Mercurial > hg > js-dsp-test
diff fft/fftw/fftw-3.3.4/kernel/stride.c @ 19:26056e866c29
Add FFTW to comparison table
author | Chris Cannam |
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date | Tue, 06 Oct 2015 13:08:39 +0100 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/fft/fftw/fftw-3.3.4/kernel/stride.c Tue Oct 06 13:08:39 2015 +0100 @@ -0,0 +1,42 @@ +/* + * 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 "ifftw.h" + +const INT X(an_INT_guaranteed_to_be_zero) = 0; + +#ifdef PRECOMPUTE_ARRAY_INDICES +stride X(mkstride)(INT n, INT s) +{ + int i; + INT *p = (INT *) MALLOC(n * sizeof(INT), STRIDES); + + for (i = 0; i < n; ++i) + p[i] = s * i; + + return p; +} + +void X(stride_destroy)(stride p) +{ + X(ifree0)(p); +} + +#endif