103 lines
		
	
	
		
			3.8 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
		
		
			
		
	
	
			103 lines
		
	
	
		
			3.8 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 | ||
|  |  * | ||
|  |  */ | ||
|  | 
 | ||
|  | /* This file was automatically generated --- DO NOT EDIT */ | ||
|  | /* Generated on Tue Sep 14 10:46:59 EDT 2021 */ | ||
|  | 
 | ||
|  | #include "rdft/codelet-rdft.h"
 | ||
|  | 
 | ||
|  | #if defined(ARCH_PREFERS_FMA) || defined(ISA_EXTENSION_PREFERS_FMA)
 | ||
|  | 
 | ||
|  | /* Generated by: ../../../genfft/gen_r2cb.native -fma -compact -variables 4 -pipeline-latency 4 -sign 1 -n 4 -name r2cbIII_4 -dft-III -include rdft/scalar/r2cbIII.h */ | ||
|  | 
 | ||
|  | /*
 | ||
|  |  * This function contains 6 FP additions, 4 FP multiplications, | ||
|  |  * (or, 6 additions, 4 multiplications, 0 fused multiply/add), | ||
|  |  * 9 stack variables, 2 constants, and 8 memory accesses | ||
|  |  */ | ||
|  | #include "rdft/scalar/r2cbIII.h"
 | ||
|  | 
 | ||
|  | static void r2cbIII_4(R *R0, R *R1, R *Cr, R *Ci, stride rs, stride csr, stride csi, INT v, INT ivs, INT ovs) | ||
|  | { | ||
|  |      DK(KP1_414213562, +1.414213562373095048801688724209698078569671875); | ||
|  |      DK(KP2_000000000, +2.000000000000000000000000000000000000000000000); | ||
|  |      { | ||
|  | 	  INT i; | ||
|  | 	  for (i = v; i > 0; i = i - 1, R0 = R0 + ovs, R1 = R1 + ovs, Cr = Cr + ivs, Ci = Ci + ivs, MAKE_VOLATILE_STRIDE(16, rs), MAKE_VOLATILE_STRIDE(16, csr), MAKE_VOLATILE_STRIDE(16, csi)) { | ||
|  | 	       E T1, T2, T3, T4, T5, T6; | ||
|  | 	       T1 = Cr[0]; | ||
|  | 	       T2 = Cr[WS(csr, 1)]; | ||
|  | 	       T3 = T1 - T2; | ||
|  | 	       T4 = Ci[0]; | ||
|  | 	       T5 = Ci[WS(csi, 1)]; | ||
|  | 	       T6 = T4 + T5; | ||
|  | 	       R0[0] = KP2_000000000 * (T1 + T2); | ||
|  | 	       R0[WS(rs, 1)] = KP2_000000000 * (T5 - T4); | ||
|  | 	       R1[0] = KP1_414213562 * (T3 - T6); | ||
|  | 	       R1[WS(rs, 1)] = -(KP1_414213562 * (T3 + T6)); | ||
|  | 	  } | ||
|  |      } | ||
|  | } | ||
|  | 
 | ||
|  | static const kr2c_desc desc = { 4, "r2cbIII_4", { 6, 4, 0, 0 }, &GENUS }; | ||
|  | 
 | ||
|  | void X(codelet_r2cbIII_4) (planner *p) { X(kr2c_register) (p, r2cbIII_4, &desc); | ||
|  | } | ||
|  | 
 | ||
|  | #else
 | ||
|  | 
 | ||
|  | /* Generated by: ../../../genfft/gen_r2cb.native -compact -variables 4 -pipeline-latency 4 -sign 1 -n 4 -name r2cbIII_4 -dft-III -include rdft/scalar/r2cbIII.h */ | ||
|  | 
 | ||
|  | /*
 | ||
|  |  * This function contains 6 FP additions, 4 FP multiplications, | ||
|  |  * (or, 6 additions, 4 multiplications, 0 fused multiply/add), | ||
|  |  * 9 stack variables, 2 constants, and 8 memory accesses | ||
|  |  */ | ||
|  | #include "rdft/scalar/r2cbIII.h"
 | ||
|  | 
 | ||
|  | static void r2cbIII_4(R *R0, R *R1, R *Cr, R *Ci, stride rs, stride csr, stride csi, INT v, INT ivs, INT ovs) | ||
|  | { | ||
|  |      DK(KP1_414213562, +1.414213562373095048801688724209698078569671875); | ||
|  |      DK(KP2_000000000, +2.000000000000000000000000000000000000000000000); | ||
|  |      { | ||
|  | 	  INT i; | ||
|  | 	  for (i = v; i > 0; i = i - 1, R0 = R0 + ovs, R1 = R1 + ovs, Cr = Cr + ivs, Ci = Ci + ivs, MAKE_VOLATILE_STRIDE(16, rs), MAKE_VOLATILE_STRIDE(16, csr), MAKE_VOLATILE_STRIDE(16, csi)) { | ||
|  | 	       E T1, T2, T3, T4, T5, T6; | ||
|  | 	       T1 = Cr[0]; | ||
|  | 	       T2 = Cr[WS(csr, 1)]; | ||
|  | 	       T3 = T1 - T2; | ||
|  | 	       T4 = Ci[0]; | ||
|  | 	       T5 = Ci[WS(csi, 1)]; | ||
|  | 	       T6 = T4 + T5; | ||
|  | 	       R0[0] = KP2_000000000 * (T1 + T2); | ||
|  | 	       R0[WS(rs, 1)] = KP2_000000000 * (T5 - T4); | ||
|  | 	       R1[0] = KP1_414213562 * (T3 - T6); | ||
|  | 	       R1[WS(rs, 1)] = -(KP1_414213562 * (T3 + T6)); | ||
|  | 	  } | ||
|  |      } | ||
|  | } | ||
|  | 
 | ||
|  | static const kr2c_desc desc = { 4, "r2cbIII_4", { 6, 4, 0, 0 }, &GENUS }; | ||
|  | 
 | ||
|  | void X(codelet_r2cbIII_4) (planner *p) { X(kr2c_register) (p, r2cbIII_4, &desc); | ||
|  | } | ||
|  | 
 | ||
|  | #endif
 |