NumCpp  2.9.0
A Templatized Header Only C++ Implementation of the Python NumPy Library
expm1.hpp
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1 #pragma once
29 
30 #include <cmath>
31 
34 #include "NumCpp/NdArray.hpp"
35 
36 namespace nc
37 {
38  //============================================================================
39  // Method Description:
47  template<typename dtype>
48  auto expm1(dtype inValue) noexcept
49  {
51 
52  return std::exp(inValue) - dtype{ 1 };
53  }
54 
55  //============================================================================
56  // Method Description:
64  template<typename dtype>
65  auto expm1(const NdArray<dtype>& inArray)
66  {
67  NdArray<decltype(expm1(dtype{ 0 }))> returnArray(inArray.shape());
68 
70  inArray.cbegin(),
71  inArray.cend(),
72  returnArray.begin(),
73  [](dtype inValue) noexcept -> auto{ return expm1(inValue); });
74 
75  return returnArray;
76  }
77 } // namespace nc
#define STATIC_ASSERT_ARITHMETIC_OR_COMPLEX(dtype)
Definition: StaticAsserts.hpp:49
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:1221
Shape shape() const noexcept
Definition: NdArrayCore.hpp:4092
const_iterator cend() const noexcept
Definition: NdArrayCore.hpp:1529
iterator begin() noexcept
Definition: NdArrayCore.hpp:1171
OutputIt transform(InputIt first, InputIt last, OutputIt destination, UnaryOperation unaryFunction)
Definition: StlAlgorithms.hpp:784
Definition: Coordinate.hpp:45
auto expm1(dtype inValue) noexcept
Definition: expm1.hpp:48
auto exp(dtype inValue) noexcept
Definition: exp.hpp:49