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- /* integration/workspace.c
- *
- * Copyright (C) 1996, 1997, 1998, 1999, 2000, 2007 Brian Gough
- *
- * This program 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.
- *
- * This program 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 this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
- */
- #include "gsl__config.h"
- #include <stdlib.h>
- #include "gsl_integration.h"
- #include "gsl_errno.h"
- gsl_integration_workspace *
- gsl_integration_workspace_alloc (const size_t n)
- {
- gsl_integration_workspace * w ;
-
- if (n == 0)
- {
- GSL_ERROR_VAL ("workspace length n must be positive integer",
- GSL_EDOM, 0);
- }
- w = (gsl_integration_workspace *)
- malloc (sizeof (gsl_integration_workspace));
- if (w == 0)
- {
- GSL_ERROR_VAL ("failed to allocate space for workspace struct",
- GSL_ENOMEM, 0);
- }
- w->alist = (double *) malloc (n * sizeof (double));
- if (w->alist == 0)
- {
- free (w); /* exception in constructor, avoid memory leak */
- GSL_ERROR_VAL ("failed to allocate space for alist ranges",
- GSL_ENOMEM, 0);
- }
- w->blist = (double *) malloc (n * sizeof (double));
- if (w->blist == 0)
- {
- free (w->alist);
- free (w); /* exception in constructor, avoid memory leak */
- GSL_ERROR_VAL ("failed to allocate space for blist ranges",
- GSL_ENOMEM, 0);
- }
- w->rlist = (double *) malloc (n * sizeof (double));
- if (w->rlist == 0)
- {
- free (w->blist);
- free (w->alist);
- free (w); /* exception in constructor, avoid memory leak */
- GSL_ERROR_VAL ("failed to allocate space for rlist ranges",
- GSL_ENOMEM, 0);
- }
- w->elist = (double *) malloc (n * sizeof (double));
- if (w->elist == 0)
- {
- free (w->rlist);
- free (w->blist);
- free (w->alist);
- free (w); /* exception in constructor, avoid memory leak */
- GSL_ERROR_VAL ("failed to allocate space for elist ranges",
- GSL_ENOMEM, 0);
- }
- w->order = (size_t *) malloc (n * sizeof (size_t));
- if (w->order == 0)
- {
- free (w->elist);
- free (w->rlist);
- free (w->blist);
- free (w->alist);
- free (w); /* exception in constructor, avoid memory leak */
- GSL_ERROR_VAL ("failed to allocate space for order ranges",
- GSL_ENOMEM, 0);
- }
- w->level = (size_t *) malloc (n * sizeof (size_t));
- if (w->level == 0)
- {
- free (w->order);
- free (w->elist);
- free (w->rlist);
- free (w->blist);
- free (w->alist);
- free (w); /* exception in constructor, avoid memory leak */
- GSL_ERROR_VAL ("failed to allocate space for order ranges",
- GSL_ENOMEM, 0);
- }
- w->size = 0 ;
- w->limit = n ;
- w->maximum_level = 0 ;
-
- return w ;
- }
- void
- gsl_integration_workspace_free (gsl_integration_workspace * w)
- {
- free (w->level) ;
- free (w->order) ;
- free (w->elist) ;
- free (w->rlist) ;
- free (w->blist) ;
- free (w->alist) ;
- free (w) ;
- }
- /*
- size_t
- gsl_integration_workspace_limit (gsl_integration_workspace * w)
- {
- return w->limit ;
- }
- size_t
- gsl_integration_workspace_size (gsl_integration_workspace * w)
- {
- return w->size ;
- }
- */
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