mirror of
https://github.com/tildearrow/furnace.git
synced 2024-12-18 14:30:15 +00:00
96 lines
2.5 KiB
C
96 lines
2.5 KiB
C
/*
|
|
* Copyright (c) 2000 Matteo Frigo
|
|
* Copyright (c) 2000 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 <stdio.h>
|
|
#include <stdlib.h>
|
|
|
|
#include "verify.h"
|
|
|
|
void verify_problem(bench_problem *p, int rounds, double tol)
|
|
{
|
|
errors e;
|
|
const char *pstring = p->pstring ? p->pstring : "<unknown problem>";
|
|
|
|
switch (p->kind) {
|
|
case PROBLEM_COMPLEX: verify_dft(p, rounds, tol, &e); break;
|
|
case PROBLEM_REAL: verify_rdft2(p, rounds, tol, &e); break;
|
|
case PROBLEM_R2R: verify_r2r(p, rounds, tol, &e); break;
|
|
}
|
|
|
|
if (verbose)
|
|
ovtpvt("%s %g %g %g\n", pstring, e.l, e.i, e.s);
|
|
}
|
|
|
|
void verify(const char *param, int rounds, double tol)
|
|
{
|
|
bench_problem *p;
|
|
|
|
p = problem_parse(param);
|
|
problem_alloc(p);
|
|
|
|
if (!can_do(p)) {
|
|
ovtpvt_err("No can_do for %s\n", p->pstring);
|
|
BENCH_ASSERT(0);
|
|
}
|
|
|
|
problem_zero(p);
|
|
setup(p);
|
|
|
|
verify_problem(p, rounds, tol);
|
|
|
|
done(p);
|
|
problem_destroy(p);
|
|
}
|
|
|
|
|
|
static void do_accuracy(bench_problem *p, int rounds, int impulse_rounds)
|
|
{
|
|
double t[6];
|
|
|
|
switch (p->kind) {
|
|
case PROBLEM_COMPLEX:
|
|
accuracy_dft(p, rounds, impulse_rounds, t); break;
|
|
case PROBLEM_REAL:
|
|
accuracy_rdft2(p, rounds, impulse_rounds, t); break;
|
|
case PROBLEM_R2R:
|
|
accuracy_r2r(p, rounds, impulse_rounds, t); break;
|
|
}
|
|
|
|
/* t[0] : L1 error
|
|
t[1] : L2 error
|
|
t[2] : Linf error
|
|
t[3..5]: L1, L2, Linf backward error */
|
|
ovtpvt("%6.2e %6.2e %6.2e %6.2e %6.2e %6.2e\n",
|
|
t[0], t[1], t[2], t[3], t[4], t[5]);
|
|
}
|
|
|
|
void accuracy(const char *param, int rounds, int impulse_rounds)
|
|
{
|
|
bench_problem *p;
|
|
p = problem_parse(param);
|
|
BENCH_ASSERT(can_do(p));
|
|
problem_alloc(p);
|
|
problem_zero(p);
|
|
setup(p);
|
|
do_accuracy(p, rounds, impulse_rounds);
|
|
done(p);
|
|
problem_destroy(p);
|
|
}
|