NumCpp  2.6.2
A Templatized Header Only C++ Implementation of the Python NumPy Library
ldexp.hpp
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1 
28 #pragma once
29 
33 #include "NumCpp/Core/Types.hpp"
34 #include "NumCpp/NdArray.hpp"
35 
36 #include <cmath>
37 #include <string>
38 
39 namespace nc
40 {
41  //============================================================================
42  // Method Description:
53  template<typename dtype>
54  dtype ldexp(dtype inValue1, uint8 inValue2) noexcept
55  {
57 
58  return static_cast<dtype>(std::ldexp(static_cast<double>(inValue1), inValue2));
59  }
60 
61  //============================================================================
62  // Method Description:
73  template<typename dtype>
74  NdArray<dtype> ldexp(const NdArray<dtype>& inArray1, const NdArray<uint8>& inArray2)
75  {
76  if (inArray1.shape() != inArray2.shape())
77  {
78  THROW_INVALID_ARGUMENT_ERROR("input array shapes are not consistant.");
79  }
80 
81  NdArray<dtype> returnArray(inArray1.shape());
82  stl_algorithms::transform(inArray1.cbegin(), inArray1.cend(), inArray2.cbegin(), returnArray.begin(),
83  [](dtype inValue1, uint8 inValue2) noexcept -> dtype
84  {
85  return ldexp(inValue1, inValue2);
86  });
87 
88  return returnArray;
89  }
90 } // 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:1270
Shape shape() const noexcept
Definition: NdArrayCore.hpp:4483
const_iterator cend() const noexcept
Definition: NdArrayCore.hpp:1614
iterator begin() noexcept
Definition: NdArrayCore.hpp:1214
OutputIt transform(InputIt first, InputIt last, OutputIt destination, UnaryOperation unaryFunction)
Definition: StlAlgorithms.hpp:702
Definition: Coordinate.hpp:45
NdArray< dtype > ldexp(const NdArray< dtype > &inArray1, const NdArray< uint8 > &inArray2)
Definition: ldexp.hpp:74
std::uint8_t uint8
Definition: Types.hpp:42
dtype ldexp(dtype inValue1, uint8 inValue2) noexcept
Definition: ldexp.hpp:54