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/* poly/zsolve_init.c
*
* Copyright (C) 1996, 1997, 1998, 1999, 2000 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 2 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 <config.h>
#include <math.h>
#include <gsl/gsl_math.h>
#include <gsl/gsl_complex.h>
#include <gsl/gsl_poly.h>
#include <gsl/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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