NumCpp  2.10.1
A Templatized Header Only C++ Implementation of the Python NumPy Library
mirror1d.hpp
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1 #pragma once
29 
31 #include "NumCpp/Core/Slice.hpp"
32 #include "NumCpp/Core/Types.hpp"
34 #include "NumCpp/NdArray.hpp"
35 
36 namespace nc::filter::boundary
37 {
38  //============================================================================
39  // Method Description:
46  template<typename dtype>
47  NdArray<dtype> mirror1d(const NdArray<dtype>& inImage, uint32 inBoundarySize)
48  {
50 
51  const uint32 outSize = inImage.size() + inBoundarySize * 2;
52 
53  NdArray<dtype> outArray(1, outSize);
54  outArray.put(Slice(inBoundarySize, inBoundarySize + inImage.size()), inImage);
55 
56  // left
57  outArray.put(Slice(0, inBoundarySize), fliplr(inImage[Slice(1, inBoundarySize + 1)]));
58 
59  // right
60  outArray.put(Slice(inImage.size() + inBoundarySize, outSize),
61  fliplr(inImage[Slice(-static_cast<int32>(inBoundarySize) - 1, -1)]));
62 
63  return outArray;
64  }
65 } // namespace nc::filter::boundary
#define STATIC_ASSERT_ARITHMETIC(dtype)
Definition: StaticAsserts.hpp:39
Holds 1D and 2D arrays, the main work horse of the NumCpp library.
Definition: NdArrayCore.hpp:138
size_type size() const noexcept
Definition: NdArrayCore.hpp:4415
self_type & put(index_type inIndex, const value_type &inValue)
Definition: NdArrayCore.hpp:3616
A Class for slicing into NdArrays.
Definition: Slice.hpp:45
Definition: addBoundary1d.hpp:44
NdArray< dtype > mirror1d(const NdArray< dtype > &inImage, uint32 inBoundarySize)
Definition: mirror1d.hpp:47
std::int32_t int32
Definition: Types.hpp:36
NdArray< dtype > fliplr(const NdArray< dtype > &inArray)
Definition: fliplr.hpp:46
std::uint32_t uint32
Definition: Types.hpp:40