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/* block/fwrite_source.c
*
* Copyright (C) 1996, 1997, 1998, 1999, 2000 Gerard Jungman, 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.
*/
int
FUNCTION (gsl_block, fread) (FILE * stream, TYPE(gsl_block) * b)
{
size_t n = b->size ;
ATOMIC * data = b->data ;
size_t items = fread (data, MULTIPLICITY * sizeof (ATOMIC), n, stream);
if (items != n)
{
GSL_ERROR ("fread failed", GSL_EFAILED);
}
return 0;
}
int
FUNCTION (gsl_block, fwrite) (FILE * stream, const TYPE(gsl_block) * b)
{
size_t n = b->size ;
ATOMIC * data = b->data ;
size_t items = fwrite (data, MULTIPLICITY * sizeof (ATOMIC), n, stream);
if (items != n)
{
GSL_ERROR ("fwrite failed", GSL_EFAILED);
}
return 0;
}
int
FUNCTION (gsl_block, raw_fread) (FILE * stream, ATOMIC * data,
const size_t n, const size_t stride)
{
if (stride == 1)
{
size_t items = fread (data, MULTIPLICITY * sizeof (ATOMIC), n, stream);
if (items != n)
{
GSL_ERROR ("fread failed", GSL_EFAILED);
}
}
else
{
size_t i;
for (i = 0; i < n; i++)
{
size_t item = fread (data + MULTIPLICITY * i * stride,
MULTIPLICITY * sizeof (ATOMIC), 1, stream);
if (item != 1)
{
GSL_ERROR ("fread failed", GSL_EFAILED);
}
}
}
return GSL_SUCCESS;
}
int
FUNCTION (gsl_block, raw_fwrite) (FILE * stream, const ATOMIC * data,
const size_t n, const size_t stride)
{
if (stride == 1)
{
size_t items = fwrite (data, MULTIPLICITY * sizeof (ATOMIC), n, stream);
if (items != n)
{
GSL_ERROR ("fwrite failed", GSL_EFAILED);
}
}
else
{
size_t i;
for (i = 0; i < n; i++)
{
size_t item = fwrite (data + MULTIPLICITY * i * stride,
MULTIPLICITY * sizeof (ATOMIC),
1, stream);
if (item != 1)
{
GSL_ERROR ("fwrite failed", GSL_EFAILED);
}
}
}
return GSL_SUCCESS;
}
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