1, 0 ); // $ExpectError - dchebychev.ndarray( x.length, true, 1, 0, y, 1, 0 ); // $ExpectError - dchebychev.ndarray( x.length, false, 1, 0, y, 1, 0 ); // $ExpectError - dchebychev.ndarray( x.length, null, 1, 0, y, 1, 0 ); // $ExpectError - dchebychev.ndarray( x.length, undefined, 1, 0, y, 1, 0 ); // $ExpectError - dchebychev.ndarray( x.length, [], 1, 0, y, 1, 0 ); // $ExpectError - dchebychev.ndarray( x.length, {}, 1, 0, y, 1, 0 ); // $ExpectError - dchebychev.ndarray( x.length, ( x: number ): number => x, 1, 0, y, 1, 0 ); // $ExpectError -} - -// The compiler throws an error if the `ndarray` method is provided a third argument which is not a number... -{ - const x = new Float64Array( 10 ); - const y = new Float64Array( 10 ); - - dchebychev.ndarray( x.length, x, '10', 0, y, 1, 0 ); // $ExpectError - dchebychev.ndarray( x.length, x, true, 0, y, 1, 0 ); // $ExpectError - dchebychev.ndarray( x.length, x, false, 0, y, 1, 0 ); // $ExpectError - dchebychev.ndarray( x.length, x, null, 0, y, 1, 0 ); // $ExpectError - dchebychev.ndarray( x.length, x, undefined, 0, y, 1, 0 ); // $ExpectError - dchebychev.ndarray( x.length, x, [], 0, y, 1, 0 ); // $ExpectError - dchebychev.ndarray( x.length, x, {}, 0, y, 1, 0 ); // $ExpectError - dchebychev.ndarray( x.length, x, ( x: number ): number => x, 0, y, 1, 0 ); // $ExpectError -} - -// The compiler throws an error if the `ndarray` method is provided a fourth argument which is not a number... -{ - const x = new Float64Array( 10 ); - const y = new Float64Array( 10 ); - - dchebychev.ndarray( x.length, x, 1, '10', y, 1, 0 ); // $ExpectError - dchebychev.ndarray( x.length, x, 1, true, y, 1, 0 ); // $ExpectError - dchebychev.ndarray( x.length, x, 1, false, y, 1, 0 ); // $ExpectError - dchebychev.ndarray( x.length, x, 1, null, y, 1, 0 ); // $ExpectError - dchebychev.ndarray( x.length, x, 1, undefined, y, 1, 0 ); // $ExpectError - dchebychev.ndarray( x.length, x, 1, [], y, 1, 0 ); // $ExpectError - dchebychev.ndarray( x.length, x, 1, {}, y, 1, 0 ); // $ExpectError - dchebychev.ndarray( x.length, x, 1, ( x: number ): number => x, y, 1, 0 ); // $ExpectError -} - -// The compiler throws an error if the `ndarray` method is provided a fifth argument which is not a Float64Array... -{ - const x = new Float64Array( 10 ); - - dchebychev.ndarray( x.length, x, 1, 0, 10, 1, 0 ); // $ExpectError - dchebychev.ndarray( x.length, x, 1, 0, '10', 1, 0 ); // $ExpectError - dchebychev.ndarray( x.length, x, 1, 0, true, 1, 0 ); // $ExpectError - dchebychev.ndarray( x.length, x, 1, 0, false, 1, 0 ); // $ExpectError - dchebychev.ndarray( x.length, x, 1, 0, null, 1, 0 ); // $ExpectError - dchebychev.ndarray( x.length, x, 1, 0, undefined, 1, 0 ); // $ExpectError - dchebychev.ndarray( x.length, x, 1, 0, [], 1, 0 ); // $ExpectError - dchebychev.ndarray( x.length, x, 1, 0, {}, 1, 0 ); // $ExpectError - dchebychev.ndarray( x.length, x, 1, 0, ( x: number ): number => x, 1, 0 ); // $ExpectError -} - -// The compiler throws an error if the `ndarray` method is provided a sixth argument which is not a number... -{ - const x = new Float64Array( 10 ); - const y = new Float64Array( 10 ); - - dchebychev.ndarray( x.length, x, 1, 0, y, '10', 0 ); // $ExpectError - dchebychev.ndarray( x.length, x, 1, 0, y, true, 0 ); // $ExpectError - dchebychev.ndarray( x.length, x, 1, 0, y, false, 0 ); // $ExpectError - dchebychev.ndarray( x.length, x, 1, 0, y, null, 0 ); // $ExpectError - dchebychev.ndarray( x.length, x, 1, 0, y, undefined, 0 ); // $ExpectError - dchebychev.ndarray( x.length, x, 1, 0, y, [], 0 ); // $ExpectError - dchebychev.ndarray( x.length, x, 1, 0, y, {}, 0 ); // $ExpectError - dchebychev.ndarray( x.length, x, 1, 0, y, ( x: number ): number => x, 0 ); // $ExpectError -} - -// The compiler throws an error if the `ndarray` method is provided a seventh argument which is not a number... -{ - const x = new Float64Array( 10 ); - const y = new Float64Array( 10 ); - - dchebychev.ndarray( x.length, x, 1, 0, y, 1, '10' ); // $ExpectError - dchebychev.ndarray( x.length, x, 1, 0, y, 1, true ); // $ExpectError - dchebychev.ndarray( x.length, x, 1, 0, y, 1, false ); // $ExpectError - dchebychev.ndarray( x.length, x, 1, 0, y, 1, null ); // $ExpectError - dchebychev.ndarray( x.length, x, 1, 0, y, 1, undefined ); // $ExpectError - dchebychev.ndarray( x.length, x, 1, 0, y, 1, [] ); // $ExpectError - dchebychev.ndarray( x.length, x, 1, 0, y, 1, {} ); // $ExpectError - dchebychev.ndarray( x.length, x, 1, 0, y, 1, ( x: number ): number => x ); // $ExpectError -} - -// The compiler throws an error if the `ndarray` method is provided an unsupported number of arguments... -{ - const x = new Float64Array( 10 ); - const y = new Float64Array( 10 ); - - dchebychev.ndarray(); // $ExpectError - dchebychev.ndarray( x.length ); // $ExpectError - dchebychev.ndarray( x.length, x ); // $ExpectError - dchebychev.ndarray( x.length, x, 1 ); // $ExpectError - dchebychev.ndarray( x.length, x, 1, 0 ); // $ExpectError - dchebychev.ndarray( x.length, x, 1, 0, y ); // $ExpectError - dchebychev.ndarray( x.length, x, 1, 0, y, 1 ); // $ExpectError - dchebychev.ndarray( x.length, x, 1, 0, y, 1, 0, 10 ); // $ExpectError -} diff --git a/lib/node_modules/@stdlib/stats/strided/distances/dchebychev/examples/c/Makefile b/lib/node_modules/@stdlib/stats/strided/distances/dchebychev/examples/c/Makefile deleted file mode 100644 index c8f8e9a1517b..000000000000 --- a/lib/node_modules/@stdlib/stats/strided/distances/dchebychev/examples/c/Makefile +++ /dev/null @@ -1,146 +0,0 @@ -#/ -# @license Apache-2.0 -# -# Copyright (c) 2026 The Stdlib Authors. -# -# Licensed under the Apache License, Version 2.0 (the "License"); -# you may not use this file except in compliance with the License. -# You may obtain a copy of the License at -# -# http://www.apache.org/licenses/LICENSE-2.0 -# -# Unless required by applicable law or agreed to in writing, software -# distributed under the License is distributed on an "AS IS" BASIS, -# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -# See the License for the specific language governing permissions and -# limitations under the License. -#/ - -# VARIABLES # - -ifndef VERBOSE - QUIET := @ -else - QUIET := -endif - -# Determine the OS ([1][1], [2][2]). -# -# [1]: https://en.wikipedia.org/wiki/Uname#Examples -# [2]: http://stackoverflow.com/a/27776822/2225624 -OS ?