FEAT: Add support for copy and constructing af.array from another array

Author: pavanky

arrayfire/array.py

@@ -96,6 +96,10 @@ def __init__(self, src=None, dims=(0,)):
 
         if src is not None:
 
+            if (isinstance(src, array)):
+                safe_call(clib.af_retain_array(ct.pointer(self.arr), src.arr))
+                return
+
             host = __import__("array")
 
             if isinstance(src, host.array):
@@ -124,6 +128,11 @@ def __init__(self, src=None, dims=(0,)):
 
             self.arr = create_array(buf, numdims, idims, dtype)
 
+    def copy(self):
+        out = array()
+        safe_call(clib.af_retain_array(ct.pointer(out.arr), self.arr))
+        return out
+
     def __del__(self):
         if (self.arr.value != 0):
             clib.af_release_array(self.arr)

tests/simple_array.py

@@ -32,3 +32,9 @@
 print(a.is_empty(), a.is_scalar(), a.is_column(), a.is_row())
 print(a.is_complex(), a.is_real(), a.is_double(), a.is_single())
 print(a.is_real_floating(), a.is_floating(), a.is_integer(), a.is_bool())
+
+b = af.array(a)
+af.print_array(b)
+
+c = a.copy()
+af.print_array(c)