|
Packit |
67cb25 |
/* permutation/file.c
|
|
Packit |
67cb25 |
*
|
|
Packit |
67cb25 |
* Copyright (C) 1996, 1997, 1998, 1999, 2000, 2007 Brian Gough
|
|
Packit |
67cb25 |
*
|
|
Packit |
67cb25 |
* This program is free software; you can redistribute it and/or modify
|
|
Packit |
67cb25 |
* it under the terms of the GNU General Public License as published by
|
|
Packit |
67cb25 |
* the Free Software Foundation; either version 3 of the License, or (at
|
|
Packit |
67cb25 |
* your option) any later version.
|
|
Packit |
67cb25 |
*
|
|
Packit |
67cb25 |
* This program is distributed in the hope that it will be useful, but
|
|
Packit |
67cb25 |
* WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
Packit |
67cb25 |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
Packit |
67cb25 |
* General Public License for more details.
|
|
Packit |
67cb25 |
*
|
|
Packit |
67cb25 |
* You should have received a copy of the GNU General Public License
|
|
Packit |
67cb25 |
* along with this program; if not, write to the Free Software
|
|
Packit |
67cb25 |
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
|
|
Packit |
67cb25 |
*/
|
|
Packit |
67cb25 |
|
|
Packit |
67cb25 |
#include <config.h>
|
|
Packit |
67cb25 |
#include <stdio.h>
|
|
Packit |
67cb25 |
#include <gsl/gsl_errno.h>
|
|
Packit |
67cb25 |
#include <gsl/gsl_permutation.h>
|
|
Packit |
67cb25 |
|
|
Packit |
67cb25 |
#define IN_FORMAT "%lu"
|
|
Packit |
67cb25 |
|
|
Packit |
67cb25 |
int
|
|
Packit |
67cb25 |
gsl_permutation_fread (FILE * stream, gsl_permutation * p)
|
|
Packit |
67cb25 |
{
|
|
Packit |
67cb25 |
size_t n = p->size ;
|
|
Packit |
67cb25 |
|
|
Packit |
67cb25 |
size_t * data = p->data ;
|
|
Packit |
67cb25 |
|
|
Packit |
67cb25 |
size_t items = fread (data, sizeof (size_t), n, stream);
|
|
Packit |
67cb25 |
|
|
Packit |
67cb25 |
if (items != n)
|
|
Packit |
67cb25 |
{
|
|
Packit |
67cb25 |
GSL_ERROR ("fread failed", GSL_EFAILED);
|
|
Packit |
67cb25 |
}
|
|
Packit |
67cb25 |
|
|
Packit |
67cb25 |
return GSL_SUCCESS;
|
|
Packit |
67cb25 |
}
|
|
Packit |
67cb25 |
|
|
Packit |
67cb25 |
int
|
|
Packit |
67cb25 |
gsl_permutation_fwrite (FILE * stream, const gsl_permutation * p)
|
|
Packit |
67cb25 |
{
|
|
Packit |
67cb25 |
size_t n = p->size ;
|
|
Packit |
67cb25 |
|
|
Packit |
67cb25 |
size_t * data = p->data ;
|
|
Packit |
67cb25 |
|
|
Packit |
67cb25 |
size_t items = fwrite (data, sizeof (size_t), n, stream);
|
|
Packit |
67cb25 |
|
|
Packit |
67cb25 |
if (items != n)
|
|
Packit |
67cb25 |
{
|
|
Packit |
67cb25 |
GSL_ERROR ("fwrite failed", GSL_EFAILED);
|
|
Packit |
67cb25 |
}
|
|
Packit |
67cb25 |
|
|
Packit |
67cb25 |
return GSL_SUCCESS;
|
|
Packit |
67cb25 |
}
|
|
Packit |
67cb25 |
|
|
Packit |
67cb25 |
int
|
|
Packit |
67cb25 |
gsl_permutation_fprintf (FILE * stream, const gsl_permutation * p, const char *format)
|
|
Packit |
67cb25 |
{
|
|
Packit |
67cb25 |
size_t n = p->size ;
|
|
Packit |
67cb25 |
|
|
Packit |
67cb25 |
size_t * data = p->data ;
|
|
Packit |
67cb25 |
|
|
Packit |
67cb25 |
size_t i;
|
|
Packit |
67cb25 |
|
|
Packit |
67cb25 |
for (i = 0; i < n; i++)
|
|
Packit |
67cb25 |
{
|
|
Packit |
67cb25 |
int status = fprintf (stream, format, data[i]);
|
|
Packit |
67cb25 |
|
|
Packit |
67cb25 |
if (status < 0)
|
|
Packit |
67cb25 |
{
|
|
Packit |
67cb25 |
GSL_ERROR ("fprintf failed", GSL_EFAILED);
|
|
Packit |
67cb25 |
}
|
|
Packit |
67cb25 |
}
|
|
Packit |
67cb25 |
|
|
Packit |
67cb25 |
return GSL_SUCCESS;
|
|
Packit |
67cb25 |
}
|
|
Packit |
67cb25 |
|
|
Packit |
67cb25 |
int
|
|
Packit |
67cb25 |
gsl_permutation_fscanf (FILE * stream, gsl_permutation * p)
|
|
Packit |
67cb25 |
{
|
|
Packit |
67cb25 |
size_t n = p->size ;
|
|
Packit |
67cb25 |
|
|
Packit |
67cb25 |
size_t * data = p->data ;
|
|
Packit |
67cb25 |
|
|
Packit |
67cb25 |
size_t i;
|
|
Packit |
67cb25 |
|
|
Packit |
67cb25 |
for (i = 0; i < n; i++)
|
|
Packit |
67cb25 |
{
|
|
Packit |
67cb25 |
unsigned long j ;
|
|
Packit |
67cb25 |
|
|
Packit |
67cb25 |
/* FIXME: what if size_t != unsigned long ???
|
|
Packit |
67cb25 |
|
|
Packit |
67cb25 |
want read in size_t but have to read in unsigned long to avoid
|
|
Packit |
67cb25 |
error from compiler */
|
|
Packit |
67cb25 |
|
|
Packit |
67cb25 |
int status = fscanf (stream, IN_FORMAT, &j);
|
|
Packit |
67cb25 |
|
|
Packit |
67cb25 |
if (status != 1)
|
|
Packit |
67cb25 |
{
|
|
Packit |
67cb25 |
GSL_ERROR ("fscanf failed", GSL_EFAILED);
|
|
Packit |
67cb25 |
}
|
|
Packit |
67cb25 |
|
|
Packit |
67cb25 |
data[i] = j;
|
|
Packit |
67cb25 |
}
|
|
Packit |
67cb25 |
|
|
Packit |
67cb25 |
return GSL_SUCCESS;
|
|
Packit |
67cb25 |
}
|
|
Packit |
67cb25 |
|