Resolved neg() error, created base num_funcs tests

Fixed an error that only allowed for one dtype for negative class. Exploring how to resolve other runtime errors for hypotenuse and need to fill in all dtype testing for clamping func.

Author: AzeezIsh

arrayfire_wrapper/lib/mathematical_functions/numeric_functions.py

@@ -7,6 +7,10 @@
 from arrayfire_wrapper.lib.mathematical_functions.arithmetic_operations import sub
 
 
+import arrayfire_wrapper.dtypes as dtype
+import arrayfire_wrapper.lib as wrapper
+
+
 def abs_(arr: AFArray, /) -> AFArray:
     """
     source: https://arrayfire.org/docs/group__arith__func__abs.htm#ga7e8b3c848e6cda3d1f3b0c8b2b4c3f8f
@@ -75,7 +79,7 @@ def mod(lhs: AFArray, rhs: AFArray, /) -> AFArray:
 
 
 def neg(arr: AFArray) -> AFArray:
-    return sub(create_constant_array(0, (1,), float32), arr)
+    return sub(create_constant_array(0, (1,), dtype.c_api_value_to_dtype(wrapper.get_type(arr))), arr)
 
 
 def rem(lhs: AFArray, rhs: AFArray, /) -> AFArray: