From 89970dd69e9d7c8bcc6e50c66e1463648b01b679 Mon Sep 17 00:00:00 2001 From: Aryan Kumar Date: Sun, 11 Jan 2026 07:25:44 +0000 Subject: [PATCH 1/6] feat: add math/base/special/round2f --- 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 status: na - task: lint_shell status: na - task: lint_typescript_declarations status: passed - task: lint_typescript_tests status: passed - task: lint_license_headers status: passed --- --- .../math/base/special/round2f/README.md | 225 ++++++++++++++++++ .../special/round2f/benchmark/benchmark.js | 55 +++++ .../round2f/benchmark/benchmark.native.js | 64 +++++ .../round2f/benchmark/c/native/Makefile | 146 ++++++++++++ .../round2f/benchmark/c/native/benchmark.c | 136 +++++++++++ .../math/base/special/round2f/binding.gyp | 170 +++++++++++++ .../math/base/special/round2f/docs/repl.txt | 35 +++ .../special/round2f/docs/types/index.d.ts | 44 ++++ .../base/special/round2f/docs/types/test.ts | 44 ++++ .../base/special/round2f/examples/c/Makefile | 146 ++++++++++++ .../base/special/round2f/examples/c/example.c | 35 +++ .../base/special/round2f/examples/index.js | 38 +++ .../math/base/special/round2f/include.gypi | 53 +++++ .../stdlib/math/base/special/round2f.h | 41 ++++ .../math/base/special/round2f/lib/index.js | 46 ++++ .../math/base/special/round2f/lib/main.js | 80 +++++++ .../math/base/special/round2f/lib/native.js | 54 +++++ .../math/base/special/round2f/manifest.json | 81 +++++++ .../math/base/special/round2f/package.json | 145 +++++++++++ .../math/base/special/round2f/src/Makefile | 70 ++++++ .../math/base/special/round2f/src/addon.c | 25 ++ .../math/base/special/round2f/src/main.c | 66 +++++ .../math/base/special/round2f/test/test.js | 123 ++++++++++ .../base/special/round2f/test/test.native.js | 104 ++++++++ 24 files changed, 2026 insertions(+) create mode 100644 lib/node_modules/@stdlib/math/base/special/round2f/README.md create mode 100644 lib/node_modules/@stdlib/math/base/special/round2f/benchmark/benchmark.js create mode 100644 lib/node_modules/@stdlib/math/base/special/round2f/benchmark/benchmark.native.js create mode 100644 lib/node_modules/@stdlib/math/base/special/round2f/benchmark/c/native/Makefile create mode 100644 lib/node_modules/@stdlib/math/base/special/round2f/benchmark/c/native/benchmark.c create mode 100644 lib/node_modules/@stdlib/math/base/special/round2f/binding.gyp create mode 100644 lib/node_modules/@stdlib/math/base/special/round2f/docs/repl.txt create mode 100644 lib/node_modules/@stdlib/math/base/special/round2f/docs/types/index.d.ts create mode 100644 lib/node_modules/@stdlib/math/base/special/round2f/docs/types/test.ts create mode 100644 lib/node_modules/@stdlib/math/base/special/round2f/examples/c/Makefile create mode 100644 lib/node_modules/@stdlib/math/base/special/round2f/examples/c/example.c create mode 100644 lib/node_modules/@stdlib/math/base/special/round2f/examples/index.js create mode 100644 lib/node_modules/@stdlib/math/base/special/round2f/include.gypi create mode 100644 lib/node_modules/@stdlib/math/base/special/round2f/include/stdlib/math/base/special/round2f.h create mode 100644 lib/node_modules/@stdlib/math/base/special/round2f/lib/index.js create mode 100644 lib/node_modules/@stdlib/math/base/special/round2f/lib/main.js create mode 100644 lib/node_modules/@stdlib/math/base/special/round2f/lib/native.js create mode 100644 lib/node_modules/@stdlib/math/base/special/round2f/manifest.json create mode 100644 lib/node_modules/@stdlib/math/base/special/round2f/package.json create mode 100644 lib/node_modules/@stdlib/math/base/special/round2f/src/Makefile create mode 100644 lib/node_modules/@stdlib/math/base/special/round2f/src/addon.c create mode 100644 lib/node_modules/@stdlib/math/base/special/round2f/src/main.c create mode 100644 lib/node_modules/@stdlib/math/base/special/round2f/test/test.js create mode 100644 lib/node_modules/@stdlib/math/base/special/round2f/test/test.native.js diff --git a/lib/node_modules/@stdlib/math/base/special/round2f/README.md b/lib/node_modules/@stdlib/math/base/special/round2f/README.md new file mode 100644 index 000000000000..871199f27e47 --- /dev/null +++ b/lib/node_modules/@stdlib/math/base/special/round2f/README.md @@ -0,0 +1,225 @@ + + +# round2f + +> Round a single-precision floating-point number to the nearest power of 2 on a linear scale. + +
+ +## Usage + +```javascript +var round2f = require( '@stdlib/math/base/special/round2f' ); +``` + +#### round2f( x ) + +Rounds a single-precision floating-point number to the nearest power of `2` on a linear scale. + +```javascript +var v = round2f( -4.2 ); +// returns -4.0 + +v = round2f( -4.5 ); +// returns -4.0 + +v = round2f( -4.6 ); +// returns -4.0 + +v = round2f( 9.99999 ); +// returns 8.0 + +v = round2f( 9.5 ); +// returns 8.0 + +v = round2f( 13.0 ); +// returns 16.0 + +v = round2f( -13.0 ); +// returns -16.0 + +v = round2f( 0.0 ); +// returns 0.0 + +v = round2f( -0.0 ); +// returns -0.0 + +v = round2f( Infinity ); +// returns Infinity + +v = round2f( -Infinity ); +// returns -Infinity + +v = round2f( NaN ); +// returns NaN +``` + +
+ + + +
+ +## Examples + + + +```javascript +var uniform = require( '@stdlib/random/array/uniform' ); +var logEachMap = require( '@stdlib/console/log-each-map' ); +var round2f = require( '@stdlib/math/base/special/round2f' ); + +var opts = { + 'dtype': 'float32' +}; +var x = uniform( 100, -50.0, 50.0, opts ); + +logEachMap( 'x: %0.4f. Rounded: %0.4f.', x, round2f ); +``` + +
+ + + + + +* * * + +
+ +## C APIs + + + +
+ +
+ + + + + +
+ +### Usage + +```c +#include "stdlib/math/base/special/round2f.h" +``` + +#### stdlib_base_round2f( x ) + +Rounds a single-precision floating-point value to the nearest power of `2` on a linear scale. + +```c +float out = stdlib_base_round2f( -4.2f ); +// returns -4.0f +``` + +The function accepts the following arguments: + +- **x**: `[in] float` input value. + +```c +float stdlib_base_round2f( const float x ); +``` + +
+ + + + + +
+ +
+ + + + + +
+ +### Examples + +```c +#include "stdlib/math/base/special/round2f.h" +#include + +int main( void ) { + const float x[] = { + -5.0f, -3.89f, -2.78f, -1.67f, -0.56f, + 0.56f, 1.67f, 2.78f, 3.89f, 5.0f + }; + + float v; + int i; + for ( i = 0; i < 10; i++ ) { + v = stdlib_base_round2f( x[ i ] ); + printf( "round2f(%f) = %f\n", x[ i ], v ); + } +} +``` + +
+ + + +