= $(shell uname) -ifneq (, $(findstring MINGW,$(OS))) - OS := WINNT -else -ifneq (, $(findstring MSYS,$(OS))) - OS := WINNT -else -ifneq (, $(findstring CYGWIN,$(OS))) - OS := WINNT -else -ifneq (, $(findstring Windows_NT,$(OS))) - OS := WINNT -endif -endif -endif -endif - -# Define the program used for compiling C source files: -ifdef C_COMPILER - CC := $(C_COMPILER) -else - CC := gcc -endif - -# Define the command-line options when compiling C files: -CFLAGS ?= \ - -std=c99 \ - -O3 \ - -Wall \ - -pedantic - -# Determine whether to generate position independent code ([1][1], [2][2]). -# -# [1]: https://gcc.gnu.org/onlinedocs/gcc/Code-Gen-Options.html#Code-Gen-Options -# [2]: http://stackoverflow.com/questions/5311515/gcc-fpic-option -ifeq ($(OS), WINNT) - fPIC ?= -else - fPIC ?= -fPIC -endif - -# List of includes (e.g., `-I /foo/bar -I /beep/boop/include`): -INCLUDE ?= - -# List of source files: -SOURCE_FILES ?= - -# List of libraries (e.g., `-lopenblas -lpthread`): -LIBRARIES ?= - -# List of library paths (e.g., `-L /foo/bar -L /beep/boop`): -LIBPATH ?= - -# List of C targets: -c_targets := example.out - - -# RULES # - -#/ -# Compiles source files. -# -# @param {string} [C_COMPILER] - C compiler (e.g., `gcc`) -# @param {string} [CFLAGS] - C compiler options -# @param {(string|void)} [fPIC] - compiler flag determining whether to generate position independent code (e.g., `-fPIC`) -# @param {string} [INCLUDE] - list of includes (e.g., `-I /foo/bar -I /beep/boop/include`) -# @param {string} [SOURCE_FILES] - list of source files -# @param {string} [LIBPATH] - list of library paths (e.g., `-L /foo/bar -L /beep/boop`) -# @param {string} [LIBRARIES] - list of libraries (e.g., `-lopenblas -lpthread`) -# -# @example -# make -# -# @example -# make all -#/ -all: $(c_targets) - -.PHONY: all - -#/ -# Compiles C source files. -# -# @private -# @param {string} CC - C compiler (e.g., `gcc`) -# @param {string} CFLAGS - C compiler options -# @param {(string|void)} fPIC - compiler flag determining whether to generate position independent code (e.g., `-fPIC`) -# @param {string} INCLUDE - list of includes (e.g., `-I /foo/bar`) -# @param {string} SOURCE_FILES - list of source files -# @param {string} LIBPATH - list of library paths (e.g., `-L /foo/bar`) -# @param {string} LIBRARIES - list of libraries (e.g., `-lopenblas`) -#/ -$(c_targets): %.out: %.c - $(QUIET) $(CC) $(CFLAGS) $(fPIC) $(INCLUDE) -o $@ $(SOURCE_FILES) $< $(LIBPATH) -lm $(LIBRARIES) - -#/ -# Runs compiled examples. -# -# @example -# make run -#/ -run: $(c_targets) - $(QUIET) ./$< - -.PHONY: run - -#/ -# Removes generated files. -# -# @example -# make clean -#/ -clean: - $(QUIET) -rm -f *.o *.out - -.PHONY: clean diff --git a/lib/node_modules/@stdlib/stats/strided/distances/dchebychev/examples/c/example.c b/lib/node_modules/@stdlib/stats/strided/distances/dchebychev/examples/c/example.c deleted file mode 100644 index 6aca6e7819fa..000000000000 --- a/lib/node_modules/@stdlib/stats/strided/distances/dchebychev/examples/c/example.c +++ /dev/null @@ -1,45 +0,0 @@ -/** -* @license Apache-2.0 -* -* Copyright (c) 2026 The Stdlib Authors. -* -* Licensed under the Apache License, Version 2.0 (the "License"); -* you may not use this file except in compliance with the License. -* You may obtain a copy of the License at -* -* http://www.apache.org/licenses/LICENSE-2.0 -* -* Unless required by applicable law or agreed to in writing, software -* distributed under the License is distributed on an "AS IS" BASIS, -* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -* See the License for the specific language governing permissions and -* limitations under the License. -*/ - -#include "stdlib/stats/strided/distances/dchebychev.h" -#include - -int main( void ) { - // Create strided arrays: - const double x[] = { 1.0, -2.0, 3.0, -4.0, 5.0, -6.0, 7.0, -8.0 }; - const double y[] = { 1.0, -2.0, 3.0, -4.0, 5.0, -6.0, 7.0, -8.0 }; - - // Specify the number of elements: - const int N = 8; - - // Specify strides: - const int strideX = 1; - const int strideY = -1; - - // Compute the Chebychev distance between `x` and `y`: - double d = stdlib_strided_dchebychev( N, x, strideX, y, strideY ); - - // Print the result: - printf( "Chebychev distance: %lf\n", d ); - - // Compute the Chebychev distance between `x` and `y` with offsets: - d = stdlib_strided_dchebychev_ndarray( N, x, strideX, 0, y, strideY, N-1 ); - - // Print the result: - printf( "Chebychev distance: %lf\n", d ); -} diff --git a/lib/node_modules/@stdlib/stats/strided/distances/dchebychev/examples/index.js b/lib/node_modules/@stdlib/stats/strided/distances/dchebychev/examples/index.js deleted file mode 100644 index f3fe8b767c99..000000000000 --- a/lib/node_modules/@stdlib/stats/strided/distances/dchebychev/examples/index.js +++ /dev/null @@ -1,34 +0,0 @@ -/** -* @license Apache-2.0 -* -* Copyright (c) 2026 The Stdlib Authors. -* -* Licensed under the Apache License, Version 2.0 (the "License"); -* you may not use this file except in compliance with the License. -* You may obtain a copy of the License at -* -* http://www.apache.org/licenses/LICENSE-2.0 -* -* Unless required by applicable law or agreed to in writing, software -* distributed under the License is distributed on an "AS IS" BASIS, -* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -* See the License for the specific language governing permissions and -* limitations under the License. -*/ - -'use strict'; - -var discreteUniform = require( '@stdlib/random/array/discrete-uniform' ); -var dchebychev = require( './../lib' ); - -var opts = { - 'dtype': 'float64' -}; -var x = discreteUniform( 10, 0, 100, opts ); -console.log( x ); - -var y = discreteUniform( x.length, 0, 10, opts ); -console.log( y ); - -var out = dchebychev.ndarray( x.length, x, 1, 0, y, -1, y.length-1 ); -console.log( out ); diff --git a/lib/node_modules/@stdlib/stats/strided/distances/dchebychev/include.gypi b/lib/node_modules/@stdlib/stats/strided/distances/dchebychev/include.gypi deleted file mode 100644 index dcb556d250e8..000000000000 --- a/lib/node_modules/@stdlib/stats/strided/distances/dchebychev/include.gypi +++ /dev/null @@ -1,70 +0,0 @@ -# @license Apache-2.0 -# -# Copyright (c) 2026 The Stdlib Authors. -# -# Licensed under the Apache License, Version 2.0 (the "License"); -# you may not use this file except in compliance with the License. -# You may obtain a copy of the License at -# -# http://www.apache.org/licenses/LICENSE-2.0 -# -# Unless required by applicable law or agreed to in writing, software -# distributed under the License is distributed on an "AS IS" BASIS, -# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -# See the License for the specific language governing permissions