NumCpp  2.6.2
A Templatized Header Only C++ Implementation of the Python NumPy Library
maximum.hpp
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1 
28 #pragma once
29 
33 #include "NumCpp/NdArray.hpp"
34 
35 #include <cmath>
36 #include <complex>
37 #include <string>
38 
39 namespace nc
40 {
41  //============================================================================
42  // Method Description:
54  template<typename dtype>
55  NdArray<dtype> maximum(const NdArray<dtype>& inArray1, const NdArray<dtype>& inArray2)
56  {
58 
59  if (inArray1.shape() != inArray2.shape())
60  {
61  THROW_INVALID_ARGUMENT_ERROR("input array shapes are not consistant.");
62  }
63 
64  const auto comparitor = [](dtype lhs, dtype rhs) noexcept -> bool
65  {
66  return lhs < rhs;
67  };
68 
69  NdArray<dtype> returnArray(inArray1.shape());
70  stl_algorithms::transform(inArray1.cbegin(), inArray1.cend(), inArray2.cbegin(), returnArray.begin(),
71  [comparitor](dtype inValue1, dtype inValue2) -> dtype
72  {
73  return std::max(inValue1, inValue2, comparitor);
74  });
75 
76  return returnArray;
77  }
78 } // namespace nc
#define THROW_INVALID_ARGUMENT_ERROR(msg)
Definition: Error.hpp:36
#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
OutputIt transform(InputIt first, InputIt last, OutputIt destination, UnaryOperation unaryFunction)
Definition: StlAlgorithms.hpp:702
Definition: Coordinate.hpp:45
NdArray< dtype > maximum(const NdArray< dtype > &inArray1, const NdArray< dtype > &inArray2)
Definition: maximum.hpp:55