furnace/extern/fftw/libbench2/zero.c

44 lines
1.6 KiB
C

/*
* Copyright (c) 2001 Matteo Frigo
* Copyright (c) 2001 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 "libbench2/bench.h"
/* set I/O arrays to zero. Default routine */
void problem_zero(bench_problem *p)
{
bench_complex czero = {0, 0};
if (p->kind == PROBLEM_COMPLEX) {
caset((bench_complex *) p->inphys, p->iphyssz, czero);
caset((bench_complex *) p->outphys, p->ophyssz, czero);
} else if (p->kind == PROBLEM_R2R) {
aset((bench_real *) p->inphys, p->iphyssz, 0.0);
aset((bench_real *) p->outphys, p->ophyssz, 0.0);
} else if (p->kind == PROBLEM_REAL && p->sign < 0) {
aset((bench_real *) p->inphys, p->iphyssz, 0.0);
caset((bench_complex *) p->outphys, p->ophyssz, czero);
} else if (p->kind == PROBLEM_REAL && p->sign > 0) {
caset((bench_complex *) p->inphys, p->iphyssz, czero);
aset((bench_real *) p->outphys, p->ophyssz, 0.0);
} else {
BENCH_ASSERT(0); /* TODO */
}
}