and -# limitations under the License. - -# A GYP include file for building a Node.js native add-on. -# -# Note that nesting variables is required due to how GYP processes a configuration. Any variables defined within a nested 'variables' section is defined in the outer scope. Thus, conditions in the outer variable scope are free to use these variables without running into "variable undefined" errors. -# -# Main documentation: -# -# [1]: https://gyp.gsrc.io/docs/InputFormatReference.md -# [2]: https://gyp.gsrc.io/docs/UserDocumentation.md -# -# Variable nesting hacks: -# -# [3]: https://chromium.googlesource.com/external/skia/gyp/+/master/common_variables.gypi -# [4]: https://src.chromium.org/viewvc/chrome/trunk/src/build/common.gypi?revision=127004 -{ - # Define variables to be used throughout the configuration for all targets: - 'variables': { - 'variables': { - # Host BLAS library (to override -Dblas=): - 'blas%': '', - - # Path to BLAS library (to override -Dblas_dir=): - 'blas_dir%': '', - }, # end variables - - # Source directory: - 'src_dir': './src', - - # Include directories: - 'include_dirs': [ - '<@(blas_dir)', - ' max ) { - max = d; - } - ox += strideX; - oy += strideY; - } - return max; -} - - -// EXPORTS // - -module.exports = dchebychev; diff --git a/lib/node_modules/@stdlib/stats/strided/distances/dchebychev/lib/ndarray.native.js b/lib/node_modules/@stdlib/stats/strided/distances/dchebychev/lib/ndarray.native.js deleted file mode 100644 index d83492e4ce93..000000000000 --- a/lib/node_modules/@stdlib/stats/strided/distances/dchebychev/lib/ndarray.native.js +++ /dev/null @@ -1,56 +0,0 @@ -/** -* @license Apache-2.0 -* -* Copyright (c) 2026 The Stdlib Authors. -* -* Licensed under the Apache License, Version 2.0 (the "License"); -* you may not use this file except in compliance with the License. -* You may obtain a copy of the License at -* -* http://www.apache.org/licenses/LICENSE-2.0 -* -* Unless required by applicable law or agreed to in writing, software -* distributed under the License is distributed on an "AS IS" BASIS, -* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -* See the License for the specific language governing permissions and -* limitations under the License. -*/ - -'use strict'; - -// MODULES // - -var addon = require( './../src/addon.node' ); - - -// MAIN // - -/** -* Computes the Chebychev distance between two double-precision floating-point strided arrays using alternative indexing semantics. -* -* @param {NonNegativeInteger} N - number of indexed elements -* @param {Float64Array} x - first input array -* @param {integer} strideX - stride length of `x` -* @param {NonNegativeInteger} offsetX - starting index for `x` -* @param {Float64Array} y - second input array -* @param {integer} strideY - stride length of `y` -* @param {NonNegativeInteger} offsetY - starting index for `y` -* @returns {number} Chebychev distance -* -* @example -* var Float64Array = require( '@stdlib/array/float64' ); -* -* var x = new Float64Array( [ 4.0, 2.0, -3.0, 5.0, -1.0 ] ); -* var y = new Float64Array( [ 2.0, 6.0, -1.0, -4.0, 8.0 ] ); -* -* var z = dchebychev( x.length, x, 1, 0, y, 1, 0 ); -* // returns 9.0 -*/ -function dchebychev( N, x, strideX, offsetX, y, strideY, offsetY ) { - return addon.ndarray( N, x, strideX, offsetX, y, strideY, offsetY ); -} - - -// EXPORTS // - -module.exports = dchebychev; diff --git a/lib/node_modules/@stdlib/stats/strided/distances/dchebychev/manifest.json b/lib/node_modules/@stdlib/stats/strided/distances/dchebychev/manifest.json deleted file mode 100644 index 5b47bd2dc6d3..000000000000 --- a/lib/node_modules/@stdlib/stats/strided/distances/dchebychev/manifest.json +++ /dev/null @@ -1,103 +0,0 @@ -{ - "options": { - "task": "build", - "wasm": false - }, - "fields": [ - { - "field": "src", - "resolve": true, - "relative": true - }, - { - "field": "include", - "resolve": true, - "relative": true - }, - { - "field": "libraries", - "resolve": false, - "relative": false - }, - { - "field": "libpath", - "resolve": true, - "relative": false - } - ], - "confs": [ - { - "task": "build", - "wasm": false, - "src": [ - "./src/main.c" - ], - "include": [ - "./include" - ], - "libraries": [], - "libpath": [], - "dependencies": [ - "@stdlib/blas/base/shared", - "@stdlib/strided/base/stride2offset", - "@stdlib/math/base/special/abs", - "@stdlib/napi/export", - "@stdlib/napi/argv", - "@stdlib/napi/argv-int64", - "@stdlib/napi/argv-strided-float64array", - "@stdlib/napi/create-double" - ] - }, - { - "task": "benchmark", - "wasm": false, - "src": [ - "./src/main.c" - ], - "include": [ - "./include" - ], - "libraries": [], - "libpath": [], - "dependencies": [ - "@stdlib/blas/base/shared", - "@stdlib/strided/base/stride2offset", - "@stdlib/math/base/special/abs" - ] - }, - { - "task": "examples", - "wasm": false, - "src": [ - "./src/main.c" - ], - "include": [ - "./include" - ], - "libraries": [], - "libpath": [], - "dependencies": [ - "@stdlib/blas/base/shared", - "@stdlib/strided/base/stride2offset", - "@stdlib/math/base/special/abs" - ] - }, - { - "task": "", - "wasm": true, - "src": [ - "./src/main.c" - ], - "include": [ - "./include" - ], - "libraries": [], - "libpath": [], - "dependencies": [ - "@stdlib/blas/base/shared", - "@stdlib/strided/base/stride2offset", - "@stdlib/math/base/special/abs" - ] - } - ] -} diff --git a/lib/node_modules/@stdlib/stats/strided/distances/dchebychev/package.json b/lib/node_modules/@stdlib/stats/strided/distances/dchebychev/package.json deleted file mode 100644 index 6f7f562f91d7..000000000000 --- a/lib/node_modules/@stdlib/stats/strided/distances/dchebychev/package.json +++ /dev/null @@ -1,74 +0,0 @@ -{ - "name": "@stdlib/stats/strided/distances/dchebychev", - "version": "0.0.0", - "description": "Compute the Chebychev distance between two double-precision floating-point strided arrays.", - "license": "Apache-2.0", - "author": { - "name": "The Stdlib Authors", - "url": "https://github.com/stdlib-js/stdlib/graphs/contributors" - }, - "contributors": [ - { - "name": "The Stdlib Authors", - "url": "https://github.com/stdlib-js/stdlib/graphs/contributors" - } - ], - "main": "./lib", - "browser": "./lib/main.js", - "gypfile": true, - "directories": { - "benchmark": "./benchmark", - "doc": "./docs", - "example": "./examples", - "include": "./include", - "lib": "./lib", - "src": "./src", - "test": "./test" - }, - "types": "./docs/types", - "scripts": {}, - "homepage": "https://github.com/stdlib-js/stdlib", - "repository": { - "type": "git", - "url": "git://github.com/stdlib-js/stdlib.git" - }, - "bugs": { - "url": "https://github.com/stdlib-js/stdlib/issues" - }, - "dependencies": {}, - "devDependencies": {}, - "engines": { - "node": ">=0.10.0", - "npm": ">2.7.0" - }, - "os": [ - "aix", - "darwin", - "freebsd", - "linux", - "macos", - "openbsd", - "sunos", - "win32", - "windows" - ], - "keywords": [ - "stdlib", - "stdmath", - "statistics", - "stats", - "mathematics", - "math", - "chebychev", - "distance", - "metric", - "strided", - "strided array", - "typed", - "array", - "float64", - "double", - "float64array" - ], - "__stdlib__": {} -} diff --git a/lib/node_modules/@stdlib/stats/strided/distances/dchebychev/src/Makefile b/lib/node_modules/@stdlib/stats/strided/distances/dchebychev/src/Makefile deleted file mode 100644 index 2caf905cedbe..000000000000 --- a/lib/node_modules/@stdlib/stats/strided/distances/dchebychev/src/Makefile +++ /dev/null @@ -1,70 +0,0 @@ -#/ -# @license Apache-2.0 -# -# Copyright (c) 2026 The Stdlib Authors. -# -# Licensed under the Apache License, Version 2.0 (the "License"); -# you may not use this file except in compliance with the License. -# You may obtain a copy of the License at -# -# http://www.apache.org/licenses/LICENSE-2.0 -# -# Unless required by applicable law or agreed to in writing, software -# distributed under the License is distributed on an "AS IS" BASIS, -# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -# See the License for the specific language governing permissions and -# limitations under the License. -#/ - -# VARIABLES # - -ifndef VERBOSE - QUIET := @ -else - QUIET := -endif - -# Determine the OS ([1][1], [2][2]). -# -# [1]: https://en.wikipedia.org/wiki/Uname#Examples -# [2]: http://stackoverflow.com/a/27776822/2225624 -OS ?= $(shell uname) -ifneq (, $(findstring MINGW,$(OS))) - OS := WINNT -else -ifneq (, $(findstring MSYS,$(OS))) - OS := WINNT -else -ifneq (, $(findstring CYGWIN,$(OS))) - OS := WINNT -else -ifneq (, $(findstring Windows_NT,$(OS))) - OS := WINNT -endif -endif -endif -endif - - -# RULES # - -#/ -# Removes generated files for building an add-on. -# -# @example -# make clean-addon -#/ -clean-addon: - $(QUIET) -rm -f *.o *.node - -.PHONY: clean-addon - -#/ -# Removes generated files. -# -# @example -# make clean -#/ -clean: clean-addon - -.PHONY: clean diff --git a/lib/node_modules/@stdlib/stats/strided/distances/dchebychev/src/addon.c b/lib/node_modules/@stdlib/stats/strided/distances/dchebychev/src/addon.c deleted file mode 100644 index 1da8896de1c7..000000000000 --- a/lib/node_modules/@stdlib/stats/strided/distances/dchebychev/src/addon.c +++ /dev/null @@ -1,66 +0,0 @@ -/** -* @license Apache-2.0 -* -* Copyright (c) 2026 The Stdlib Authors. -* -* Licensed under the Apache License, Version 2.0 (the "License"); -* you may not use this file except in compliance with the License. -* You may obtain a copy of the License at -* -* http://www.apache.org/licenses/LICENSE-2.0 -* -* Unless required by applicable law or agreed to in writing, software -* distributed under the License is distributed on an "AS IS" BASIS, -* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -* See the License for the specific language governing permissions and -* limitations under the License. -*/ - -#include "stdlib/stats/strided/distances/dchebychev.h" -#include "stdlib/blas/base/shared.h" -#include "stdlib/napi/export.h" -#include "stdlib/napi/argv.h" -#include "stdlib/napi/argv_int64.h" -#include "stdlib/napi/argv_strided_float64array.h" -#include "stdlib/napi/create_double.h" -#include - -/** -* Receives JavaScript callback invocation data. -* -* @param env environment under which the function is invoked -* @param info callback data -* @return Node-API value -*/ -static napi_value addon( napi_env env, napi_callback_info info ) { - STDLIB_NAPI_ARGV( env, info, argv, argc, 5 ); - STDLIB_NAPI_ARGV_INT64( env, N, argv, 0 ); - STDLIB_NAPI_ARGV_INT64( env, strideX, argv, 2 ); - STDLIB_NAPI_ARGV_INT64( env, strideY, argv, 4 ); - STDLIB_NAPI_ARGV_STRIDED_FLOAT64ARRAY( env, X, N, strideX, argv, 1 ); - STDLIB_NAPI_ARGV_STRIDED_FLOAT64ARRAY( env, Y, N, strideY, argv, 3 ); - STDLIB_NAPI_CREATE_DOUBLE( env, API_SUFFIX(stdlib_strided_dchebychev)( N, X, strideX, Y, strideY ), v ); - return v; -} - -/** -* Receives JavaScript callback invocation data. -* -* @param env environment under which the function is invoked -* @param info callback data -* @return Node-API value -*/ -static napi_value addon_method( napi_env env, napi_callback_info info ) { - STDLIB_NAPI_ARGV( env, info, argv, argc, 7 ); - STDLIB_NAPI_ARGV_INT64( env, N, argv, 0 ); - STDLIB_NAPI_ARGV_INT64( env, strideX, argv, 2 ); - STDLIB_NAPI_ARGV_INT64( env, offsetX, argv, 3 ); - STDLIB_NAPI_ARGV_INT64( env, strideY, argv, 5 ); - STDLIB_NAPI_ARGV_INT64( env, offsetY, argv, 6 ); - STDLIB_NAPI_ARGV_STRIDED_FLOAT64ARRAY( env, X, N, strideX, argv, 1 ); - STDLIB_NAPI_ARGV_STRIDED_FLOAT64ARRAY( env, Y, N, strideY, argv, 4 ); - STDLIB_NAPI_CREATE_DOUBLE( env, API_SUFFIX(stdlib_strided_dchebychev_ndarray)( N, X, strideX, offsetX, Y, strideY, offsetY ), v ); - return v; -} - -STDLIB_NAPI_MODULE_EXPORT_FCN_WITH_METHOD( addon, "ndarray", addon_method ); diff --git a/lib/node_modules/@stdlib/stats/strided/distances/dchebychev/src/main.c b/lib/node_modules/@stdlib/stats/strided/distances/dchebychev/src/main.c deleted file mode 100644 index 723315a34149..000000000000 --- a/lib/node_modules/@stdlib/stats/strided/distances/dchebychev/src/main.c +++ /dev/null @@ -1,77 +0,0 @@ -/** -* @license Apache-2.0 -* -* Copyright (c) 2026 The Stdlib Authors. -* -* Licensed under the Apache License, Version 2.0 (the "License"); -* you may not use this file except in compliance with the License. -* You may obtain a copy of the License at -* -* http://www.apache.org/licenses/LICENSE-2.0 -* -* Unless required by applicable law or agreed to in writing, software -* distributed under the License is distributed on an "AS IS" BASIS, -* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -* See the License for the specific language governing permissions and -* limitations under the License. -*/ - -#include "stdlib/stats/strided/distances/dchebychev.h" -#include "stdlib/math/base/special/abs.h" -#include "stdlib/blas/base/shared.h" -#include "stdlib/strided/base/stride2offset.h" - -/** -* Computes the Chebychev distance between two double-precision floating-point strided arrays. -* -* @param N number of indexed elements -* @param X first array -* @param strideX X stride length -* @param Y second array -* @param