NumCpp  2.11.0
A Templatized Header Only C++ Implementation of the Python NumPy Library
arctan2.hpp
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1 #pragma once
29 
30 #include <cmath>
31 #include <string>
32 
36 #include "NumCpp/NdArray.hpp"
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());
78  inY.cbegin(),
79  inY.cend(),
80  inX.cbegin(),
81  returnArray.begin(),
82  [](dtype y, dtype x) noexcept -> auto{ return arctan2(y, x); });
83 
84  return returnArray;
85  }
86 } // namespace nc
#define THROW_INVALID_ARGUMENT_ERROR(msg)
Definition: Error.hpp:37
#define STATIC_ASSERT_ARITHMETIC(dtype)
Definition: StaticAsserts.hpp:39
Holds 1D and 2D arrays, the main work horse of the NumCpp library.
Definition: NdArrayCore.hpp:138
const_iterator cbegin() const noexcept
Definition: NdArrayCore.hpp:1318
const_iterator cend() const noexcept
Definition: NdArrayCore.hpp:1626
iterator begin() noexcept
Definition: NdArrayCore.hpp:1268
const Shape & shape() const noexcept
Definition: NdArrayCore.hpp:4464
OutputIt transform(InputIt first, InputIt last, OutputIt destination, UnaryOperation unaryFunction)
Definition: StlAlgorithms.hpp:775
Definition: Cartesian.hpp:40
auto arctan2(dtype inY, dtype inX) noexcept
Definition: arctan2.hpp:51