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