Replace nan with NaN

Author: antonwolfy

dpnp/dpnp_iface_mathematical.py

@@ -3495,7 +3495,7 @@ def nan_to_num(x, copy=True, nan=0.0, posinf=None, neginf=None):
 >>> a ** b
 array([ 0,  1,  8, 27, 16,  5])
 
-Negative values raised to a non-integral value will result in ``nan``.
+Negative values raised to a non-integral value will result in ``NaN``.
 
 >>> d = dp.array([-1.0, -4.0])
 >>> dp.power(d, 1.5)

dpnp/dpnp_iface_trigonometric.py

@@ -241,7 +241,7 @@ def _get_accumulation_res_dt(a, dtype):
 
 For real-valued input data types, :obj:`dpnp.arccosh` always returns real output.
 For each value that cannot be expressed as a real number or infinity, it yields
-``nan``.
+``NaN``.
 
 For complex-valued input, :obj:`dpnp.arccosh` is a complex analytic function that
 has, by convention, the branch cuts `[-inf, 1]` and is continuous from above.
@@ -322,7 +322,7 @@ def _get_accumulation_res_dt(a, dtype):
 
 For real-valued input data types, :obj:`dpnp.arcsin` always returns real output.
 For each value that cannot be expressed as a real number or infinity, it yields
-``nan``.
+``NaN``.
 
 For complex-valued input, :obj:`dpnp.arcsin` is a complex analytic function that
 has, by convention, the branch cuts `[-inf, -1]` and `[1, inf]` and is continuous
@@ -401,7 +401,7 @@ def _get_accumulation_res_dt(a, dtype):
 
 For real-valued input data types, :obj:`dpnp.arcsinh` always returns real output.
 For each value that cannot be expressed as a real number or infinity, it yields
-``nan``.
+``NaN``.
 
 For complex-valued input, :obj:`dpnp.arcsinh` is a complex analytic function that
 has, by convention, the branch cuts `[1j, infj]` and `[`1j, -infj]` and is continuous
@@ -483,7 +483,7 @@ def _get_accumulation_res_dt(a, dtype):
 
 For real-valued input data types, :obj:`dpnp.arctan` always returns real output.
 For each value that cannot be expressed as a real number or infinity, it yields
-``nan``.
+``NaN``.
 
 For complex-valued input, :obj:`dpnp.arctan` is a complex analytic function that
 has, by convention, the branch cuts `[1j, infj]` and `[-1j, -infj]`  and is continuous
@@ -649,7 +649,7 @@ def _get_accumulation_res_dt(a, dtype):
 
 For real-valued input data types, :obj:`dpnp.arctanh` always returns real output.
 For each value that cannot be expressed as a real number or infinity, it yields
-``nan``.
+``NaN``.
 
 For complex-valued input, :obj:`dpnp.arctanh` is a complex analytic function that
 has, by convention, the branch cuts `[-1, -inf]` and `[1, inf]` and is is continuous