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- /* poly/zsolve_init.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 <math.h>
- #include "gsl_math.h"
- #include "gsl_complex.h"
- #include "gsl_poly.h"
- #include "gsl_errno.h"
- gsl_poly_complex_workspace *
- gsl_poly_complex_workspace_alloc (size_t n)
- {
- size_t nc ;
- gsl_poly_complex_workspace * w ;
-
- if (n == 0)
- {
- GSL_ERROR_VAL ("matrix size n must be positive integer", GSL_EDOM, 0);
- }
- w = (gsl_poly_complex_workspace *)
- malloc (sizeof(gsl_poly_complex_workspace));
- if (w == 0)
- {
- GSL_ERROR_VAL ("failed to allocate space for struct", GSL_ENOMEM, 0);
- }
- nc = n - 1;
- w->nc = nc;
- w->matrix = (double *) malloc (nc * nc * sizeof(double));
- if (w->matrix == 0)
- {
- free (w) ; /* error in constructor, avoid memory leak */
-
- GSL_ERROR_VAL ("failed to allocate space for workspace matrix",
- GSL_ENOMEM, 0);
- }
- return w ;
- }
- void
- gsl_poly_complex_workspace_free (gsl_poly_complex_workspace * w)
- {
- free(w->matrix) ;
- free(w);
- }
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