furnace/extern/fftw/kernel/problem.c

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/*
* Copyright (c) 2003, 2007-14 Matteo Frigo
* Copyright (c) 2003, 2007-14 Massachusetts Institute of Technology
*
* 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 "kernel/ifftw.h"
/* constructor */
problem *X(mkproblem)(size_t sz, const problem_adt *adt)
{
problem *p = (problem *)MALLOC(sz, PROBLEMS);
p->adt = adt;
return p;
}
/* destructor */
void X(problem_destroy)(problem *ego)
{
if (ego)
ego->adt->destroy(ego);
}
/* management of unsolvable problems */
static void unsolvable_destroy(problem *ego)
{
UNUSED(ego);
}
static void unsolvable_hash(const problem *p, md5 *m)
{
UNUSED(p);
X(md5puts)(m, "unsolvable");
}
static void unsolvable_print(const problem *ego, printer *p)
{
UNUSED(ego);
p->print(p, "(unsolvable)");
}
static void unsolvable_zero(const problem *ego)
{
UNUSED(ego);
}
static const problem_adt padt =
{
PROBLEM_UNSOLVABLE,
unsolvable_hash,
unsolvable_zero,
unsolvable_print,
unsolvable_destroy
};
/* there is no point in malloc'ing this one */
static problem the_unsolvable_problem = { &padt };
problem *X(mkproblem_unsolvable)(void)
{
return &the_unsolvable_problem;
}