Mercurial > hg > sv-dependency-builds
diff src/fftw-3.3.3/rdft/simd/common/genus.c @ 95:89f5e221ed7b
Add FFTW3
author | Chris Cannam <cannam@all-day-breakfast.com> |
---|---|
date | Wed, 20 Mar 2013 15:35:50 +0000 |
parents | |
children |
line wrap: on
line diff
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/fftw-3.3.3/rdft/simd/common/genus.c Wed Mar 20 15:35:50 2013 +0000 @@ -0,0 +1,60 @@ +/* + * Copyright (c) 2003, 2007-11 Matteo Frigo + * Copyright (c) 2003, 2007-11 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 "codelet-rdft.h" +#include SIMD_HEADER + +#define EXTERN_CONST(t, x) extern const t x; const t x + +static int hc2cbv_okp(const R *Rp, const R *Ip, const R *Rm, const R *Im, + INT rs, INT mb, INT me, INT ms, + const planner *plnr) +{ + return (1 + && !NO_SIMDP(plnr) + && SIMD_STRIDE_OK(rs) + && SIMD_VSTRIDE_OK(ms) + && ((me - mb) % VL) == 0 + && ((mb - 1) % VL) == 0 /* twiddle factors alignment */ + && ALIGNED(Rp) + && ALIGNED(Rm) + && Ip == Rp + 1 + && Im == Rm + 1); +} + +EXTERN_CONST(hc2c_genus, XSIMD(rdft_hc2cbv_genus)) = { hc2cbv_okp, HC2R, VL }; + +static int hc2cfv_okp(const R *Rp, const R *Ip, const R *Rm, const R *Im, + INT rs, INT mb, INT me, INT ms, + const planner *plnr) +{ + return (1 + && !NO_SIMDP(plnr) + && SIMD_STRIDE_OK(rs) + && SIMD_VSTRIDE_OK(ms) + && ((me - mb) % VL) == 0 + && ((mb - 1) % VL) == 0 /* twiddle factors alignment */ + && ALIGNED(Rp) + && ALIGNED(Rm) + && Ip == Rp + 1 + && Im == Rm + 1); +} + +EXTERN_CONST(hc2c_genus, XSIMD(rdft_hc2cfv_genus)) = { hc2cfv_okp, R2HC, VL };