comparison 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
comparison
equal deleted inserted replaced
94:d278df1123f9 95:89f5e221ed7b
1 /*
2 * Copyright (c) 2003, 2007-11 Matteo Frigo
3 * Copyright (c) 2003, 2007-11 Massachusetts Institute of Technology
4 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
18 *
19 */
20
21 #include "codelet-rdft.h"
22 #include SIMD_HEADER
23
24 #define EXTERN_CONST(t, x) extern const t x; const t x
25
26 static int hc2cbv_okp(const R *Rp, const R *Ip, const R *Rm, const R *Im,
27 INT rs, INT mb, INT me, INT ms,
28 const planner *plnr)
29 {
30 return (1
31 && !NO_SIMDP(plnr)
32 && SIMD_STRIDE_OK(rs)
33 && SIMD_VSTRIDE_OK(ms)
34 && ((me - mb) % VL) == 0
35 && ((mb - 1) % VL) == 0 /* twiddle factors alignment */
36 && ALIGNED(Rp)
37 && ALIGNED(Rm)
38 && Ip == Rp + 1
39 && Im == Rm + 1);
40 }
41
42 EXTERN_CONST(hc2c_genus, XSIMD(rdft_hc2cbv_genus)) = { hc2cbv_okp, HC2R, VL };
43
44 static int hc2cfv_okp(const R *Rp, const R *Ip, const R *Rm, const R *Im,
45 INT rs, INT mb, INT me, INT ms,
46 const planner *plnr)
47 {
48 return (1
49 && !NO_SIMDP(plnr)
50 && SIMD_STRIDE_OK(rs)
51 && SIMD_VSTRIDE_OK(ms)
52 && ((me - mb) % VL) == 0
53 && ((mb - 1) % VL) == 0 /* twiddle factors alignment */
54 && ALIGNED(Rp)
55 && ALIGNED(Rm)
56 && Ip == Rp + 1
57 && Im == Rm + 1);
58 }
59
60 EXTERN_CONST(hc2c_genus, XSIMD(rdft_hc2cfv_genus)) = { hc2cfv_okp, R2HC, VL };