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/*
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
/* $Id: verify.c,v 1.17 2006-01-05 03:04:27 stevenj Exp $ */
#include <stdio.h>
#include <stdlib.h>
#include "verify.h"
void verify_problem(bench_problem *p, int rounds, double tol)
{
errors e;
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("%g %g %g\n", e.l, e.i, e.s);
}
void verify(const char *param, int rounds, double tol)
{
bench_problem *p;
p = problem_parse(param);
BENCH_ASSERT(can_do(p));
problem_alloc(p);
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);
}
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