NumCpp  2.9.0
A Templatized Header Only C++ Implementation of the Python NumPy Library
pad.hpp
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1 #pragma once
29 
30 #include "NumCpp/Core/Shape.hpp"
31 #include "NumCpp/Core/Slice.hpp"
32 #include "NumCpp/Core/Types.hpp"
33 #include "NumCpp/NdArray.hpp"
34 
35 namespace nc
36 {
37  //============================================================================
38  // Method Description:
48  template<typename dtype>
49  NdArray<dtype> pad(const NdArray<dtype>& inArray, uint16 inPadWidth, dtype inPadValue)
50  {
52 
53  const Shape inShape = inArray.shape();
54  Shape outShape(inShape);
55  outShape.rows += 2 * inPadWidth;
56  outShape.cols += 2 * inPadWidth;
57 
58  NdArray<dtype> returnArray(outShape);
59  returnArray.fill(inPadValue);
60  returnArray.put(Slice(inPadWidth, inPadWidth + inShape.rows),
61  Slice(inPadWidth, inPadWidth + inShape.cols),
62  inArray);
63 
64  return returnArray;
65  }
66 } // namespace nc
#define STATIC_ASSERT_ARITHMETIC_OR_COMPLEX(dtype)
Definition: StaticAsserts.hpp:49
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:3479
Shape shape() const noexcept
Definition: NdArrayCore.hpp:4092
NdArray< dtype > & fill(value_type inFillValue) noexcept
Definition: NdArrayCore.hpp:2609
A Shape Class for NdArrays.
Definition: Core/Shape.hpp:41
uint32 rows
Definition: Core/Shape.hpp:44
uint32 cols
Definition: Core/Shape.hpp:45
A Class for slicing into NdArrays.
Definition: Slice.hpp:44
Definition: Coordinate.hpp:45
NdArray< dtype > pad(const NdArray< dtype > &inArray, uint16 inPadWidth, dtype inPadValue)
Definition: pad.hpp:49
std::uint16_t uint16
Definition: Types.hpp:41