strideY Y stride length -* @return Chebychev distance -*/ -double API_SUFFIX(stdlib_strided_dchebychev)( const CBLAS_INT N, const double *X, const CBLAS_INT strideX, const double *Y, const CBLAS_INT strideY ) { - CBLAS_INT ox = stdlib_strided_stride2offset( N, strideX ); - CBLAS_INT oy = stdlib_strided_stride2offset( N, strideY ); - return API_SUFFIX(stdlib_strided_dchebychev_ndarray)( N, X, strideX, ox, Y, strideY, oy ); -} - -/** -* Computes the Chebychev distance between two double-precision floating-point strided arrays using alternative indexing semantics. -* -* @param N number of indexed elements -* @param X first array -* @param strideX X stride length -* @param offsetX starting index for X -* @param Y second array -* @param strideY Y stride length -* @param offsetY starting index for Y -* @return Chebychev distance -*/ -double API_SUFFIX(stdlib_strided_dchebychev_ndarray)( const CBLAS_INT N, const double *X, const CBLAS_INT strideX, const CBLAS_INT offsetX, const double *Y, const CBLAS_INT strideY, const CBLAS_INT offsetY ) { - CBLAS_INT ox; - CBLAS_INT oy; - CBLAS_INT i; - double max; - double d; - - if ( N <= 0 ) { - return 0.0 / 0.0; // NaN - } - ox = offsetX; - oy = offsetY; - - max = stdlib_base_abs( X[ ox ] - Y[ oy ] ); - ox += strideX; - oy += strideY; - for ( i = 1; i < N; i++ ) { - d = stdlib_base_abs( X[ ox ] - Y[ oy ] ); - if ( d > max ) { - max = d; - } - ox += strideX; - oy += strideY; - } - return max; -} diff --git a/lib/node_modules/@stdlib/stats/strided/distances/dchebychev/test/test.dchebychev.js b/lib/node_modules/@stdlib/stats/strided/distances/dchebychev/test/test.dchebychev.js deleted file mode 100644 index 4fa9aa167fad..000000000000 --- a/lib/node_modules/@stdlib/stats/strided/distances/dchebychev/test/test.dchebychev.js +++ /dev/null @@ -1,217 +0,0 @@ -/** -* @license Apache-2.0 -* -* Copyright (c) 2026 The Stdlib Authors. -* -* Licensed under the Apache License, Version 2.0 (the "License"); -* you may not use this file except in compliance with the License. -* You may obtain a copy of the License at -* -* http://www.apache.org/licenses/LICENSE-2.0 -* -* Unless required by applicable law or agreed to in writing, software -* distributed under the License is distributed on an "AS IS" BASIS, -* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -* See the License for the specific language governing permissions and -* limitations under the License. -*/ - -'use strict'; - -// MODULES // - -var tape = require( 'tape' ); -var Float64Array = require( '@stdlib/array/float64' ); -var isAlmostSameValue = require( '@stdlib/assert/is-almost-same-value' ); -var dchebychev = require( './../lib/dchebychev.js' ); - - -// TESTS // - -tape( 'main export is a function', function test( t ) { - t.ok( true, __filename ); - t.strictEqual( typeof dchebychev, 'function', 'main export is a function' ); - t.end(); -}); - -tape( 'the function has an arity of 5', function test( t ) { - t.strictEqual( dchebychev.length, 5, 'returns expected value' ); - t.end(); -}); - -tape( 'the function calculates the Chebychev distance between two strided arrays', function test( t ) { - var d; - var x; - var y; - - x = new Float64Array( [ 4.0, 2.0, -3.0, 5.0, -1.0, 2.0, -5.0, 6.0 ] ); - y = new Float64Array( [ 2.0, 6.0, -1.0, -4.0, 8.0, 8.0, 2.0, -3.0 ] ); - - // Test against textbook formula: max(2,4,2,9,9,6,7,9) - d = dchebychev( x.length, x, 1, y, 1 ); - t.strictEqual( isAlmostSameValue( d, 9.0, 0 ), true, 'returns expected value' ); - - x = new Float64Array( [ 3.0, -4.0, 1.0 ] ); - y = new Float64Array( [ 1.0, -2.0, 3.0 ] ); - - // Test against textbook formula: max(2,2,2) - d = dchebychev( x.length, x, 1, y, 1 ); - t.strictEqual( isAlmostSameValue( d, 2.0, 0 ), true, 'returns expected value' ); - - t.end(); -}); - -tape( 'if provided an `N` parameter less than or equal to `0`, the function returns `NaN`', function test( t ) { - var d; - var x; - var y; - - x = new Float64Array( [ 3.0, -4.0, 1.0 ] ); - y = new Float64Array( [ 1.0, -2.0, 3.0 ] ); - - d = dchebychev( 0, x, 1, y, 1 ); - t.strictEqual( isAlmostSameValue( d, NaN, 0 ), true, 'returns expected value' ); - - d = dchebychev( -4, x, 1, y, 1 ); - t.strictEqual( isAlmostSameValue( d, NaN, 0 ), true, 'returns expected value' ); - t.end(); -}); - -tape( 'the function supports an `x` stride', function test( t ) { - var d; - var x; - var y; - - x = new Float64Array([ - 2.0, // 0 - -3.0, - -5.0, // 1 - 7.0, - 6.0 // 2 - ]); - y = new Float64Array([ - 8.0, // 0 - 2.0, // 1 - -3.0, // 2 - 3.0, - -4.0, - 1.0 - ]); - - // Test against textbook formula: max(6,7,9) - d = dchebychev( 3, x, 2, y, 1 ); - t.strictEqual( isAlmostSameValue( d, 9.0, 0 ), true, 'returns expected value' ); - t.end(); -}); - -tape( 'the function supports a `y` stride', function test( t ) { - var d; - var x; - var y; - - x = new Float64Array([ - 2.0, // 0 - -3.0, // 1 - -5.0, // 2 - 7.0, - 6.0 - ]); - y = new Float64Array([ - 8.0, // 0 - 2.0, - -3.0, // 1 - 3.0, - -4.0, // 2 - 1.0 - ]); - - // Test against textbook formula: max(6,0,1) - d = dchebychev( 3, x, 1, y, 2 ); - t.strictEqual( isAlmostSameValue( d, 6.0, 0 ), true, 'returns expected value' ); - t.end(); -}); - -tape( 'the function supports negative strides', function test( t ) { - var d; - var x; - var y; - - x = new Float64Array([ - 1.0, // 2 - 2.0, - 3.0, // 1 - 4.0, - 5.0 // 0 - ]); - y = new Float64Array([ - 6.0, // 2 - 7.0, // 1 - 8.0, // 0 - 9.0, - 10.0 - ]); - - // Test against textbook formula: max(3,4,5) - d = dchebychev( 3, x, -2, y, -1 ); - t.strictEqual( isAlmostSameValue( d, 5.0, 0 ), true, 'returns expected value' ); - t.end(); -}); - -tape( 'the function supports complex access patterns', function test( t ) { - var d; - var x; - var y; - - x = new Float64Array([ - 1.0, // 0 - 2.0, - 3.0, // 1 - 4.0, - 5.0 // 2 - ]); - y = new Float64Array([ - 6.0, // 2 - 7.0, // 1 - 8.0, // 0 - 9.0, - 10.0 - ]); - - // Test against textbook formula: max(7,4,1) - d = dchebychev( 3, x, 2, y, -1 ); - t.strictEqual( isAlmostSameValue( d, 7.0, 0 ), true, 'returns expected value' ); - t.end(); -}); - -tape( 'the function supports view offsets', function test( t ) { - var x0; - var y0; - var x1; - var y1; - var d; - - x0 = new Float64Array([ - 1.0, - 2.0, // 0 - 3.0, - 4.0, // 1 - 5.0, - 6.0 // 2 - ]); - y0 = new Float64Array([ - 6.0, - 7.0, - 8.0, - 9.0, // 0 - 10.0, // 1 - 11.0 // 2 - ]); - - x1 = new Float64Array( x0.buffer, x0.BYTES_PER_ELEMENT*1 ); - y1 = new Float64Array( y0.buffer, y0.BYTES_PER_ELEMENT*3 ); - - // Test against textbook formula: max(7,6,5) - d = dchebychev( 3, x1, 2, y1, 1 ); - t.strictEqual( isAlmostSameValue( d, 7.0, 0 ), true, 'returns expected value' ); - t.end(); -}); diff --git a/lib/node_modules/@stdlib/stats/strided/distances/dchebychev/test/test.dchebychev.native.js b/lib/node_modules/@stdlib/stats/strided/distances/dchebychev/test/test.dchebychev.native.js deleted file mode 100644 index a44a5ea21f04..000000000000 --- a/lib/node_modules/@stdlib/stats/strided/distances/dchebychev/test/test.dchebychev.native.js +++ /dev/null @@ -1,226 +0,0 @@ -/** -* @license Apache-2.0 -* -* Copyright (c) 2026 The Stdlib Authors. -* -* Licensed under the Apache License, Version 2.0 (the "License"); -* you may not use this file except in compliance with the License. -* You may obtain a copy of the License at -* -* http://www.apache.org/licenses/LICENSE-2.0 -* -* Unless required by applicable law or agreed to in writing, software -* distributed under the License is distributed on an "AS IS" BASIS, -* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -* See the License for the specific language governing permissions and -* limitations under the License. -*/ - -'use strict'; - -// MODULES // - -var resolve = require( 'path' ).resolve; -var tape = require( 'tape' ); -var Float64Array = require( '@stdlib/array/float64' ); -var isAlmostSameValue = require( '@stdlib/assert/is-almost-same-value' ); -var tryRequire = require( '@stdlib/utils/try-require' ); - - -// VARIABLES // - -var dchebychev = tryRequire( resolve( __dirname, './../lib/dchebychev.native.js' ) ); -var opts = { - 'skip': ( dchebychev instanceof Error ) -}; - - -// TESTS // - -tape( 'main export is a function', opts, function test( t ) { - t.ok( true, __filename ); - t.strictEqual( typeof dchebychev, 'function', 'main export is a function' ); - t.end(); -}); - -tape( 'the function has an arity of 5', opts, function test( t ) { - t.strictEqual( dchebychev.length, 5, 'returns expected value' ); - t.end(); -}); - -tape( 'the function calculates the Chebychev distance between two strided arrays', opts, function test( t ) { - var d; - var x; - var y; - - x = new Float64Array( [ 4.0, 2.0, -3.0, 5.0, -1.0, 2.0, -5.0, 6.0 ] ); - y = new Float64Array( [ 2.0, 6.0, -1.0, -4.0, 8.0, 8.0, 2.0, -3.0 ] ); - - // Test against textbook formula: max(2,4,2,9,9,6,7,9) - d = dchebychev( x.length, x, 1, y, 1 ); - t.strictEqual( isAlmostSameValue( d, 9.0, 0 ), true, 'returns expected value' ); - - x = new Float64Array( [ 3.0, -4.0, 1.0 ] ); - y = new Float64Array( [ 1.0, -2.0, 3.0 ] ); - - // Test against textbook formula: max(2,2,2) - d = dchebychev( x.length, x, 1, y, 1 ); - t.strictEqual( isAlmostSameValue( d, 2.0, 0 ), true, 'returns expected value' ); - - t.end(); -}); - -tape( 'if provided an `N` parameter less than or equal to `0`, the function returns `NaN`', opts, function test( t ) { - var d; - var x; - var y; - - x = new Float64Array( [ 3.0, -4.0, 1.0 ] ); - y = new Float64Array( [ 1.0, -2.0, 3.0 ] ); - - d = dchebychev( 0, x, 1, y, 1 ); - t.strictEqual( isAlmostSameValue( d, NaN, 0 ), true, 'returns expected value' ); - - d = dchebychev( -4, x, 1, y, 1 ); - t.strictEqual( isAlmostSameValue( d, NaN, 0 ), true, 'returns expected value' ); - t.end(); -}); - -tape( 'the function supports an `x` stride', opts, function test( t ) { - var d; - var x; - var y; - - x = new Float64Array([ - 2.0, // 0 - -3.0, - -5.0, // 1 - 7.0, - 6.0 // 2 - ]); - y = new Float64Array([ - 8.0, // 0 - 2.0, // 1 - -3.0, // 2 - 3.0, - -4.0, - 1.0 - ]); - - // Test against textbook formula: max(6,7,9) - d = dchebychev( 3, x, 2, y, 1 ); - t.strictEqual( isAlmostSameValue( d, 9.0, 0 ), true, 'returns expected value' ); - t.end(); -}); - -tape( 'the function supports a `y` stride', opts, function test( t ) { - var d; - var x; - var y; - - x = new Float64Array([ - 2.0, // 0 - -3.0, // 1 - -5.0, // 2 - 7.0, - 6.0 - ]); - y = new Float64Array([ - 8.0, // 0 - 2.0, - -3.0, // 1 - 3.0, - -4.0, // 2 - 1.0 - ]); - - // Test against textbook formula: max(6,0,1) - d = dchebychev( 3, x, 1, y, 2 ); - t.strictEqual( isAlmostSameValue( d, 6.0, 0 ), true, 'returns expected value' ); - t.end(); -}); - -tape( 'the function supports negative strides', opts, function test( t ) { - var d; - var x; - var y; - - x = new Float64Array([ - 1.0, // 2 - 2.0, - 3.0, // 1 - 4.0, - 5.0 // 0 - ]); - y = new Float64Array([ - 6.0, // 2 - 7.0, // 1 - 8.0, // 0 - 9.0, - 10.0 - ]); - - // Test against textbook formula: max(3,4,5) - d = dchebychev( 3, x, -2, y, -1 ); - t.strictEqual( isAlmostSameValue( d, 5.0, 0 ), true, 'returns expected value' ); - t.end(); -}); - -tape( 'the function supports complex access patterns', opts, function test( t ) { - var d; - var x; - var y; - - x = new Float64Array([ - 1.0, // 0 - 2.0, - 3.0, // 1 - 4.0, - 5.0 // 2 - ]); - y = new Float64Array([ - 6.0, // 2 - 7.0, // 1 - 8.0, // 0 - 9.0, - 10.0 - ]); - - // Test against textbook formula: max(7,4,1) - d = dchebychev( 3, x, 2, y, -1 ); - t.strictEqual( isAlmostSameValue( d, 7.0, 0 ), true, 'returns expected value' ); - t.end(); -}); - -tape( 'the function supports view offsets', opts, function test( t ) { - var x0; - var y0; - var x1; - var y1; - var d; - - x0 = new Float64Array([ - 1.0, - 2.0, // 0 - 3.0, - 4.0, // 1 - 5.0, - 6.0 // 2 - ]); - y0 = new Float64Array([ - 6.0, - 7.0, - 8.0, - 9.0, // 0 - 10.0, // 1 - 11.0 // 2 - ]); - - x1 = new Float64Array( x0.buffer, x0.BYTES_PER_ELEMENT*1 ); - y1 = new Float64Array( y0.buffer, y0.BYTES_PER_ELEMENT*3 ); - - // Test against textbook formula: max(7,6,5) - d = dchebychev( 3, x1, 2, y1, 1 ); - t.strictEqual( isAlmostSameValue( d, 7.0, 0 ), true, 'returns expected value' ); - t.end(); -}); diff --git a/lib/node_modules/@stdlib/stats/strided/distances/dchebychev/test/test.js b/lib/node_modules/@stdlib/stats/strided/distances/dchebychev/test/test.js deleted file mode 100644 index 9ba499afa079..000000000000 --- a/lib/node_modules/@stdlib/stats/strided/distances/dchebychev/test/test.js +++ /dev/null @@ -1,82 +0,0 @@ -/** -* @license Apache-2.0 -* -* Copyright (c) 2026 The Stdlib Authors. -* -* Licensed under the Apache License, Version 2.0 (the "License"); -* you may not use this file except in compliance with the License. -* You may obtain a copy of the License at -* -* http://www.apache.org/licenses/LICENSE-2.0 -* -* Unless required by applicable law or agreed to in writing, software -* distributed under the License is distributed on an "AS IS" BASIS, -* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -* See the License for the specific language