+ + + + + + + + + + + + + + diff --git a/lib/node_modules/@stdlib/math/base/special/round2f/benchmark/benchmark.js b/lib/node_modules/@stdlib/math/base/special/round2f/benchmark/benchmark.js new file mode 100644 index 000000000000..d648d51812d7 --- /dev/null +++ b/lib/node_modules/@stdlib/math/base/special/round2f/benchmark/benchmark.js @@ -0,0 +1,55 @@ +/** +* @license Apache-2.0 +* +* Copyright (c) 2024 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 isnanf = require( '@stdlib/math/base/assert/is-nanf' ); +var pkg = require( './../package.json' ).name; +var round2f = require( './../lib' ); + + +// MAIN // + +bench( pkg, function benchmark( b ) { + var x; + var y; + var i; + + x = uniform( 100, -5.0e6, 5.0e6, { + 'dtype': 'float32' + }); + + b.tic(); + for ( i = 0; i < b.iterations; i++ ) { + y = round2f( x[ i % x.length ] ); + if ( isnanf( y ) ) { + b.fail( 'should not return NaN' ); + } + } + b.toc(); + + if ( isnanf( y ) ) { + b.fail( 'should not return NaN' ); + } + b.pass( 'benchmark finished' ); + b.end(); +}); diff --git a/lib/node_modules/@stdlib/math/base/special/round2f/benchmark/benchmark.native.js b/lib/node_modules/@stdlib/math/base/special/round2f/benchmark/benchmark.native.js new file mode 100644 index 000000000000..187ce398ac54 --- /dev/null +++ b/lib/node_modules/@stdlib/math/base/special/round2f/benchmark/benchmark.native.js @@ -0,0 +1,64 @@ +/** +* @license Apache-2.0 +* +* Copyright (c) 2024 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 isnanf = require( '@stdlib/math/base/assert/is-nanf' ); +var tryRequire = require( '@stdlib/utils/try-require' ); +var pkg = require( './../package.json' ).name; + + +// VARIABLES // + +var round2f = tryRequire( resolve( __dirname, './../lib/native.js' ) ); +var opts = { + 'skip': ( round2f instanceof Error ) +}; + + +// MAIN // + +bench( pkg+'::native', opts, function benchmark( b ) { + var x; + var y; + var i; + + x = uniform( 100, -5.0e6, 5.0e6, { + 'dtype': 'float32' + }); + + b.tic(); + for ( i = 0; i < b.iterations; i++ ) { + y = round2f( x[ i % x.length ] ); + if ( isnanf( y ) ) { + b.fail( 'should not return NaN' ); + } + } + b.toc(); + + if ( isnanf( y ) ) { + b.fail( 'should not return NaN' ); + } + b.pass( 'benchmark finished' ); + b.end(); +}); diff --git a/lib/node_modules/@stdlib/math/base/special/round2f/benchmark/c/native/Makefile b/lib/node_modules/@stdlib/math/base/special/round2f/benchmark/c/native/Makefile new file mode 100644 index 000000000000..f69e9da2b4d3 --- /dev/null +++ b/lib/node_modules/@stdlib/math/base/special/round2f/benchmark/c/native/Makefile @@ -0,0 +1,146 @@ +#/ +# @license Apache-2.0 +# +# Copyright (c) 2024 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.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/math/base/special/round2f/benchmark/c/native/benchmark.c b/lib/node_modules/@stdlib/math/base/special/round2f/benchmark/c/native/benchmark.c new file mode 100644 index 000000000000..effc7186101f --- /dev/null +++ b/lib/node_modules/@stdlib/math/base/special/round2f/benchmark/c/native/benchmark.c @@ -0,0 +1,136 @@ +/** +* @license Apache-2.0 +* +* Copyright (c) 2024 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/math/base/special/round2f.h" +#include +#include +#include +#include + +#define NAME "round2f" +#define ITERATIONS 1000000 +#define REPEATS 3 + +/** +* 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 ); + printf( "# total %d\n", total ); + printf( "# pass %d\n", passing ); + printf( "#\n" ); + printf( "# ok\n" ); +} + +/** +* Prints benchmark results. +* +* @param elapsed elapsed time in seconds +*/ +static void print_results( 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 [0,1). +* +* @return random number +*/ +static float rand_float( void ) { + int r = rand(); + return (float)r / ( (float)RAND_MAX + 1.0f ); +} + +/** +* Runs a benchmark. +* +* @return elapsed time in seconds +*/ +static double benchmark( void ) { + float x[ 100 ]; + float y; + double t; + double elapsed; + int i; + + for ( i = 0; i < 100; i++ ) { + x[ i ] = ( 1.0e7f * rand_float() ) - 5.0e6f; + } + + t = tic(); + for ( i = 0; i < ITERATIONS; i++ ) { + y = stdlib_base_round2f( x[ i % 100 ] ); + if ( y != y ) { + printf( "should not return NaN\n" ); + break; + } + } + elapsed = tic() - t; + + if ( y != y ) { + printf( "should not return NaN\n" ); + } + return elapsed; +} + +/** +* Main execution sequence. +*/ +int main( void ) { + double elapsed; + int i; + + /* Seed the random number generator: */ + srand( time( NULL ) ); + + print_version(); + for ( i = 0; i < REPEATS; i++ ) { + printf( "# c::native::%s\n", NAME ); + elapsed = benchmark(); + print_results( elapsed ); + printf( "ok %d benchmark finished\n", i+1 ); + } + print_summary( REPEATS, REPEATS ); +} diff --git a/lib/node_modules/@stdlib/math/base/special/round2f/binding.gyp b/lib/node_modules/@stdlib/math/base/special/round2f/binding.gyp new file mode 100644 index 000000000000..ec3992233442 --- /dev/null +++ b/lib/node_modules/@stdlib/math/base/special/round2f/binding.gyp @@ -0,0 +1,170 @@ +# @license Apache-2.0 +# +# Copyright (c) 2024 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', + + # 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 + }, # 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/math/base/special/round2f/docs/repl.txt b/lib/node_modules/@stdlib/math/base/special/round2f/docs/repl.txt new file mode 100644 index 000000000000..3b5f2c151118 --- /dev/null +++ b/lib/node_modules/@stdlib/math/base/special/round2f/docs/repl.txt @@ -0,0 +1,35 @@ + +{{alias}}( x ) + Rounds a single-precision floating-point number to the + nearest power of two on a linear scale. + + Parameters + ---------- + x: number + Input value. + + Returns + ------- + y: number + Rounded value. + + Examples + -------- + > var y = {{alias}}( 3.14 ) + 4.0 + > y = {{alias}}( -4.2 ) + -4.0 + > y = {{alias}}( -4.6 ) + -4.0 + > y = {{alias}}( 9.5 ) + 8.0 + > y = {{alias}}( 13.0 ) + 16.0 + > y = {{alias}}( -13.0 ) + -16.0 + > y = {{alias}}( -0.0 ) + -0.0 + + See Also + -------- + diff --git a/lib/node_modules/@stdlib/math/base/special/round2f/docs/types/index.d.ts b/lib/node_modules/@stdlib/math/base/special/round2f/docs/types/index.d.ts new file mode 100644 index 000000000000..dacf844ba3e4 --- /dev/null +++ b/lib/node_modules/@stdlib/math/base/special/round2f/docs/types/index.d.ts @@ -0,0 +1,44 @@ +/* +* @license Apache-2.0 +* +* Copyright (c) 2024 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 + +/** +* Rounds a single-precision floating-point number to the nearest power of two on a linear scale. +* +* @param x - input value +* @returns rounded value +* +* @example +* var v = round2f( 3.0 ); +* // returns 4.0 +* +* @example +* var v = round2f( 13.0 ); +* // returns 16.0 +* +* @example +* var v = round2f( -0.3 ); +* // returns -0.25 +*/ +declare function round2f( x: number ): number; + + +// EXPORTS // + +export = round2f; diff --git a/lib/node_modules/@stdlib/math/base/special/round2f/docs/types/test.ts b/lib/node_modules/@stdlib/math/base/special/round2f/docs/types/test.ts new file mode 100644 index 000000000000..42a2c7cf98cc --- /dev/null +++ b/lib/node_modules/@stdlib/math/base/special/round2f/docs/types/test.ts @@ -0,0 +1,44 @@ +/* +* @license Apache-2.0 +* +* Copyright (c) 2024 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 round2f = require( './index' ); + + +// TESTS // + +// The function returns a number... +{ + round2f( 8.78 ); // $ExpectType number +} + +// The compiler throws an error if the function is provided a value other than a number... +{ + round2f( true ); // $ExpectError + round2f( false ); // $ExpectError + round2f( null ); // $ExpectError + round2f( undefined ); // $ExpectError + round2f( '5' ); // $ExpectError + round2f( [] ); // $ExpectError + round2f( {} ); // $ExpectError + round2f( ( x: number ): number => x ); // $ExpectError +} + +// The compiler throws an error if the function is provided insufficient arguments... +{ + round2f(); // $ExpectError +} diff --git a/lib/node_modules/@stdlib/math/base/special/round2f/examples/c/Makefile b/lib/node_modules/@stdlib/math/base/special/round2f/examples/c/Makefile new file mode 100644 index 000000000000..6aed70daf167 --- /dev/null +++ b/lib/node_modules/@stdlib/math/base/special/round2f/examples/c/Makefile @@ -0,0 +1,146 @@ +#/ +# @license Apache-2.0 +# +# Copyright (c) 2024 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/math/base/special/round2f/examples/c/example.c b/lib/node_modules/@stdlib/math/base/special/round2f/examples/c/example.c new file mode 100644 index 000000000000..512d75b0e577 --- /dev/null +++ b/lib/node_modules/@stdlib/math/base/special/round2f/examples/c/example.c @@ -0,0 +1,35 @@ +/** +* @license Apache-2.0 +* +* Copyright (c) 2024 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/math/base/special/round2f.h" +#include + +int main( void ) { + const float x[] = { + -5.0f, -3.89f, -2.78f, -1.67f, -0.56f, + 0.56f, 1.67f, 2.78f, 3.89f, 5.0f + }; + + float v; + int i; + + for ( i = 0; i < 10; i++ ) { + v = stdlib_base_round2f( x[ i ] ); + printf( "round2f(%f) = %f\n", x[ i ], v ); + } +} diff --git a/lib/node_modules/@stdlib/math/base/special/round2f/examples/index.js b/lib/node_modules/@stdlib/math/base/special/round2f/examples/index.js new file mode 100644 index 000000000000..3d7da5cb090a --- /dev/null +++ b/lib/node_modules/@stdlib/math/base/special/round2f/examples/index.js @@ -0,0 +1,38 @@ +/** +* @license Apache-2.0 +* +* Copyright (c) 2018 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 uniform = require( '@stdlib/random/array/uniform' ); +var logEachMap = require( '@stdlib/console/log-each-map' ); +var round2f = require( './../lib' ); + + +// VARIABLES // + +var opts = { + 'dtype': 'float32' +}; +var x = uniform( 100, -50.0, 50.0, opts ); + + +// MAIN // + +logEachMap( 'x: %0.4f. Rounded: %0.4f.', x, round2f ); diff --git a/lib/node_modules/@stdlib/math/base/special/round2f/include.gypi b/lib/node_modules/@stdlib/math/base/special/round2f/include.gypi new file mode 100644 index 000000000000..575cb043c0bf --- /dev/null +++ b/lib/node_modules/@stdlib/math/base/special/round2f/include.gypi @@ -0,0 +1,53 @@ +# @license Apache-2.0 +# +# Copyright (c) 2024 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. +# +# Main documentation: +# +# [1]: https://gyp.gsrc.io/docs/InputFormatReference.md +# [2]: https://gyp.gsrc.io/docs/UserDocumentation.md +{ + # Define variables to be used throughout the configuration for all targets: + 'variables': { + # Source directory: + 'src_dir': './src', + + # Include directories: + 'include_dirs': [ + '=0.10.0", + "npm": ">2.7.0" + }, + "os": [ + "aix", + "darwin", + "freebsd", + "linux", + "macos", + "openbsd", + "sunos", + "win32", + "windows" + ], + "keywords": [ + "stdlib", + "stdmath", + "mathematics", + "math", + "math.round", + "round", + "round2f", + "nextpow2", + "prevpow2", + "nearest", + "float32", + "number" + ], + "__stdlib__": { + "scaffold": { + "$schema": "math/base@v1.0", + "base_alias": "round2f", + "alias": "round2f", + "pkg_desc": "round a single-precision floating-point number to the nearest power of two on a linear scale", + "desc": "rounds a single-precision floating-point number to the nearest power of two on a linear scale", + "short_desc": "", + "parameters": [ + { + "name": "x", + "desc": "input value", + "type": { + "javascript": "number", + "jsdoc": "number", + "c": "float", + "dtype": "float32" + }, + "domain": [ + { + "min": "-infinity", + "max": "infinity" + } + ], + "rand": { + "prng": "random/base/uniform", + "parameters": [ + -10, + 10 + ] + }, + "example_values": [ + 64, + 27, + 0, + 0.1, + -9, + 8, + -1, + 125, + -10.2, + 11.3, + -12.4, + 3.5, + -1.6, + 15.7, + -16, + 17.9, + -188, + 19.11, + -200, + 21.15 + ] + } + ], + "output_policy": "same", + "returns": { + "desc": "function value", + "type": { + "javascript": "number", + "jsdoc": "number", + "c": "float", + "dtype": "float32" + } + }, + "keywords": [ + "round", + "round2f", + "nextpow2", + "prevpow2", + "nearest" + ], + "extra_keywords": [ + "math.round" + ] + } + } +} diff --git a/lib/node_modules/@stdlib/math/base/special/round2f/src/Makefile b/lib/node_modules/@stdlib/math/base/special/round2f/src/Makefile new file mode 100644 index 000000000000..bcf18aa46655 --- /dev/null +++ b/lib/node_modules/@stdlib/math/base/special/round2f/src/Makefile @@ -0,0 +1,70 @@ +#/ +# @license Apache-2.0 +# +# Copyright (c) 2024 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/math/base/special/round2f/src/addon.c b/lib/node_modules/@stdlib/math/base/special/round2f/src/addon.c new file mode 100644 index 000000000000..84714ec8501d --- /dev/null +++ b/lib/node_modules/@stdlib/math/base/special/round2f/src/addon.c @@ -0,0 +1,25 @@ +/** +* @license Apache-2.0 +* +* Copyright (c) 2024 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/math/base/special/round2f.h" +#include "stdlib/math/base/napi/unary.h" + +/* +* Expose `stdlib_base_round2f` as a Node-API unary function. +*/ +STDLIB_MATH_BASE_NAPI_MODULE_F_F( stdlib_base_round2f ) diff --git a/lib/node_modules/@stdlib/math/base/special/round2f/src/main.c b/lib/node_modules/@stdlib/math/base/special/round2f/src/main.c new file mode 100644 index 000000000000..79768dff7c7f --- /dev/null +++ b/lib/node_modules/@stdlib/math/base/special/round2f/src/main.c @@ -0,0 +1,66 @@ +/** +* @license Apache-2.0 +* +* Copyright (c) 2024 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/math/base/special/round2f.h" +#include "stdlib/math/base/assert/is_nanf.h" +#include "stdlib/math/base/assert/is_infinitef.h" +#include "stdlib/math/base/special/frexpf.h" +#include "stdlib/math/base/special/scalbnf.h" + +/** +* Rounds a single-precision floating-point value to the nearest power of two on a linear scale. +* +* @param x input value +* @return rounded value +* +* @example +* float out = stdlib_base_round2f( 3.14f ); +* // returns 4.0f +*/ +float stdlib_base_round2f( const float x ) { + float m; + float y; + float sign; + int e; + + // Handle special cases: + if ( stdlib_base_is_nanf( x ) || stdlib_base_is_infinitef( x ) || x == 0.0f ) { + return x; + } + + // Preserve sign: + if ( x < 0.0f ) { + sign = -1.0f; + m = -x; + } else { + sign = 1.0f; + m = x; + } + + // Decompose: m = frac * 2^e, frac in [0.5, 1): + m = stdlib_base_frexpf( m, &e ); + + // Decide nearest power of two: + if ( m < 0.75f ) { + y = stdlib_base_scalbnf( 1.0f, e-1 ); + } else { + y = stdlib_base_scalbnf( 1.0f, e ); + } + + return sign * y; +} diff --git a/lib/node_modules/@stdlib/math/base/special/round2f/test/test.js b/lib/node_modules/@stdlib/math/base/special/round2f/test/test.js new file mode 100644 index 000000000000..8c636173a64e --- /dev/null +++ b/lib/node_modules/@stdlib/math/base/special/round2f/test/test.js @@ -0,0 +1,123 @@ +/** +* @license Apache-2.0 +* +* Copyright (c) 2024 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 NINF = require( '@stdlib/constants/float32/ninf' ); +var PINF = require( '@stdlib/constants/float32/pinf' ); +var SMALLEST_SUBNORMAL = require( '@stdlib/constants/float32/smallest-subnormal' ); +var isnanf = require( '@stdlib/math/base/assert/is-nanf' ); +var isNegativeZerof = require( '@stdlib/math/base/assert/is-negative-zerof' ); +var isPositiveZerof = require( '@stdlib/math/base/assert/is-positive-zerof' ); +var ldexpf = require( '@stdlib/math/base/special/ldexpf' ); +var round2f = require( './../lib' ); + + +// TESTS // + +tape( 'main export is a function', function test( t ) { + t.ok( true, __filename ); + t.strictEqual( typeof round2f, 'function', 'main export is a function' ); + t.end(); +}); + +tape( 'the function returns `+0` if provided `+0`', function test( t ) { + var v; + + v = round2f( 0.0 ); + t.strictEqual( isPositiveZerof( v ), true, 'returns expected value' ); + + v = round2f( +0.0 ); + t.strictEqual( isPositiveZerof( v ), true, 'returns expected value' ); + + t.end(); +}); + +tape( 'the function returns `-0` if provided `-0`', function test( t ) { + var v = round2f( -0.0 ); + t.strictEqual( isNegativeZerof( v ), true, 'returns expected value' ); + t.end(); +}); + +tape( 'the function returns `NaN` if provided a `NaN`', function test( t ) { + var v = round2f( NaN ); + t.strictEqual( isnanf( v ), true, 'returns expected value' ); + t.end(); +}); + +tape( 'the function returns `+infinity` if provided `+infinity`', function test( t ) { + var v = round2f( PINF ); + t.strictEqual( v, PINF, 'returns expected value' ); + t.end(); +}); + +tape( 'the function returns `-infinity` if provided `-infinity`', function test( t ) { + var v = round2f( NINF ); + t.strictEqual( v, NINF, 'returns expected value' ); + t.end(); +}); + +tape( 'the function returns the smallest subnormal if provided the smallest subnormal', function test( t ) { + var v = round2f( SMALLEST_SUBNORMAL ); + t.strictEqual( v, SMALLEST_SUBNORMAL, 'returns expected value' ); + t.end(); +}); + +tape( 'the function supports rounding large values', function test( t ) { + var x; + var v; + + x = ldexpf( 1.0, 127 ); + v = round2f( x + ( x / 3.0 ) ); + t.strictEqual( v, x, 'returns expected value' ); + + x = -ldexpf( 1.0, 127 ); + v = round2f( x + ( x / 3.0 ) ); + t.strictEqual( v, x, 'returns expected value' ); + + t.end(); +}); + +tape( 'the function rounds a numeric value to the nearest power of two on a linear scale', function test( t ) { + t.strictEqual( round2f( -4.2 ), -4.0, 'returns expected value' ); + t.strictEqual( round2f( -4.5 ), -4.0, 'returns expected value' ); + t.strictEqual( round2f( -4.8 ), -4.0, 'returns expected value' ); + t.strictEqual( round2f( 4.2 ), 4.0, 'returns expected value' ); + t.strictEqual( round2f( 9.99999 ), 8.0, 'returns expected value' ); + t.strictEqual( round2f( 9.5 ), 8.0, 'returns expected value' ); + t.strictEqual( round2f( 9.4 ), 8.0, 'returns expected value' ); + t.strictEqual( round2f( 12.0 ), 16.0, 'returns expected value' ); + t.strictEqual( round2f( -12.0 ), -16.0, 'returns expected value' ); + t.strictEqual( round2f( 13.0 ), 16.0, 'returns expected value' ); + t.strictEqual( round2f( -13.0 ), -16.0, 'returns expected value' ); + t.strictEqual( round2f( 23.0 ), 16.0, 'returns expected value' ); + t.strictEqual( round2f( -23.0 ), -16.0, 'returns expected value' ); + t.strictEqual( round2f( 0.0 ), 0.0, 'returns expected value' ); + t.strictEqual( round2f( 27.0 ), 32.0, 'returns expected value' ); + t.strictEqual( round2f( -27.0 ), -32.0, 'returns expected value' ); + t.strictEqual( round2f( 48.1 ), 64.0, 'returns expected value' ); + t.strictEqual( round2f( -48.1 ), -64.0, 'returns expected value' ); + t.strictEqual( round2f( 0.3 ), 0.25, 'returns expected value' ); + t.strictEqual( round2f( -0.3 ), -0.25, 'returns expected value' ); + t.strictEqual( round2f( 0.45 ), 0.5, 'returns expected value' ); + t.strictEqual( round2f( -0.45 ), -0.5, 'returns expected value' ); + t.end(); +}); diff --git a/lib/node_modules/@stdlib/math/base/special/round2f/test/test.native.js b/lib/node_modules/@stdlib/math/base/special/round2f/test/test.native.js new file mode 100644 index 000000000000..33a3fed9671f --- /dev/null +++ b/lib/node_modules/@stdlib/math/base/special/round2f/test/test.native.js @@ -0,0 +1,104 @@ +/** +* @license Apache-2.0 +* +* Copyright (c) 2024 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 NINF = require( '@stdlib/constants/float32/ninf' ); +var PINF = require( '@stdlib/constants/float32/pinf' ); +var SMALLEST_SUBNORMAL = require( '@stdlib/constants/float32/smallest-subnormal' ); +var isnanf = require( '@stdlib/math/base/assert/is-nanf' ); +var isNegativeZerof = require( '@stdlib/math/base/assert/is-negative-zerof' ); +var isPositiveZerof = require( '@stdlib/math/base/assert/is-positive-zerof' ); +var ldexpf = require( '@stdlib/math/base/special/ldexpf' ); +var tryRequire = require( '@stdlib/utils/try-require' ); + + +// VARIABLES // + +var round2f = tryRequire( resolve( __dirname, './../lib/native.js' ) ); +var opts = { + 'skip': ( round2f instanceof Error ) +}; + + +// TESTS // + +tape( 'main export is a function', opts, function test( t ) { + t.ok( true, __filename ); + t.strictEqual( typeof round2f, 'function', 'main export is a function' ); + t.end(); +}); + +tape( 'returns +0 for +0', opts, function test( t ) { + var v = round2f( +0.0 ); + t.strictEqual( isPositiveZerof( v ), true ); + t.end(); +}); + +tape( 'returns -0 for -0', opts, function test( t ) { + var v = round2f( -0.0 ); + t.strictEqual( isNegativeZerof( v ), true ); + t.end(); +}); + +tape( 'returns NaN for NaN', opts, function test( t ) { + var v = round2f( NaN ); + t.strictEqual( isnanf( v ), true ); + t.end(); +}); + +tape( 'returns infinities unchanged', opts, function test( t ) { + t.strictEqual( round2f( PINF ), PINF ); + t.strictEqual( round2f( NINF ), NINF ); + t.end(); +}); + +tape( 'returns smallest subnormal unchanged', opts, function test( t ) { + var v = round2f( SMALLEST_SUBNORMAL ); + t.strictEqual( v, SMALLEST_SUBNORMAL ); + t.end(); +}); + +tape( 'supports rounding large values', opts, function test( t ) { + var x; + var v; + + x = ldexpf( 1.0, 127 ); + v = round2f( x + ( x / 3.0 ) ); + t.strictEqual( v, x ); + + x = -ldexpf( 1.0, 127 ); + v = round2f( x + ( x / 3.0 ) ); + t.strictEqual( v, x ); + + t.end(); +}); + +tape( 'rounds to nearest power of two', opts, function test( t ) { + t.strictEqual( round2f( 3.0 ), 4.0 ); + t.strictEqual( round2f( 6.0 ), 8.0 ); + t.strictEqual( round2f( 9.5 ), 8.0 ); + t.strictEqual( round2f( 12.0 ), 16.0 ); + t.strictEqual( round2f( 0.3 ), 0.25 ); + t.strictEqual( round2f( -0.3 ), -0.25 ); + t.end(); +}); From 9dfd371b2181f3c5532388731c059644b41aea18 Mon Sep 17 00:00:00 2001 From: Aryan Kumar Date: Sun, 11 Jan 2026 07:30:10 +0000 Subject: [PATCH 2/6] feat: add math/base/special/round2f --- 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: na - task: lint_package_json status: na - task: lint_repl_help status: na - task: lint_javascript_src status: na - task: lint_javascript_cli status: na - task: lint_javascript_examples status: na - task: lint_javascript_tests status: na - task: lint_javascript_benchmarks status: passed - task: lint_python status: na - task: lint_r status: na - task: lint_c_src status: na - task: lint_c_examples status: na - task: lint_c_benchmarks status: na - task: lint_c_tests_fixtures status: na - task: lint_shell status: na - task: lint_typescript_declarations status: passed - task: lint_typescript_tests status: na - task: lint_license_headers status: passed --- --- .../math/base/special/round2f/benchmark/benchmark.native.js | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/lib/node_modules/@stdlib/math/base/special/round2f/benchmark/benchmark.native.js b/lib/node_modules/@stdlib/math/base/special/round2f/benchmark/benchmark.native.js index 187ce398ac54..a0f4abdd1315 100644 --- a/lib/node_modules/@stdlib/math/base/special/round2f/benchmark/benchmark.native.js +++ b/lib/node_modules/@stdlib/math/base/special/round2f/benchmark/benchmark.native.js @@ -25,6 +25,7 @@ var bench = require( '@stdlib/bench' ); var uniform = require( '@stdlib/random/array/uniform' ); var isnanf = require( '@stdlib/math/base/assert/is-nanf' ); var tryRequire = require( '@stdlib/utils/try-require' ); +var format = require( '@stdlib/string/format' ); var pkg = require( './../package.json' ).name; @@ -38,7 +39,7 @@ var opts = { // MAIN // -bench( pkg+'::native', opts, function benchmark( b ) { +bench( format( '%s::native', pkg ), opts, function benchmark( b ) { var x; var y; var i; From 86eb9d0af18146498ba22cc5861f056443d49543 Mon Sep 17 00:00:00 2001 From: Aryan Kumar Date: Sun, 11 Jan 2026 15:03:59 +0000 Subject: [PATCH 3/6] feat: add math/base/special/round2f --- 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: na - task: lint_package_json status: na - task: lint_repl_help status: na - task: lint_javascript_src status: na - task: lint_javascript_cli status: na - task: lint_javascript_examples status: na - task: lint_javascript_tests status: na - task: lint_javascript_benchmarks status: na - task: lint_python status: na - task: lint_r status: na - task: lint_c_src status: missing_dependencies - task: lint_c_examples status: na - task: lint_c_benchmarks status: na - task: lint_c_tests_fixtures status: na - task: lint_shell status: na - task: lint_typescript_declarations status: passed - task: lint_typescript_tests status: na - task: lint_license_headers status: passed --- --- .../round2f/include/stdlib/math/base/special/round2f.h | 7 ++----- .../@stdlib/math/base/special/round2f/manifest.json | 6 +++--- .../@stdlib/math/base/special/round2f/src/main.c | 9 +++++---- 3 files changed, 10 insertions(+), 12 deletions(-) diff --git a/lib/node_modules/@stdlib/math/base/special/round2f/include/stdlib/math/base/special/round2f.h b/lib/node_modules/@stdlib/math/base/special/round2f/include/stdlib/math/base/special/round2f.h index c4cdc5ed0d64..51d90cc60075 100644 --- a/lib/node_modules/@stdlib/math/base/special/round2f/include/stdlib/math/base/special/round2f.h +++ b/lib/node_modules/@stdlib/math/base/special/round2f/include/stdlib/math/base/special/round2f.h @@ -19,9 +19,6 @@ #ifndef STDLIB_MATH_BASE_SPECIAL_ROUND2F_H #define STDLIB_MATH_BASE_SPECIAL_ROUND2F_H -/* -* If C++, prevent name mangling so that the compiler emits a binary file having undecorated names, thus mirroring the behavior of a C compiler. -*/ #ifdef __cplusplus extern "C" { #endif @@ -29,8 +26,8 @@ extern "C" { /** * Rounds a single-precision floating-point value to the nearest power of two on a linear scale. * -* @param x input value -* @return rounded value +* @param x input value +* @return rounded value */ float stdlib_base_round2f( const float x ); diff --git a/lib/node_modules/@stdlib/math/base/special/round2f/manifest.json b/lib/node_modules/@stdlib/math/base/special/round2f/manifest.json index 87126137abd6..4c34ee487e22 100644 --- a/lib/node_modules/@stdlib/math/base/special/round2f/manifest.json +++ b/lib/node_modules/@stdlib/math/base/special/round2f/manifest.json @@ -40,7 +40,7 @@ "@stdlib/math/base/assert/is-nanf", "@stdlib/math/base/assert/is-infinitef", "@stdlib/math/base/special/frexpf", - "@stdlib/math/base/special/scalbnf" + "@stdlib/math/base/special/ldexpf" ] }, { @@ -57,7 +57,7 @@ "@stdlib/math/base/assert/is-nanf", "@stdlib/math/base/assert/is-infinitef", "@stdlib/math/base/special/frexpf", - "@stdlib/math/base/special/scalbnf" + "@stdlib/math/base/special/ldexpf" ] }, { @@ -74,7 +74,7 @@ "@stdlib/math/base/assert/is-nanf", "@stdlib/math/base/assert/is-infinitef", "@stdlib/math/base/special/frexpf", - "@stdlib/math/base/special/scalbnf" + "@stdlib/math/base/special/ldexpf" ] } ] diff --git a/lib/node_modules/@stdlib/math/base/special/round2f/src/main.c