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/*
* Copyright 2008-2009 NVIDIA Corporation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/*! \file matrix_market.h
* \brief MatrixMarket file I/O
*/
#pragma once
#include <cusp/detail/config.h>
#include <string>
namespace cusp
{
namespace io
{
/*! \addtogroup input_output Input/Output
* \addtogroup matrix_market MatrixMarket
* \ingroup input_output
* \{
*/
/*! \p read_matrix_market_file : Read a MatrixMarket file
*
* \param mtx a matrix container (e.g. \p csr_matrix or \p coo_matrix)
* \param filename file name of the MatrixMarket file
* \tparam Matrix matrix container
*
* \note any contents of \p mtx will be overwritten
*
* \code
* #include <cusp/io/matrix_market.h>
* #include <cusp/coo_matrix.h>
*
* int main(void)
* {
* // read matrix stored in A.mtx into a coo_matrix
* cusp::coo_matrix<int, float, cusp::device_memory> A;
* cusp::io::read_matrix_market_file(A, "A.mtx");
*
* return 0;
* }
* \endcode
*
* \see \p write_matrix_market_file
* \see \p write_matrix_market_stream
*/
template <typename Matrix>
void read_matrix_market_file(Matrix& mtx, const std::string& filename);
/*! \p read_matrix_market_stream : Read MatrixMarket data from a stream.
*
* \param mtx a matrix container (e.g. \p csr_matrix or \p coo_matrix)
* \param intput stream from which to read the MatrixMarket contents
* \tparam Matrix matrix container
* \tparam Stream stream type
*
* \note any contents of \p mtx will be overwritten
*
* \code
* #include <cusp/io/matrix_market.h>
* #include <cusp/coo_matrix.h>
*
* int main(void)
* {
* // read matrix stored in A.mtx into a coo_matrix
* cusp::coo_matrix<int, float, cusp::device_memory> A;
* cusp::io::read_matrix_market_stream(A, std::cin);
*
* return 0;
* }
* \endcode
*
* \see \p write_matrix_market_file
* \see \p write_matrix_market_stream
*/
template <typename Matrix, typename Stream>
void read_matrix_market_stream(Matrix& mtx, Stream& input);
/*! \p write_matrix_market_file : Write a MatrixMarket file
*
* \param mtx a matrix container (e.g. \p csr_matrix or \p coo_matrix)
* \param filename file name of the MatrixMarket file
* \tparam Matrix matrix container
*
* \note if the file already exists it will be overwritten
*
* \code
* #include <cusp/io/matrix_market.h>
* #include <cusp/array2d.h>
*
* int main(void)
* {
* // create a simple example
* cusp::array2d<float, cusp::host_memory> A(3,4);
* A(0,0) = 10; A(0,1) = 0; A(0,2) = 20; A(0,3) = 0;
* A(1,0) = 0; A(1,1) = 30; A(1,2) = 0; A(1,3) = 40;
* A(2,0) = 50; A(2,1) = 60; A(2,2) = 70; A(2,3) = 80;
*
* // save A into MatrixMarket file
* cusp::io::write_matrix_market_file(A, "A.mtx");
*
* return 0;
* }
* \endcode
*
* \see \p read_matrix_market_file
* \see \p read_matrix_market_stream
*/
template <typename Matrix>
void write_matrix_market_file(const Matrix& mtx, const std::string& filename);
/*! \p write_matrix_market_stream : Write MatrixMarket data to a stream.
*
* \param mtx a matrix container (e.g. \p csr_matrix or \p coo_matrix)
* \param output stream to which the MatrixMarket contents will be written
* \tparam Matrix matrix container
* \tparam Stream stream type
*
* \code
* #include <cusp/io/matrix_market.h>
* #include <cusp/array2d.h>
*
* int main(void)
* {
* // create a simple example
* cusp::array2d<float, cusp::host_memory> A(3,4);
* A(0,0) = 10; A(0,1) = 0; A(0,2) = 20; A(0,3) = 0;
* A(1,0) = 0; A(1,1) = 30; A(1,2) = 0; A(1,3) = 40;
* A(2,0) = 50; A(2,1) = 60; A(2,2) = 70; A(2,3) = 80;
*
* // save A into MatrixMarket file
* cusp::io::write_matrix_market_stream(A, std::cout);
*
* return 0;
* }
* \endcode
*
* \see \p read_matrix_market_file
* \see \p read_matrix_market_stream
*/
template <typename Matrix, typename Stream>
void write_matrix_market_stream(const Matrix& mtx, Stream& output);
/*! \}
*/
} //end namespace io
} //end namespace cusp
#include <cusp/io/detail/matrix_market.inl>
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