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67 lines
1.5 KiB
C
67 lines
1.5 KiB
C
1 year ago
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#pragma once
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/*
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* spGPU - Sparse matrices on GPU library.
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*
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* Copyright (C) 2010 - 2013
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* Davide Barbieri - University of Rome Tor Vergata
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* version 3 as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#include "dia.h"
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#include <string.h>
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/** \addtogroup conversionRoutines Conversion Routines
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* @{
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*/
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#ifdef __cplusplus
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extern "C" {
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#endif
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int computeDiaDiagonalsCount(
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int rowsCount,
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int columnsCount,
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int nonZerosCount,
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const int* cooRowIndices,
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const int* cooColsIndices);
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void coo2dia(
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void* values,
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int* offsets,
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int valuesPitch,
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int diagonals,
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int rowsCount,
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int columnsCount,
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int nonZerosCount,
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const int* cooRowIndices,
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const int* cooColsIndices,
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const void* cooValues,
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int cooBaseIndex,
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spgpuType_t valuesType);
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/**
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* \fn int computeDiaAllocPitch(int rowsCount)
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* This function returns a pitch (in number of elements) that can be used to allocate the values array for DIA matrix format.
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* \param rowsCount the rows count
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* \return the pitch for an DIA matrix of rowsCount rows.
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*/
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int computeDiaAllocPitch(int rowsCount);
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#ifdef __cplusplus
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}
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#endif
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/** @}*/
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