b/lib/node_modules/@stdlib/math/base/special/round2f/src/main.c index 79768dff7c7f..61d4ed727f9d 100644 --- a/lib/node_modules/@stdlib/math/base/special/round2f/src/main.c +++ b/lib/node_modules/@stdlib/math/base/special/round2f/src/main.c @@ -20,10 +20,11 @@ #include "stdlib/math/base/assert/is_nanf.h" #include "stdlib/math/base/assert/is_infinitef.h" #include "stdlib/math/base/special/frexpf.h" -#include "stdlib/math/base/special/scalbnf.h" +#include "stdlib/math/base/special/ldexpf.h" /** -* Rounds a single-precision floating-point value to the nearest power of two on a linear scale. +* Rounds a single-precision floating-point value to the nearest power of two +* on a linear scale. * * @param x input value * @return rounded value @@ -57,9 +58,9 @@ float stdlib_base_round2f( const float x ) { // Decide nearest power of two: if ( m < 0.75f ) { - y = stdlib_base_scalbnf( 1.0f, e-1 ); + y = stdlib_base_ldexpf( 1.0f, e-1 ); } else { - y = stdlib_base_scalbnf( 1.0f, e ); + y = stdlib_base_ldexpf( 1.0f, e ); } return sign * y; From 81644b0ca3a8f5fc2aa440c2677b58dd31041965 Mon Sep 17 00:00:00 2001 From: Aryan Kumar Date: Sun, 11 Jan 2026 15:15:03 +0000 Subject: [PATCH 4/6] fix: correct round2f implementation --- 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: na - task: lint_package_json status: na - task: lint_repl_help status: na - task: lint_javascript_src status: na - task: lint_javascript_cli status: na - task: lint_javascript_examples status: na - task: lint_javascript_tests status: na - task: lint_javascript_benchmarks status: na - task: lint_python status: na - task: lint_r status: na - task: lint_c_src status: missing_dependencies - task: lint_c_examples status: na - task: lint_c_benchmarks status: na - task: lint_c_tests_fixtures status: na - task: lint_shell status: na - task: lint_typescript_declarations status: passed - task: lint_typescript_tests status: na - task: lint_license_headers status: passed --- --- .../math/base/special/round2f/src/main.c | 18 +++++++++--------- 1 file changed, 9 insertions(+), 9 deletions(-) diff --git a/lib/node_modules/@stdlib/math/base/special/round2f/src/main.c b/lib/node_modules/@stdlib/math/base/special/round2f/src/main.c index 61d4ed727f9d..cf87f43c9cd6 100644 --- a/lib/node_modules/@stdlib/math/base/special/round2f/src/main.c +++ b/lib/node_modules/@stdlib/math/base/special/round2f/src/main.c @@ -22,6 +22,8 @@ #include "stdlib/math/base/special/frexpf.h" #include "stdlib/math/base/special/ldexpf.h" +#include + /** * Rounds a single-precision floating-point value to the nearest power of two * on a linear scale. @@ -34,10 +36,10 @@ * // returns 4.0f */ float stdlib_base_round2f( const float x ) { - float m; + float frac; float y; float sign; - int e; + int32_t exp; // Handle special cases: if ( stdlib_base_is_nanf( x ) || stdlib_base_is_infinitef( x ) || x == 0.0f ) { @@ -47,20 +49,18 @@ float stdlib_base_round2f( const float x ) { // Preserve sign: if ( x < 0.0f ) { sign = -1.0f; - m = -x; } else { sign = 1.0f; - m = x; } - // Decompose: m = frac * 2^e, frac in [0.5, 1): - m = stdlib_base_frexpf( m, &e ); + // Decompose |x| = frac * 2^exp, frac in [0.5, 1): + stdlib_base_frexpf( sign * x, &frac, &exp ); // Decide nearest power of two: - if ( m < 0.75f ) { - y = stdlib_base_ldexpf( 1.0f, e-1 ); + if ( frac < 0.75f ) { + y = stdlib_base_ldexpf( 1.0f, exp-1 ); } else { - y = stdlib_base_ldexpf( 1.0f, e ); + y = stdlib_base_ldexpf( 1.0f, exp ); } return sign * y; From 189d048c8dba923258225ef989c46ca218719733 Mon Sep 17 00:00:00 2001 From: stdlib-bot <82920195+stdlib-bot@users.noreply.github.com> Date: Sun, 11 Jan 2026 15:22:33 +0000 Subject: [PATCH 5/6] chore: update copyright years --- lib/node_modules/@stdlib/math/base/special/round2f/README.md | 2 +- .../@stdlib/math/base/special/round2f/benchmark/benchmark.js | 2 +- .../math/base/special/round2f/benchmark/benchmark.native.js | 2 +- .../math/base/special/round2f/benchmark/c/native/Makefile | 2 +- .../math/base/special/round2f/benchmark/c/native/benchmark.c | 2 +- lib/node_modules/@stdlib/math/base/special/round2f/binding.gyp | 2 +- .../@stdlib/math/base/special/round2f/docs/types/index.d.ts | 2 +- .../@stdlib/math/base/special/round2f/docs/types/test.ts | 2 +- .../@stdlib/math/base/special/round2f/examples/c/Makefile | 2 +- .../@stdlib/math/base/special/round2f/examples/c/example.c | 2 +- .../@stdlib/math/base/special/round2f/examples/index.js | 2 +- lib/node_modules/@stdlib/math/base/special/round2f/include.gypi | 2 +- .../special/round2f/include/stdlib/math/base/special/round2f.h | 2 +- lib/node_modules/@stdlib/math/base/special/round2f/lib/index.js | 2 +- lib/node_modules/@stdlib/math/base/special/round2f/lib/main.js | 2 +- .../@stdlib/math/base/special/round2f/lib/native.js | 2 +- lib/node_modules/@stdlib/math/base/special/round2f/src/Makefile | 2 +- lib/node_modules/@stdlib/math/base/special/round2f/src/addon.c | 2 +- lib/node_modules/@stdlib/math/base/special/round2f/src/main.c | 2 +- lib/node_modules/@stdlib/math/base/special/round2f/test/test.js | 2 +- .../@stdlib/math/base/special/round2f/test/test.native.js | 2 +- 21 files changed, 21 insertions(+), 21 deletions(-) diff --git a/lib/node_modules/@stdlib/math/base/special/round2f/README.md b/lib/node_modules/@stdlib/math/base/special/round2f/README.md index 871199f27e47..2490fb420115 100644 --- a/lib/node_modules/@stdlib/math/base/special/round2f/README.md +++ b/lib/node_modules/@stdlib/math/base/special/round2f/README.md @@ -2,7 +2,7 @@ @license Apache-2.0 -Copyright (c) 2018 The Stdlib Authors. +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. diff --git a/lib/node_modules/@stdlib/math/base/special/round2f/benchmark/benchmark.js b/lib/node_modules/@stdlib/math/base/special/round2f/benchmark/benchmark.js index d648d51812d7..346993de2db8 100644 --- a/lib/node_modules/@stdlib/math/base/special/round2f/benchmark/benchmark.js +++ b/lib/node_modules/@stdlib/math/base/special/round2f/benchmark/benchmark.js @@ -1,7 +1,7 @@ /** * @license Apache-2.0 * -* Copyright (c) 2024 The Stdlib Authors. +* 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. diff --git a/lib/node_modules/@stdlib/math/base/special/round2f/benchmark/benchmark.native.js b/lib/node_modules/@stdlib/math/base/special/round2f/benchmark/benchmark.native.js index a0f4abdd1315..f353e8f306f3 100644 --- a/lib/node_modules/@stdlib/math/base/special/round2f/benchmark/benchmark.native.js +++ b/lib/node_modules/@stdlib/math/base/special/round2f/benchmark/benchmark.native.js @@ -1,7 +1,7 @@ /** * @license Apache-2.0 * -* Copyright (c) 2024 The Stdlib Authors. +* 