NumCpp  2.8.0
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
37 {
38  namespace filter
39  {
40  namespace boundary
41  {
42  //============================================================================
43  // Method Description:
50  template<typename dtype>
51  NdArray<dtype> mirror1d(const NdArray<dtype>& inImage, uint32 inBoundarySize)
52  {
54 
55  const uint32 outSize = inImage.size() + inBoundarySize * 2;
56 
57  NdArray<dtype> outArray(1, outSize);
58  outArray.put(Slice(inBoundarySize, inBoundarySize + inImage.size()), inImage);
59 
60  // left
61  outArray.put(Slice(0, inBoundarySize), fliplr(inImage[Slice(1, inBoundarySize + 1)]));
62 
63  // right
64  outArray.put(Slice(inImage.size() + inBoundarySize, outSize),
65  fliplr(inImage[Slice(-static_cast<int32>(inBoundarySize) - 1, -1)]));
66 
67  return outArray;
68  }
69  } // namespace boundary
70  } // namespace filter
71 } // namespace nc
#define STATIC_ASSERT_ARITHMETIC(dtype)
Definition: StaticAsserts.hpp:37
Holds 1D and 2D arrays, the main work horse of the NumCpp library.
Definition: NdArrayCore.hpp:72
NdArray< dtype > & put(int32 inIndex, value_type inValue)
Definition: NdArrayCore.hpp:3663
size_type size() const noexcept
Definition: NdArrayCore.hpp:4289
A Class for slicing into NdArrays.
Definition: Slice.hpp:44
NdArray< dtype > mirror1d(const NdArray< dtype > &inImage, uint32 inBoundarySize)
Definition: mirror1d.hpp:51
Definition: Coordinate.hpp:45
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