NumCpp  2.7.0
A Templatized Header Only C++ Implementation of the Python NumPy Library
arctan2.hpp
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1 #pragma once
29 
33 #include "NumCpp/NdArray.hpp"
34 
35 #include <cmath>
36 #include <string>
37 
38 namespace nc
39 {
40  //============================================================================
41  // Method Description:
50  template<typename dtype>
51  auto arctan2(dtype inY, dtype inX) noexcept
52  {
54 
55  return std::atan2(inY, inX);
56  }
57 
58  //============================================================================
59  // Method Description:
68  template<typename dtype>
69  auto arctan2(const NdArray<dtype>& inY, const NdArray<dtype>& inX)
70  {
71  if (inX.shape() != inY.shape())
72  {
73  THROW_INVALID_ARGUMENT_ERROR("input array shapes are not consistant.");
74  }
75 
76  NdArray<decltype(arctan2(dtype{0}, dtype{0}))> returnArray(inY.shape());
77  stl_algorithms::transform(inY.cbegin(), inY.cend(), inX.cbegin(), returnArray.begin(),
78  [](dtype y, dtype x) noexcept -> auto
79  {
80  return arctan2(y, x);
81  });
82 
83  return returnArray;
84  }
85 } // namespace nc
#define THROW_INVALID_ARGUMENT_ERROR(msg)
Definition: Error.hpp:36
#define STATIC_ASSERT_ARITHMETIC(dtype)
Definition: StaticAsserts.hpp:37
Holds 1D and 2D arrays, the main work horse of the NumCpp library.
Definition: NdArrayCore.hpp:72
const_iterator cbegin() const noexcept
Definition: NdArrayCore.hpp:1216
Shape shape() const noexcept
Definition: NdArrayCore.hpp:4283
const_iterator cend() const noexcept
Definition: NdArrayCore.hpp:1524
iterator begin() noexcept
Definition: NdArrayCore.hpp:1166
OutputIt transform(InputIt first, InputIt last, OutputIt destination, UnaryOperation unaryFunction)
Definition: StlAlgorithms.hpp:702
Definition: Coordinate.hpp:45
auto arctan2(dtype inY, dtype inX) noexcept
Definition: arctan2.hpp:51