governing permissions and -* limitations under the License. -*/ - -'use strict'; - -// MODULES // - -var tape = require( 'tape' ); -var proxyquire = require( 'proxyquire' ); -var IS_BROWSER = require( '@stdlib/assert/is-browser' ); -var dchebychev = require( './../lib' ); - - -// VARIABLES // - -var opts = { - 'skip': IS_BROWSER -}; - - -// TESTS // - -tape( 'main export is a function', function test( t ) { - t.ok( true, __filename ); - t.strictEqual( typeof dchebychev, 'function', 'main export is a function' ); - t.end(); -}); - -tape( 'attached to the main export is a method providing an ndarray interface', function test( t ) { - t.strictEqual( typeof dchebychev.ndarray, 'function', 'method is a function' ); - t.end(); -}); - -tape( 'if a native implementation is available, the main export is the native implementation', opts, function test( t ) { - var dchebychev = proxyquire( './../lib', { - '@stdlib/utils/try-require': tryRequire - }); - - t.strictEqual( dchebychev, mock, 'returns expected value' ); - t.end(); - - function tryRequire() { - return mock; - } - - function mock() { - // Mock... - } -}); - -tape( 'if a native implementation is not available, the main export is a JavaScript implementation', opts, function test( t ) { - var dchebychev; - var main; - - main = require( './../lib/dchebychev.js' ); - - dchebychev = proxyquire( './../lib', { - '@stdlib/utils/try-require': tryRequire - }); - - t.strictEqual( dchebychev, main, 'returns expected value' ); - t.end(); - - function tryRequire() { - return new Error( 'Cannot find module' ); - } -}); diff --git a/lib/node_modules/@stdlib/stats/strided/distances/dchebychev/test/test.ndarray.js b/lib/node_modules/@stdlib/stats/strided/distances/dchebychev/test/test.ndarray.js deleted file mode 100644 index 20ad4fc77844..000000000000 --- a/lib/node_modules/@stdlib/stats/strided/distances/dchebychev/test/test.ndarray.js +++ /dev/null @@ -1,240 +0,0 @@ -/** -* @license Apache-2.0 -* -* Copyright (c) 2026 The Stdlib Authors. -* -* Licensed under the Apache License, Version 2.0 (the "License"); -* you may not use this file except in compliance with the License. -* You may obtain a copy of the License at -* -* http://www.apache.org/licenses/LICENSE-2.0 -* -* Unless required by applicable law or agreed to in writing, software -* distributed under the License is distributed on an "AS IS" BASIS, -* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -* See the License for the specific language governing permissions and -* limitations under the License. -*/ - -'use strict'; - -// MODULES // - -var tape = require( 'tape' ); -var Float64Array = require( '@stdlib/array/float64' ); -var isAlmostSameValue = require( '@stdlib/assert/is-almost-same-value' ); -var dchebychev = require( './../lib/ndarray.js' ); - - -// TESTS // - -tape( 'main export is a function', function test( t ) { - t.ok( true, __filename ); - t.strictEqual( typeof dchebychev, 'function', 'main export is a function' ); - t.end(); -}); - -tape( 'the function has an arity of 7', function test( t ) { - t.strictEqual( dchebychev.length, 7, 'returns expected value' ); - t.end(); -}); - -tape( 'the function calculates the Chebychev distance between two strided arrays', function test( t ) { - var d; - var x; - var y; - - x = new Float64Array( [ 4.0, 2.0, -3.0, 5.0, -1.0, 2.0, -5.0, 6.0 ] ); - y = new Float64Array( [ 2.0, 6.0, -1.0, -4.0, 8.0, 8.0, 2.0, -3.0 ] ); - - // Test against textbook formula: max(2,4,2,9,9,6,7,9) - d = dchebychev( x.length, x, 1, 0, y, 1, 0 ); - t.strictEqual( isAlmostSameValue( d, 9.0, 0 ), true, 'returns expected value' ); - - x = new Float64Array( [ 3.0, -4.0, 1.0 ] ); - y = new Float64Array( [ 1.0, -2.0, 3.0 ] ); - - // Test against textbook formula: max(2,2,2) - d = dchebychev( x.length, x, 1, 0, y, 1, 0 ); - t.strictEqual( isAlmostSameValue( d, 2.0, 0 ), true, 'returns expected value' ); - - t.end(); -}); - -tape( 'if provided an `N` parameter less than or equal to `0`, the function returns `NaN`', function test( t ) { - var d; - var x; - var y; - - x = new Float64Array( [ 3.0, -4.0, 1.0 ] ); - y = new Float64Array( [ 1.0, -2.0, 3.0 ] ); - - d = dchebychev( 0, x, 1, 0, y, 1, 0 ); - t.strictEqual( isAlmostSameValue( d, NaN, 0 ), true, 'returns expected value' ); - - d = dchebychev( -4, x, 1, 0, y, 1, 0 ); - t.strictEqual( isAlmostSameValue( d, NaN, 0 ), true, 'returns expected value' ); - t.end(); -}); - -tape( 'the function supports an `x` stride', function test( t ) { - var d; - var x; - var y; - - x = new Float64Array([ - 2.0, // 0 - -3.0, - -5.0, // 1 - 7.0, - 6.0 // 2 - ]); - y = new Float64Array([ - 8.0, // 0 - 2.0, // 1 - -3.0, // 2 - 3.0, - -4.0, - 1.0 - ]); - - // Test against textbook formula: max(6,7,9) - d = dchebychev( 3, x, 2, 0, y, 1, 0 ); - t.strictEqual( isAlmostSameValue( d, 9.0, 0 ), true, 'returns expected value' ); - t.end(); -}); - -tape( 'the function supports an `x` offset', function test( t ) { - var d; - var x; - var y; - - x = new Float64Array([ - 1.0, - 2.0, // 0 - 3.0, - 4.0, // 1 - 5.0, - 6.0 // 2 - ]); - y = new Float64Array([ - 6.0, // 0 - 7.0, // 1 - 8.0, // 2 - 9.0, - 10.0, - 11.0 - ]); - - // Test against textbook formula: max(4,3,2) - d = dchebychev( 3, x, 2, 1, y, 1, 0 ); - t.strictEqual( isAlmostSameValue( d, 4.0, 0 ), true, 'returns expected value' + d ); - t.end(); -}); - -tape( 'the function supports a `y` stride', function test( t ) { - var d; - var x; - var y; - - x = new Float64Array([ - 2.0, // 0 - -3.0, // 1 - -5.0, // 2 - 7.0, - 6.0 - ]); - y = new Float64Array([ - 8.0, // 0 - 2.0, - -3.0, // 1 - 3.0, - -4.0, // 2 - 1.0 - ]); - - // Test against textbook formula: max(6,0,1) - d = dchebychev( 3, x, 1, 0, y, 2, 0 ); - t.strictEqual( isAlmostSameValue( d, 6.0, 0 ), true, 'returns expected value' ); - t.end(); -}); - -tape( 'the function supports a `y` offset', function test( t ) { - var d; - var x; - var y; - - x = new Float64Array([ - 1.0, // 0 - 2.0, - 3.0, // 1 - 4.0, - 5.0, // 2 - 6.0 - ]); - y = new Float64Array([ - 6.0, - 7.0, - 8.0, - 9.0, // 0 - 10.0, // 1 - 11.0 // 2 - ]); - - // Test against textbook formula: max(8,7,6) - d = dchebychev( 3, x, 2, 0, y, 1, 3 ); - t.strictEqual( isAlmostSameValue( d, 8.0, 0 ), true, 'returns expected value' ); - t.end(); -}); - -tape( 'the function supports negative strides', function test( t ) { - var d; - var x; - var y; - - x = new Float64Array([ - 1.0, // 2 - 2.0, - 3.0, // 1 - 4.0, - 5.0 // 0 - ]); - y = new Float64Array([ - 6.0, // 2 - 7.0, // 1 - 8.0, // 0 - 9.0, - 10.0 - ]); - - // Test against textbook