NumCpp  2.12.1
A Templatized Header Only C++ Implementation of the Python NumPy Library
hermite.hpp
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1
28#pragma once
29
30#include <cmath>
31
32#if defined(__cpp_lib_math_special_functions) || !defined(NUMCPP_NO_USE_BOOST)
33
36#include "NumCpp/NdArray.hpp"
37
38#ifndef __cpp_lib_math_special_functions
39#include "boost/math/special_functions/hermite.hpp"
40#endif
41
42namespace nc::polynomial
43{
44 //============================================================================
45 // Method Description:
54 template<typename dtype>
55 double hermite(uint32 n, dtype x)
56 {
58
59#ifdef __cpp_lib_math_special_functions
60 return std::hermite(n, static_cast<double>(x));
61#else
62 return boost::math::hermite(n, static_cast<double>(x));
63#endif
64 }
65
66 //============================================================================
67 // Method Description:
76 template<typename dtype>
78 {
79 NdArray<double> returnArray(inArrayX.shape());
80
81 const auto function = [n](dtype x) -> double { return hermite(n, x); };
82
83 stl_algorithms::transform(inArrayX.cbegin(), inArrayX.cend(), returnArray.begin(), function);
84
85 return returnArray;
86 }
87} // namespace nc::polynomial
88
89#endif // #if defined(__cpp_lib_math_special_functions) || !defined(NUMCPP_NO_USE_BOOST)
#define STATIC_ASSERT_ARITHMETIC(dtype)
Definition: StaticAsserts.hpp:39
const_iterator cbegin() const noexcept
Definition: NdArrayCore.hpp:1365
const Shape & shape() const noexcept
Definition: NdArrayCore.hpp:4511
const_iterator cend() const noexcept
Definition: NdArrayCore.hpp:1673
iterator begin() noexcept
Definition: NdArrayCore.hpp:1315
Definition: chebyshev_t.hpp:39
NdArray< double > hermite(uint32 n, const NdArray< dtype > &inArrayX)
Definition: hermite.hpp:77
double hermite(uint32 n, dtype x)
Definition: hermite.hpp:55
OutputIt transform(InputIt first, InputIt last, OutputIt destination, UnaryOperation unaryFunction)
Definition: StlAlgorithms.hpp:775
std::uint32_t uint32
Definition: Types.hpp:40