cannam@127: /*
cannam@127:  * Copyright (c) 2003, 2007-14 Matteo Frigo
cannam@127:  * Copyright (c) 2003, 2007-14 Massachusetts Institute of Technology
cannam@127:  *
cannam@127:  * This program is free software; you can redistribute it and/or modify
cannam@127:  * it under the terms of the GNU General Public License as published by
cannam@127:  * the Free Software Foundation; either version 2 of the License, or
cannam@127:  * (at your option) any later version.
cannam@127:  *
cannam@127:  * This program is distributed in the hope that it will be useful,
cannam@127:  * but WITHOUT ANY WARRANTY; without even the implied warranty of
cannam@127:  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
cannam@127:  * GNU General Public License for more details.
cannam@127:  *
cannam@127:  * You should have received a copy of the GNU General Public License
cannam@127:  * along with this program; if not, write to the Free Software
cannam@127:  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
cannam@127:  *
cannam@127:  */
cannam@127: 
cannam@127: #include "codelet-rdft.h"
cannam@127: #include SIMD_HEADER
cannam@127: 
cannam@127: #define EXTERN_CONST(t, x) extern const t x; const t x
cannam@127: 
cannam@127: static int hc2cbv_okp(const R *Rp, const R *Ip, const R *Rm, const R *Im, 
cannam@127: 		      INT rs, INT mb, INT me, INT ms, 
cannam@127: 		      const planner *plnr)
cannam@127: {
cannam@127:      return (1
cannam@127: 	     && !NO_SIMDP(plnr)
cannam@127: 	     && SIMD_STRIDE_OK(rs)
cannam@127: 	     && SIMD_VSTRIDE_OK(ms)
cannam@127:              && ((me - mb) % VL) == 0
cannam@127:              && ((mb - 1) % VL) == 0 /* twiddle factors alignment */
cannam@127: 	     && ALIGNED(Rp)
cannam@127: 	     && ALIGNED(Rm)
cannam@127: 	     && Ip == Rp + 1
cannam@127: 	     && Im == Rm + 1);
cannam@127: }
cannam@127: 
cannam@127: EXTERN_CONST(hc2c_genus, XSIMD(rdft_hc2cbv_genus)) = { hc2cbv_okp, HC2R, VL };
cannam@127: 
cannam@127: static int hc2cfv_okp(const R *Rp, const R *Ip, const R *Rm, const R *Im, 
cannam@127: 		      INT rs, INT mb, INT me, INT ms, 
cannam@127: 		      const planner *plnr)
cannam@127: {
cannam@127:      return (1
cannam@127: 	     && !NO_SIMDP(plnr)
cannam@127: 	     && SIMD_STRIDE_OK(rs)
cannam@127: 	     && SIMD_VSTRIDE_OK(ms)
cannam@127:              && ((me - mb) % VL) == 0
cannam@127:              && ((mb - 1) % VL) == 0 /* twiddle factors alignment */
cannam@127: 	     && ALIGNED(Rp)
cannam@127: 	     && ALIGNED(Rm)
cannam@127: 	     && Ip == Rp + 1
cannam@127: 	     && Im == Rm + 1);
cannam@127: }
cannam@127: 
cannam@127: EXTERN_CONST(hc2c_genus, XSIMD(rdft_hc2cfv_genus)) = { hc2cfv_okp, R2HC, VL };