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91 lines
3.5 KiB
C
91 lines
3.5 KiB
C
2 years ago
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/*
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* Sp3MM_for_AlgebraicMultiGrid
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* (C) Copyright 2021-2022
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* Andrea Di Iorio
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions, and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the Sp3MM_for_AlgebraicMultiGrid or the names of its contributors may
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* not be used to endorse or promote products derived from this
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* software without specific written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE Sp3MM_for_AlgebraicMultiGrid GROUP OR ITS CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef PARSER
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#define PARSER
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#include "mmio.h"
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#include "sparseMatrix.h"
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typedef struct{
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ulong row;
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ulong col;
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double val;
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} entry; //MatrixMarket COO entry
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typedef struct{
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MM_typecode mcode;
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entry* entries;
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ulong* rowLens;
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ulong M,N,NZ; //spmat sizes
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} MatrixMarket;
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////COO PARSE
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//parse and check MatrixMarket mat in @matPath file
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MatrixMarket* MMRead(char* matPath);
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void freeMatrixMarket(MatrixMarket* mm);
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//basic check for sparse matrix compliance to the app, return posix bool
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int MMCheck(MM_typecode typecode);
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/*
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* parse MatrixMarket matrix entries in @fp, of type @mcode
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* into COOrdinate list of entries
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* -> expand simmetric matrixes into a normal matrix with both parts
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* so NZ will be inplace doubled
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* return allocated and filled COO entries with the NNZ number into
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* NO SORT CHECKING HERE
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*/
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entry* MMtoCOO(ulong* NZ, FILE *fp, MM_typecode mcode,ulong* rowLens);
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////COO -> ANYTHING ELSE CONVERSION
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/*
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* write COO entries in @entries inside sparse matrix @mat in ELL format
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* EXPECTED: CSR arrays allocated, @entries col sorted in (not madatory consecut) rows
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* [simmetrical parts explicitly rappresented --> not important here]
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*/
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int COOtoCSR(entry* entries, spmat* mat,ulong* rowLens);
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/*
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* write COO entries in @entries inside sparse matrix @mat in ELL format
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* EXPECTED: @entries col sorted in (not madatory consecut) rows
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* ELL internal array allocated in this function, not freed in case of error
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*/
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int COOtoELL(entry* entries, spmat* mat, ulong* rowLens);
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////wrapper MM -> specialized target
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/*
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* Parse MatrixMarket matrix stored in file at @matPath
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* IMPLEMENTED WRAPPING: MMtoCOO -> COOtoCSR
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* Returns: allocated spmat sparse matrix with all field allocated
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* symetric matrix are expanded in a full matrix
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*/
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spmat* MMtoCSR(char* matPath);
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spmat* MMtoELL(char* matPath);
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#endif
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