NumCpp  2.12.1
A Templatized Header Only C++ Implementation of the Python NumPy Library
isnan.hpp
Go to the documentation of this file.
1
28#pragma once
29
30#include <cmath>
31
34#include "NumCpp/NdArray.hpp"
35
36namespace nc
37{
38 //============================================================================
39 // Method Description:
48 template<typename dtype>
49 bool isnan(dtype inValue) noexcept
50 {
52
54 {
55 return false;
56 }
57
58 return std::isnan(static_cast<double>(inValue)); // static_cast is needed for compiler error
59 }
60
61 //============================================================================
62 // Method Description:
71 template<typename dtype>
73 {
74 NdArray<bool> returnArray(inArray.shape());
76 inArray.cend(),
77 returnArray.begin(),
78 [](dtype inValue) noexcept -> bool { return isnan(inValue); });
79
80 return returnArray;
81 }
82} // namespace nc
#define STATIC_ASSERT_ARITHMETIC(dtype)
Definition: StaticAsserts.hpp:39
Holds info about the dtype.
Definition: DtypeInfo.hpp:41
const_iterator cbegin() const noexcept
Definition: NdArrayCore.hpp:1365
const Shape & shape() const noexcept
Definition: NdArrayCore.hpp:4511
const_iterator cend() const noexcept
Definition: NdArrayCore.hpp:1673
iterator begin() noexcept
Definition: NdArrayCore.hpp:1315
OutputIt transform(InputIt first, InputIt last, OutputIt destination, UnaryOperation unaryFunction)
Definition: StlAlgorithms.hpp:775
Definition: Cartesian.hpp:40
NdArray< bool > isnan(const NdArray< dtype > &inArray)
Definition: isnan.hpp:72
bool isnan(dtype inValue) noexcept
Definition: isnan.hpp:49