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. diff --git a/lib/node_modules/@stdlib/math/base/special/round2f/benchmark/c/native/Makefile b/lib/node_modules/@stdlib/math/base/special/round2f/benchmark/c/native/Makefile index f69e9da2b4d3..979768abbcec 100644 --- a/lib/node_modules/@stdlib/math/base/special/round2f/benchmark/c/native/Makefile +++ b/lib/node_modules/@stdlib/math/base/special/round2f/benchmark/c/native/Makefile @@ -1,7 +1,7 @@ #/ # @license Apache-2.0 # -# Copyright (c) 2024 The Stdlib Authors. +# 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. diff --git a/lib/node_modules/@stdlib/math/base/special/round2f/benchmark/c/native/benchmark.c b/lib/node_modules/@stdlib/math/base/special/round2f/benchmark/c/native/benchmark.c index effc7186101f..eecec753569d 100644 --- a/lib/node_modules/@stdlib/math/base/special/round2f/benchmark/c/native/benchmark.c +++ b/lib/node_modules/@stdlib/math/base/special/round2f/benchmark/c/native/benchmark.c @@ -1,7 +1,7 @@ /** * @license Apache-2.0 * -* Copyright (c) 2024 The Stdlib Authors. +* 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. diff --git a/lib/node_modules/@stdlib/math/base/special/round2f/binding.gyp b/lib/node_modules/@stdlib/math/base/special/round2f/binding.gyp index ec3992233442..0d6508a12e99 100644 --- a/lib/node_modules/@stdlib/math/base/special/round2f/binding.gyp +++ b/lib/node_modules/@stdlib/math/base/special/round2f/binding.gyp @@ -1,6 +1,6 @@ # @license Apache-2.0 # -# Copyright (c) 2024 The Stdlib Authors. +# 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. diff --git a/lib/node_modules/@stdlib/math/base/special/round2f/docs/types/index.d.ts b/lib/node_modules/@stdlib/math/base/special/round2f/docs/types/index.d.ts index dacf844ba3e4..7aa24a697854 100644 --- a/lib/node_modules/@stdlib/math/base/special/round2f/docs/types/index.d.ts +++ b/lib/node_modules/@stdlib/math/base/special/round2f/docs/types/index.d.ts @@ -1,7 +1,7 @@ /* * @license Apache-2.0 * -* Copyright (c) 2024 The Stdlib Authors. +* 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. diff --git a/lib/node_modules/@stdlib/math/base/special/round2f/docs/types/test.ts b/lib/node_modules/@stdlib/math/base/special/round2f/docs/types/test.ts index 42a2c7cf98cc..438156fd022d 100644 --- a/lib/node_modules/@stdlib/math/base/special/round2f/docs/types/test.ts +++ b/lib/node_modules/@stdlib/math/base/special/round2f/docs/types/test.ts @@ -1,7 +1,7 @@ /* * @license Apache-2.0 * -* Copyright (c) 2024 The Stdlib Authors. +* 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. diff --git a/lib/node_modules/@stdlib/math/base/special/round2f/examples/c/Makefile b/lib/node_modules/@stdlib/math/base/special/round2f/examples/c/Makefile index 6aed70daf167..c8f8e9a1517b 100644 --- a/lib/node_modules/@stdlib/math/base/special/round2f/examples/c/Makefile +++ b/lib/node_modules/@stdlib/math/base/special/round2f/examples/c/Makefile @@ -1,7 +1,7 @@ #/ # @license Apache-2.0 # -# Copyright (c) 2024 The Stdlib Authors. +# 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. diff --git a/lib/node_modules/@stdlib/math/base/special/round2f/examples/c/example.c b/lib/node_modules/@stdlib/math/base/special/round2f/examples/c/example.c index 512d75b0e577..a191efbd44bc 100644 --- a/lib/node_modules/@stdlib/math/base/special/round2f/examples/c/example.c +++ b/lib/node_modules/@stdlib/math/base/special/round2f/examples/c/example.c @@ -1,7 +1,7 @@ /** * @license Apache-2.0 * -* Copyright (c) 2024 The Stdlib Authors. +* 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. diff --git a/lib/node_modules/@stdlib/math/base/special/round2f/examples/index.js b/lib/node_modules/@stdlib/math/base/special/round2f/examples/index.js index 3d7da5cb090a..a01f777086dc 100644 --- a/lib/node_modules/@stdlib/math/base/special/round2f/examples/index.js +++ b/lib/node_modules/@stdlib/math/base/special/round2f/examples/index.js @@ -1,7 +1,7 @@ /** * @license Apache-2.0 * -* Copyright (c) 2018 The Stdlib Authors. +* 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. diff --git a/lib/node_modules/@stdlib/math/base/special/round2f/include.gypi b/lib/node_modules/@stdlib/math/base/special/round2f/include.gypi index 575cb043c0bf..bee8d41a2caf 100644 --- a/lib/node_modules/@stdlib/math/base/special/round2f/include.gypi +++ b/lib/node_modules/@stdlib/math/base/special/round2f/include.gypi @@ -1,6 +1,6 @@ # @license Apache-2.0 # -# Copyright (c) 2024 The Stdlib Authors. +# 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. diff --git a/lib/node_modules/@stdlib/math/base/special/round2f/include/stdlib/math/base/special/round2f.h b/lib/node_modules/@stdlib/math/base/special/round2f/include/stdlib/math/base/special/round2f.h index 51d90cc60075..d75da91c31cc 100644 --- a/lib/node_modules/@stdlib/math/base/special/round2f/include/stdlib/math/base/special/round2f.h +++ b/lib/node_modules/@stdlib/math/base/special/round2f/include/stdlib/math/base/special/round2f.h @@ -1,7 +1,7 @@ /** * @license Apache-2.0 * -* Copyright (c) 2024 The Stdlib Authors. +* 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. diff --git a/lib/node_modules/@stdlib/math/base/special/round2f/lib/index.js b/lib/node_modules/@stdlib/math/base/special/round2f/lib/index.js index 9b2c37c79017..6dae58226015 100644 --- a/lib/node_modules/@stdlib/math/base/special/round2f/lib/index.js +++ b/lib/node_modules/@stdlib/math/base/special/round2f/lib/index.js @@ -1,7 +1,7 @@ /** * @license Apache-2.0 * -* Copyright (c) 2018 The Stdlib Authors. +* 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. diff --git a/lib/node_modules/@stdlib/math/base/special/round2f/lib/main.js b/lib/node_modules/@stdlib/math/base/special/round2f/lib/main.js index bf6d3c973de7..34273cec82eb 100644 --- a/lib/node_modules/@stdlib/math/base/special/round2f/lib/main.js +++ b/lib/node_modules/@stdlib/math/base/special/round2f/lib/main.js @@ -1,7 +1,7 @@ /** * @license Apache-2.0 * -* Copyright (c) 2018 The Stdlib Authors. +* 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. diff --git a/lib/node_modules/@stdlib/math/base/special/round2f/lib/native.js b/lib/node_modules/@stdlib/math/base/special/round2f/lib/native.js index 551a642085f2..17e7b17f7810 100644 --- a/lib/node_modules/@stdlib/math/base/special/round2f/lib/native.js +++ b/lib/node_modules/@stdlib/math/base/special/round2f/lib/native.js @@ -1,7 +1,7 @@ /** * @license Apache-2.0 * -* Copyright (c) 2024 The Stdlib Authors. +* 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. diff --git a/lib/node_modules/@stdlib/math/base/special/round2f/src/Makefile b/lib/node_modules/@stdlib/math/base/special/round2f/src/Makefile