NumCpp  2.4.0
A Templatized Header Only C++ Implementation of the Python NumPy Library
signbit.hpp
Go to the documentation of this file.
1 #pragma once
29 
32 #include "NumCpp/NdArray.hpp"
33 
34 namespace nc
35 {
36  //============================================================================
37  // Method Description:
47  template<typename dtype>
48  bool signbit(dtype inValue) noexcept
49  {
51 
52  return inValue < dtype{ 0 } ? true : false;
53  }
54 
55  //============================================================================
56  // Method Description:
66  template<typename dtype>
68  {
69  NdArray<bool> returnArray(inArray.shape());
70  stl_algorithms::transform(inArray.cbegin(), inArray.cend(), returnArray.begin(),
71  [](dtype inValue) noexcept -> bool
72  {
73  return signbit(inValue);
74  });
75 
76  return returnArray;
77  }
78 } // namespace nc
StaticAsserts.hpp
nc::NdArray::shape
Shape shape() const noexcept
Definition: NdArrayCore.hpp:4356
STATIC_ASSERT_ARITHMETIC
#define STATIC_ASSERT_ARITHMETIC(dtype)
Definition: StaticAsserts.hpp:37
nc::NdArray< bool >
nc::stl_algorithms::transform
OutputIt transform(InputIt first, InputIt last, OutputIt destination, UnaryOperation unaryFunction)
Definition: StlAlgorithms.hpp:702
NdArray.hpp
nc::NdArray::cend
const_iterator cend() const noexcept
Definition: NdArrayCore.hpp:1487
nc
Definition: Coordinate.hpp:44
nc::NdArray::cbegin
const_iterator cbegin() const noexcept
Definition: NdArrayCore.hpp:1143
StlAlgorithms.hpp
nc::NdArray::begin
iterator begin() noexcept
Definition: NdArrayCore.hpp:1087
nc::signbit
bool signbit(dtype inValue) noexcept
Definition: signbit.hpp:48