NumCpp  2.5.1
A Templatized Header Only C++ Implementation of the Python NumPy Library
sinc.hpp
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1 #pragma once
29 
32 #include "NumCpp/NdArray.hpp"
33 
34 #include <cmath>
35 
36 namespace nc
37 {
38  //============================================================================
39  // Method Description:
51  template<typename dtype>
52  auto sinc(dtype inValue) noexcept
53  {
55 
56  return std::sin(constants::pi * inValue) / (constants::pi * inValue);
57  }
58 
59  //============================================================================
60  // Method Description:
72  template<typename dtype>
73  auto sinc(const NdArray<dtype>& inArray)
74  {
75  NdArray<decltype(sinc(dtype{0}))> returnArray(inArray.shape());
76  stl_algorithms::transform(inArray.cbegin(), inArray.cend(), returnArray.begin(),
77  [](dtype inValue) noexcept -> auto
78  {
79  return sinc(inValue);
80  });
81 
82  return returnArray;
83  }
84 } // namespace nc
#define STATIC_ASSERT_ARITHMETIC_OR_COMPLEX(dtype)
Definition: StaticAsserts.hpp:50
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
constexpr double pi
Pi.
Definition: Constants.hpp:43
OutputIt transform(InputIt first, InputIt last, OutputIt destination, UnaryOperation unaryFunction)
Definition: StlAlgorithms.hpp:702
Definition: Coordinate.hpp:45
auto sin(dtype inValue) noexcept
Definition: sin.hpp:51
auto sinc(dtype inValue) noexcept
Definition: sinc.hpp:52