Chris@42: /*
Chris@42:  * Copyright (c) 2003, 2007-14 Matteo Frigo
Chris@42:  * Copyright (c) 2003, 2007-14 Massachusetts Institute of Technology
Chris@42:  *
Chris@42:  * This program is free software; you can redistribute it and/or modify
Chris@42:  * it under the terms of the GNU General Public License as published by
Chris@42:  * the Free Software Foundation; either version 2 of the License, or
Chris@42:  * (at your option) any later version.
Chris@42:  *
Chris@42:  * This program is distributed in the hope that it will be useful,
Chris@42:  * but WITHOUT ANY WARRANTY; without even the implied warranty of
Chris@42:  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
Chris@42:  * GNU General Public License for more details.
Chris@42:  *
Chris@42:  * You should have received a copy of the GNU General Public License
Chris@42:  * along with this program; if not, write to the Free Software
Chris@42:  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
Chris@42:  *
Chris@42:  */
Chris@42: 
Chris@42: #include "codelet-rdft.h"
Chris@42: #include SIMD_HEADER
Chris@42: 
Chris@42: #define EXTERN_CONST(t, x) extern const t x; const t x
Chris@42: 
Chris@42: static int hc2cbv_okp(const R *Rp, const R *Ip, const R *Rm, const R *Im, 
Chris@42: 		      INT rs, INT mb, INT me, INT ms, 
Chris@42: 		      const planner *plnr)
Chris@42: {
Chris@42:      return (1
Chris@42: 	     && !NO_SIMDP(plnr)
Chris@42: 	     && SIMD_STRIDE_OK(rs)
Chris@42: 	     && SIMD_VSTRIDE_OK(ms)
Chris@42:              && ((me - mb) % VL) == 0
Chris@42:              && ((mb - 1) % VL) == 0 /* twiddle factors alignment */
Chris@42: 	     && ALIGNED(Rp)
Chris@42: 	     && ALIGNED(Rm)
Chris@42: 	     && Ip == Rp + 1
Chris@42: 	     && Im == Rm + 1);
Chris@42: }
Chris@42: 
Chris@42: EXTERN_CONST(hc2c_genus, XSIMD(rdft_hc2cbv_genus)) = { hc2cbv_okp, HC2R, VL };
Chris@42: 
Chris@42: static int hc2cfv_okp(const R *Rp, const R *Ip, const R *Rm, const R *Im, 
Chris@42: 		      INT rs, INT mb, INT me, INT ms, 
Chris@42: 		      const planner *plnr)
Chris@42: {
Chris@42:      return (1
Chris@42: 	     && !NO_SIMDP(plnr)
Chris@42: 	     && SIMD_STRIDE_OK(rs)
Chris@42: 	     && SIMD_VSTRIDE_OK(ms)
Chris@42:              && ((me - mb) % VL) == 0
Chris@42:              && ((mb - 1) % VL) == 0 /* twiddle factors alignment */
Chris@42: 	     && ALIGNED(Rp)
Chris@42: 	     && ALIGNED(Rm)
Chris@42: 	     && Ip == Rp + 1
Chris@42: 	     && Im == Rm + 1);
Chris@42: }
Chris@42: 
Chris@42: EXTERN_CONST(hc2c_genus, XSIMD(rdft_hc2cfv_genus)) = { hc2cfv_okp, R2HC, VL };