mirror of
https://github.com/tildearrow/furnace.git
synced 2024-11-09 22:35:06 +00:00
60 lines
2 KiB
C
60 lines
2 KiB
C
/*
|
|
* 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 "rdft/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 };
|