opm-core/sparsetable.c
Bård Skaflestad 6fee738652 Use pure C comments only (i.e., /* foo */). C++ type comments (//)
yield errors in GCC 4.4 and later.  We may consider using C99 mode
  though...
2009-11-20 15:36:32 +00:00

99 lines
2.3 KiB
C

/*===========================================================================
//
// File: sparsetable.c
//
// Created: Fri Jun 19 08:48:04 2009
//
// Author: Jostein R. Natvig <Jostein.R.Natvig@sintef.no>
//
// $Date$
//
// $Revision$
//
//==========================================================================*/
/*
Copyright 2009 SINTEF ICT, Applied Mathematics.
Copyright 2009 Statoil ASA.
This file is part of The Open Reservoir Simulator Project (OpenRS).
OpenRS is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
OpenRS is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with OpenRS. If not, see <http://www.gnu.org/licenses/>.
*/
#include <stdlib.h>
#include <math.h>
#include <string.h>
#include <assert.h>
#include <stdio.h>
#include "sparsetable.h"
void free_sparse_table (sparse_table_t *tab)
{
if(tab->ptr) free(tab->ptr);
if(tab->data) free(tab->data);
free(tab);
}
sparse_table_t *malloc_sparse_table(int m, int n, int datasz)
{
sparse_table_t *tab = malloc(sizeof *tab);
tab->m = m;
tab->n = n;
tab->position = 0;
if (!(tab->ptr = malloc((m+1) * sizeof (*tab->ptr)))){
fprintf(stderr, "Could not allocate space for sparse ptr\n");
free_sparse_table(tab);
return NULL;
}
if(!(tab->data = malloc(n * datasz))){
fprintf(stderr, "Could not allocate space for sparse data(%d)\n", n);
free_sparse_table(tab);
return NULL;
}
return tab;
}
sparse_table_t *realloc_sparse_table(sparse_table_t *tab, int m, int n, int datasz)
{
void *p = realloc(tab->ptr, (m+1) * sizeof (*tab->ptr));
if (p){
tab->ptr = p;
}else{
fprintf(stderr, "Could not reallocate space for sparse ptr\n");
free_sparse_table(tab);
return NULL;
}
p = realloc(tab->data, n * datasz);
if(p){
tab->data = p;
}else{
fprintf(stderr, "Could not reallocate space for sparse data(%d)\n", n);
free_sparse_table(tab);
return NULL;
}
tab->m = m;
tab->n = n;
return tab;
}