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/* block/init_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.
*/
TYPE (gsl_block) *
FUNCTION (gsl_block, alloc) (const size_t n)
{
TYPE (gsl_block) * b;
if (n == 0)
{
GSL_ERROR_VAL ("block length n must be positive integer",
GSL_EINVAL, 0);
}
b = (TYPE (gsl_block) *) malloc (sizeof (TYPE (gsl_block)));
if (b == 0)
{
GSL_ERROR_VAL ("failed to allocate space for block struct",
GSL_ENOMEM, 0);
}
b->data = (ATOMIC *) malloc (MULTIPLICITY * n * sizeof (ATOMIC));
if (b->data == 0)
{
free (b); /* exception in constructor, avoid memory leak */
GSL_ERROR_VAL ("failed to allocate space for block data",
GSL_ENOMEM, 0);
}
b->size = n;
return b;
}
TYPE (gsl_block) *
FUNCTION (gsl_block, calloc) (const size_t n)
{
size_t i;
TYPE (gsl_block) * b = FUNCTION (gsl_block, alloc) (n);
if (b == 0)
return 0;
/* initialize block to zero */
for (i = 0; i < MULTIPLICITY * n; i++)
{
b->data[i] = 0;
}
return b;
}
void
FUNCTION (gsl_block, free) (TYPE (gsl_block) * b)
{
free (b->data);
free (b);
}
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