index bcf18aa46655..2caf905cedbe 100644 --- a/lib/node_modules/@stdlib/math/base/special/round2f/src/Makefile +++ b/lib/node_modules/@stdlib/math/base/special/round2f/src/Makefile @@ -1,7 +1,7 @@ #/ # @license Apache-2.0 # -# Copyright (c) 2024 The Stdlib Authors. +# 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. diff --git a/lib/node_modules/@stdlib/math/base/special/round2f/src/addon.c b/lib/node_modules/@stdlib/math/base/special/round2f/src/addon.c index 84714ec8501d..06212282af34 100644 --- a/lib/node_modules/@stdlib/math/base/special/round2f/src/addon.c +++ b/lib/node_modules/@stdlib/math/base/special/round2f/src/addon.c @@ -1,7 +1,7 @@ /** * @license Apache-2.0 * -* Copyright (c) 2024 The Stdlib Authors. +* 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. diff --git a/lib/node_modules/@stdlib/math/base/special/round2f/src/main.c b/lib/node_modules/@stdlib/math/base/special/round2f/src/main.c index cf87f43c9cd6..7bda3e808bfa 100644 --- a/lib/node_modules/@stdlib/math/base/special/round2f/src/main.c +++ b/lib/node_modules/@stdlib/math/base/special/round2f/src/main.c @@ -1,7 +1,7 @@ /** * @license Apache-2.0 * -* Copyright (c) 2024 The Stdlib Authors. +* 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. diff --git a/lib/node_modules/@stdlib/math/base/special/round2f/test/test.js b/lib/node_modules/@stdlib/math/base/special/round2f/test/test.js index 8c636173a64e..353f233067b1 100644 --- a/lib/node_modules/@stdlib/math/base/special/round2f/test/test.js +++ b/lib/node_modules/@stdlib/math/base/special/round2f/test/test.js @@ -1,7 +1,7 @@ /** * @license Apache-2.0 * -* Copyright (c) 2024 The Stdlib Authors. +* 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. diff --git a/lib/node_modules/@stdlib/math/base/special/round2f/test/test.native.js b/lib/node_modules/@stdlib/math/base/special/round2f/test/test.native.js index 33a3fed9671f..a0820585ac0e 100644 --- a/lib/node_modules/@stdlib/math/base/special/round2f/test/test.native.js +++ b/lib/node_modules/@stdlib/math/base/special/round2f/test/test.native.js @@ -1,7 +1,7 @@ /** * @license Apache-2.0 * -* Copyright (c) 2024 The Stdlib Authors. +* 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. From bc5e16dc5ab5c39eb1eb38c3626c5f5173fde18b Mon Sep 17 00:00:00 2001 From: Aryan Kumar Date: Mon, 12 Jan 2026 18:02:01 +0000 Subject: [PATCH 6/6] fix: align round2f C style and native tests with stdlib conventions --- 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: na - task: lint_package_json status: na - task: lint_repl_help status: na - task: lint_javascript_src status: na - task: lint_javascript_cli status: na - task: lint_javascript_examples status: na - task: lint_javascript_tests status: passed - task: lint_javascript_benchmarks status: na - task: lint_python status: na - task: lint_r status: na - task: lint_c_src status: missing_dependencies - task: lint_c_examples status: na - task: lint_c_benchmarks status: na - task: lint_c_tests_fixtures status: na - task: lint_shell status: na - task: lint_typescript_declarations status: passed - task: lint_typescript_tests status: na - task: lint_license_headers status: passed --- --- .../math/base/special/round2f/src/main.c | 4 +-- .../base/special/round2f/test/test.native.js | 29 +++++++++---------- 2 files changed, 16 insertions(+), 17 deletions(-) diff --git a/lib/node_modules/@stdlib/math/base/special/round2f/src/main.c b/lib/node_modules/@stdlib/math/base/special/round2f/src/main.c index 7bda3e808bfa..4b5e29b68d8a 100644 --- a/lib/node_modules/@stdlib/math/base/special/round2f/src/main.c +++ b/lib/node_modules/@stdlib/math/base/special/round2f/src/main.c @@ -36,10 +36,10 @@ * // returns 4.0f */ float stdlib_base_round2f( const float x ) { + int32_t exp; float frac; - float y; float sign; - int32_t exp; + float y; // Handle special cases: if ( stdlib_base_is_nanf( x ) || stdlib_base_is_infinitef( x ) || x == 0.0f ) { diff --git a/lib/node_modules/@stdlib/math/base/special/round2f/test/test.native.js b/lib/node_modules/@stdlib/math/base/special/round2f/test/test.native.js index a0820585ac0e..d68a66c0c2f8 100644 --- a/lib/node_modules/@stdlib/math/base/special/round2f/test/test.native.js +++ b/lib/node_modules/@stdlib/math/base/special/round2f/test/test.native.js @@ -50,31 +50,31 @@ tape( 'main export is a function', opts, function test( t ) { tape( 'returns +0 for +0', opts, function test( t ) { var v = round2f( +0.0 ); - t.strictEqual( isPositiveZerof( v ), true ); + t.strictEqual( isPositiveZerof( v ), true, 'returns expected value' ); t.end(); }); tape( 'returns -0 for -0', opts, function test( t ) { var v = round2f( -0.0 ); - t.strictEqual( isNegativeZerof( v ), true ); + t.strictEqual( isNegativeZerof( v ), true, 'returns expected value' ); t.end(); }); tape( 'returns NaN for NaN', opts, function test( t ) { var v = round2f( NaN ); - t.strictEqual( isnanf( v ), true ); + t.strictEqual( isnanf( v ), true, 'returns expected value' ); t.end(); }); tape( 'returns infinities unchanged', opts, function test( t ) { - t.strictEqual( round2f( PINF ), PINF ); - t.strictEqual( round2f( NINF ), NINF ); + t.strictEqual( round2f( PINF ), PINF, 'returns expected value' ); + t.strictEqual( round2f( NINF ), NINF, 'returns expected value' ); t.end(); }); tape( 'returns smallest subnormal unchanged', opts, function test( t ) { var v = round2f( SMALLEST_SUBNORMAL ); - t.strictEqual( v, SMALLEST_SUBNORMAL ); + t.strictEqual( v, SMALLEST_SUBNORMAL, 'returns expected value' ); t.end(); }); @@ -84,21 +84,20 @@ tape( 'supports rounding large values', opts, function test( t ) { x = ldexpf( 1.0, 127 ); v = round2f( x + ( x / 3.0 ) ); - t.strictEqual( v, x ); + t.strictEqual( v, x, 'returns expected value' ); x = -ldexpf( 1.0, 127 ); v = round2f( x + ( x / 3.0 ) ); - t.strictEqual( v, x ); - + t.strictEqual( v, x, 'returns expected value' ); t.end(); }); tape( 'rounds to nearest power of two', opts, function test( t ) { - t.strictEqual( round2f( 3.0 ), 4.0 ); - t.strictEqual( round2f( 6.0 ), 8.0 ); - t.strictEqual( round2f( 9.5 ), 8.0 ); - t.strictEqual( round2f( 12.0 ), 16.0 ); - t.strictEqual( round2f( 0.3 ), 0.25 ); - t.strictEqual( round2f( -0.3 ), -0.25 ); + t.strictEqual( round2f( 3.0 ), 4.0, 'returns expected value' ); + t.strictEqual( round2f( 6.0 ), 8.0, 'returns expected value' ); + t.strictEqual( round2f( 9.5 ), 8.0, 'returns expected value' ); + t.strictEqual( round2f( 12.0 ), 16.0, 'returns expected value' ); + t.strictEqual( round2f( 0.3 ), 0.25, 'returns expected value' ); + t.strictEqual( round2f( -0.3 ), -0.25, 'returns expected value' ); t.end(); });