NumCpp  2.5.1
A Templatized Header Only C++ Implementation of the Python NumPy Library
mirror1d.hpp
Go to the documentation of this file.
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:
51  template<typename dtype>
52  NdArray<dtype> mirror1d(const NdArray<dtype>& inImage, uint32 inBoundarySize)
53  {
55 
56  const uint32 outSize = inImage.size() + inBoundarySize * 2;
57 
58  NdArray<dtype> outArray(1, outSize);
59  outArray.put(Slice(inBoundarySize, inBoundarySize + inImage.size()), inImage);
60 
61  // left
62  outArray.put(Slice(0, inBoundarySize), fliplr(inImage[Slice(1, inBoundarySize + 1)]));
63 
64  // right
65  outArray.put(Slice(inImage.size() + inBoundarySize, outSize),
66  fliplr(inImage[Slice(-static_cast<int32>(inBoundarySize) - 1, -1)]));
67 
68  return outArray;
69  }
70  } // namespace boundary
71  } // namespace filter
72 } // 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:3856
size_type size() const noexcept
Definition: NdArrayCore.hpp:4497
A Class for slicing into NdArrays.
Definition: Slice.hpp:44
NdArray< dtype > mirror1d(const NdArray< dtype > &inImage, uint32 inBoundarySize)
Definition: mirror1d.hpp:52
Definition: Coordinate.hpp:45
std::int32_t int32
Definition: Types.hpp:36
NdArray< dtype > fliplr(const NdArray< dtype > &inArray)
Definition: fliplr.hpp:48
std::uint32_t uint32
Definition: Types.hpp:40