NumCpp  2.8.0
A Templatized Header Only C++ Implementation of the Python NumPy Library
sinc.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:
49  template<typename dtype>
50  auto sinc(dtype inValue) noexcept
51  {
53 
54  return std::sin(constants::pi * inValue) / (constants::pi * inValue);
55  }
56 
57  //============================================================================
58  // Method Description:
68  template<typename dtype>
69  auto sinc(const NdArray<dtype>& inArray)
70  {
71  NdArray<decltype(sinc(dtype{ 0 }))> returnArray(inArray.shape());
73  inArray.cbegin(),
74  inArray.cend(),
75  returnArray.begin(),
76  [](dtype inValue) noexcept -> auto{ return sinc(inValue); });
77 
78  return returnArray;
79  }
80 } // 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:4276
const_iterator cend() const noexcept
Definition: NdArrayCore.hpp:1529
iterator begin() noexcept
Definition: NdArrayCore.hpp:1171
constexpr double pi
Pi.
Definition: Constants.hpp:43
OutputIt transform(InputIt first, InputIt last, OutputIt destination, UnaryOperation unaryFunction)
Definition: StlAlgorithms.hpp:784
Definition: Coordinate.hpp:45
auto sin(dtype inValue) noexcept
Definition: sin.hpp:49
auto sinc(dtype inValue) noexcept
Definition: sinc.hpp:50