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46
src/include/ConstantMatrixDescriptor.cuh
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46
src/include/ConstantMatrixDescriptor.cuh
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#pragma once
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#include "common.cuh"
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template <unsigned NRow, unsigned NCol, unsigned RowStride>
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struct ConstantMatrixDescriptor
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{
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__host__ __device__ ConstantMatrixDescriptor()
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{
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static_assert(NCol <= RowStride, "wrong! NCol > RowStride!");
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}
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__host__ __device__ constexpr unsigned GetNumberOfRow() const { return NRow; }
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__host__ __device__ constexpr unsigned GetNumberOfColumn() const { return NCol; }
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__host__ __device__ constexpr unsigned GetRowStride() const { return RowStride; }
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__host__ __device__ constexpr unsigned GetElementSize() const { return NRow * NCol; }
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__host__ __device__ constexpr unsigned GetElementSpace() const { return NRow * RowStride; }
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__host__ __device__ unsigned Get1dIndex(unsigned irow, unsigned icol) const
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{
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return irow * RowStride + icol;
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}
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template <unsigned SubNRow, unsigned SubNCol>
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__host__ __device__ constexpr auto MakeSubMatrixDescriptor(Number<SubNRow>,
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Number<SubNCol>) const
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{
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return ConstantMatrixDescriptor<SubNRow, SubNCol, RowStride>{};
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}
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};
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template <unsigned NRow, unsigned NCol>
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__host__ __device__ constexpr auto make_ConstantMatrixDescriptor(Number<NRow>, Number<NCol>)
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{
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return ConstantMatrixDescriptor<NRow, NCol, NCol>{};
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}
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template <unsigned NRow, unsigned NCol, unsigned RowStride>
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__host__ __device__ constexpr auto
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make_ConstantMatrixDescriptor(Number<NRow>, Number<NCol>, Number<RowStride>)
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{
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return ConstantMatrixDescriptor<NRow, NCol, RowStride>{};
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}
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