formula: max(3,4,5) - d = dchebychev( 3, x, -2, x.length-1, y, -1, 2 ); - t.strictEqual( isAlmostSameValue( d, 5.0, 0 ), true, 'returns expected value' ); - t.end(); -}); - -tape( 'the function supports complex access patterns', function test( t ) { - var d; - var x; - var y; - - x = new Float64Array([ - 1.0, // 0 - 2.0, - 3.0, // 1 - 4.0, - 5.0 // 2 - ]); - y = new Float64Array([ - 6.0, - 7.0, // 2 - 8.0, // 1 - 9.0, // 0 - 10.0 - ]); - - // Test against textbook formula: max(8,5,2) - d = dchebychev( 3, x, 2, 0, y, -1, y.length-2 ); - t.strictEqual( isAlmostSameValue( d, 8.0, 0 ), true, 'returns expected value' ); - t.end(); -}); diff --git a/lib/node_modules/@stdlib/stats/strided/distances/dchebychev/test/test.ndarray.native.js b/lib/node_modules/@stdlib/stats/strided/distances/dchebychev/test/test.ndarray.native.js deleted file mode 100644 index 56a0fd9f7739..000000000000 --- a/lib/node_modules/@stdlib/stats/strided/distances/dchebychev/test/test.ndarray.native.js +++ /dev/null @@ -1,249 +0,0 @@ -/** -* @license Apache-2.0 -* -* Copyright (c) 2026 The Stdlib Authors. -* -* Licensed under the Apache License, Version 2.0 (the "License"); -* you may not use this file except in compliance with the License. -* You may obtain a copy of the License at -* -* http://www.apache.org/licenses/LICENSE-2.0 -* -* Unless required by applicable law or agreed to in writing, software -* distributed under the License is distributed on an "AS IS" BASIS, -* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -* See the License for the specific language governing permissions and -* limitations under the License. -*/ - -'use strict'; - -// MODULES // - -var resolve = require( 'path' ).resolve; -var tape = require( 'tape' ); -var Float64Array = require( '@stdlib/array/float64' ); -var isAlmostSameValue = require( '@stdlib/assert/is-almost-same-value' ); -var tryRequire = require( '@stdlib/utils/try-require' ); - - -// VARIABLES // - -var dchebychev = tryRequire( resolve( __dirname, './../lib/ndarray.native.js' ) ); -var opts = { - 'skip': ( dchebychev instanceof Error ) -}; - - -// TESTS // - -tape( 'main export is a function', opts, function test( t ) { - t.ok( true, __filename ); - t.strictEqual( typeof dchebychev, 'function', 'main export is a function' ); - t.end(); -}); - -tape( 'the function has an arity of 7', opts, function test( t ) { - t.strictEqual( dchebychev.length, 7, 'returns expected value' ); - t.end(); -}); - -tape( 'the function calculates the Chebychev distance between two strided arrays', opts, function test( t ) { - var d; - var x; - var y; - - x = new Float64Array( [ 4.0, 2.0, -3.0, 5.0, -1.0, 2.0, -5.0, 6.0 ] ); - y = new Float64Array( [ 2.0, 6.0, -1.0, -4.0, 8.0, 8.0, 2.0, -3.0 ] ); - - // Test against textbook formula: max(2,4,2,9,9,6,7,9) - d = dchebychev( x.length, x, 1, 0, y, 1, 0 ); - t.strictEqual( isAlmostSameValue( d, 9.0, 0 ), true, 'returns expected value' ); - - x = new Float64Array( [ 3.0, -4.0, 1.0 ] ); - y = new Float64Array( [ 1.0, -2.0, 3.0 ] ); - - // Test against textbook formula: max(2,2,2) - d = dchebychev( x.length, x, 1, 0, y, 1, 0 ); - t.strictEqual( isAlmostSameValue( d, 2.0, 0 ), true, 'returns expected value' ); - - t.end(); -}); - -tape( 'if provided an `N` parameter less than or equal to `0`, the function returns `NaN`', opts, function test( t ) { - var d; - var x; - var y; - - x = new Float64Array( [ 3.0, -4.0, 1.0 ] ); - y = new Float64Array( [ 1.0, -2.0, 3.0 ] ); - - d = dchebychev( 0, x, 1, 0, y, 1, 0 ); - t.strictEqual( isAlmostSameValue( d, NaN, 0 ), true, 'returns expected value' ); - - d = dchebychev( -4, x, 1, 0, y, 1, 0 ); - t.strictEqual( isAlmostSameValue( d, NaN, 0 ), true, 'returns expected value' ); - t.end(); -}); - -tape( 'the function supports an `x` stride', opts, function test( t ) { - var d; - var x; - var y; - - x = new Float64Array([ - 2.0, // 0 - -3.0, - -5.0, // 1 - 7.0, - 6.0 // 2 - ]); - y = new Float64Array([ - 8.0, // 0 - 2.0, // 1 - -3.0, // 2 - 3.0, - -4.0, - 1.0 - ]); - - // Test against textbook formula: max(6,7,9) - d = dchebychev( 3, x, 2, 0, y, 1, 0 ); - t.strictEqual( isAlmostSameValue( d, 9.0, 0 ), true, 'returns expected value' ); - t.end(); -}); - -tape( 'the function supports an `x` offset', opts, function test( t ) { - var d; - var x; - var y; - - x = new Float64Array([ - 1.0, - 2.0, // 0 - 3.0, - 4.0, // 1 - 5.0, - 6.0 // 2 - ]); - y = new Float64Array([ - 6.0, // 0 - 7.0, // 1 - 8.0, // 2 - 9.0, - 10.0, - 11.0 - ]); - - // Test against textbook formula: max(4,3,2) - d = dchebychev( 3, x, 2, 1, y, 1, 0 ); - t.strictEqual( isAlmostSameValue( d, 4.0, 0 ), true, 'returns expected value' ); - t.end(); -}); - -tape( 'the function supports a `y` stride', opts, function test( t ) { - var d; - var x; - var y; - - x = new Float64Array([ - 2.0, // 0 - -3.0, // 1 - -5.0, // 2 - 7.0, - 6.0 - ]); - y = new Float64Array([ - 8.0, // 0 - 2.0, - -3.0, // 1 - 3.0, - -4.0, // 2 - 1.0 - ]); - - // Test against textbook formula: max(6,0,1) - d = dchebychev( 3, x, 1, 0, y, 2, 0 ); - t.strictEqual( isAlmostSameValue( d, 6.0, 0 ), true, 'returns expected value' ); - t.end(); -}); - -tape( 'the function supports a `y` offset', opts, function test( t ) { - var d; - var x; - var y; - - x = new Float64Array([ - 1.0, // 0 - 2.0, - 3.0, // 1 - 4.0, - 5.0, // 2 - 6.0 - ]); - y = new Float64Array([ - 6.0, - 7.0, - 8.0, - 9.0, // 0 - 10.0, // 1 - 11.0 // 2 - ]); - - // Test against textbook formula: max(8,7,6) - d = dchebychev( 3, x, 2, 0, y, 1, 3 ); - t.strictEqual( isAlmostSameValue( d, 8.0, 0 ), true, 'returns expected value' ); - t.end(); -}); - -tape( 'the function supports negative strides', opts, function test( t ) { - var d; - var x; - var y; - - x = new Float64Array([ - 1.0, // 2 - 2.0, - 3.0, // 1 - 4.0, - 5.0 // 0 - ]); - y = new Float64Array([ - 6.0, // 2 - 7.0, // 1 - 8.0, // 0 - 9.0, - 10.0 - ]); - - // Test against textbook formula: max(3,4,5) - d = dchebychev( 3, x, -2, x.length-1, y, -1, 2 ); - t.strictEqual( isAlmostSameValue( d, 5.0, 0 ), true, 'returns expected value' ); - t.end(); -}); - -tape( 'the function supports complex access patterns', opts, function test( t ) { - var d; - var x; - var y; - - x = new Float64Array([ - 1.0, // 0 - 2.0, - 3.0, // 1 - 4.0, - 5.0 // 2 - ]); - y = new Float64Array([ - 6.0, - 7.0, // 2 - 8.0, // 1 - 9.0, // 0 - 10.0 - ]); - - // Test against textbook formula: max(8,5,2) - d = dchebychev( 3, x, 2, 0, y, -1, y.length-2 ); - t.strictEqual( isAlmostSameValue( d, 8.0, 0 ), true, 'returns expected value' ); - t.end(); -});