cannam@167: /*
cannam@167:  * Copyright (c) 2003, 2007-14 Matteo Frigo
cannam@167:  * Copyright (c) 2003, 2007-14 Massachusetts Institute of Technology
cannam@167:  *
cannam@167:  * This program is free software; you can redistribute it and/or modify
cannam@167:  * it under the terms of the GNU General Public License as published by
cannam@167:  * the Free Software Foundation; either version 2 of the License, or
cannam@167:  * (at your option) any later version.
cannam@167:  *
cannam@167:  * This program is distributed in the hope that it will be useful,
cannam@167:  * but WITHOUT ANY WARRANTY; without even the implied warranty of
cannam@167:  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
cannam@167:  * GNU General Public License for more details.
cannam@167:  *
cannam@167:  * You should have received a copy of the GNU General Public License
cannam@167:  * along with this program; if not, write to the Free Software
cannam@167:  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
cannam@167:  *
cannam@167:  */
cannam@167: 
cannam@167: /* This file was automatically generated --- DO NOT EDIT */
cannam@167: /* Generated on Thu May 24 08:07:42 EDT 2018 */
cannam@167: 
cannam@167: #include "rdft/codelet-rdft.h"
cannam@167: 
cannam@167: #if defined(ARCH_PREFERS_FMA) || defined(ISA_EXTENSION_PREFERS_FMA)
cannam@167: 
cannam@167: /* Generated by: ../../../genfft/gen_r2cb.native -fma -compact -variables 4 -pipeline-latency 4 -sign 1 -n 3 -name r2cbIII_3 -dft-III -include rdft/scalar/r2cbIII.h */
cannam@167: 
cannam@167: /*
cannam@167:  * This function contains 4 FP additions, 3 FP multiplications,
cannam@167:  * (or, 1 additions, 0 multiplications, 3 fused multiply/add),
cannam@167:  * 7 stack variables, 2 constants, and 6 memory accesses
cannam@167:  */
cannam@167: #include "rdft/scalar/r2cbIII.h"
cannam@167: 
cannam@167: static void r2cbIII_3(R *R0, R *R1, R *Cr, R *Ci, stride rs, stride csr, stride csi, INT v, INT ivs, INT ovs)
cannam@167: {
cannam@167:      DK(KP1_732050807, +1.732050807568877293527446341505872366942805254);
cannam@167:      DK(KP2_000000000, +2.000000000000000000000000000000000000000000000);
cannam@167:      {
cannam@167: 	  INT i;
cannam@167: 	  for (i = v; i > 0; i = i - 1, R0 = R0 + ovs, R1 = R1 + ovs, Cr = Cr + ivs, Ci = Ci + ivs, MAKE_VOLATILE_STRIDE(12, rs), MAKE_VOLATILE_STRIDE(12, csr), MAKE_VOLATILE_STRIDE(12, csi)) {
cannam@167: 	       E T4, T1, T2, T3;
cannam@167: 	       T4 = Ci[0];
cannam@167: 	       T1 = Cr[WS(csr, 1)];
cannam@167: 	       T2 = Cr[0];
cannam@167: 	       T3 = T2 - T1;
cannam@167: 	       R0[0] = FMA(KP2_000000000, T2, T1);
cannam@167: 	       R0[WS(rs, 1)] = -(FMA(KP1_732050807, T4, T3));
cannam@167: 	       R1[0] = FNMS(KP1_732050807, T4, T3);
cannam@167: 	  }
cannam@167:      }
cannam@167: }
cannam@167: 
cannam@167: static const kr2c_desc desc = { 3, "r2cbIII_3", {1, 0, 3, 0}, &GENUS };
cannam@167: 
cannam@167: void X(codelet_r2cbIII_3) (planner *p) {
cannam@167:      X(kr2c_register) (p, r2cbIII_3, &desc);
cannam@167: }
cannam@167: 
cannam@167: #else
cannam@167: 
cannam@167: /* Generated by: ../../../genfft/gen_r2cb.native -compact -variables 4 -pipeline-latency 4 -sign 1 -n 3 -name r2cbIII_3 -dft-III -include rdft/scalar/r2cbIII.h */
cannam@167: 
cannam@167: /*
cannam@167:  * This function contains 4 FP additions, 2 FP multiplications,
cannam@167:  * (or, 3 additions, 1 multiplications, 1 fused multiply/add),
cannam@167:  * 8 stack variables, 2 constants, and 6 memory accesses
cannam@167:  */
cannam@167: #include "rdft/scalar/r2cbIII.h"
cannam@167: 
cannam@167: static void r2cbIII_3(R *R0, R *R1, R *Cr, R *Ci, stride rs, stride csr, stride csi, INT v, INT ivs, INT ovs)
cannam@167: {
cannam@167:      DK(KP2_000000000, +2.000000000000000000000000000000000000000000000);
cannam@167:      DK(KP1_732050807, +1.732050807568877293527446341505872366942805254);
cannam@167:      {
cannam@167: 	  INT i;
cannam@167: 	  for (i = v; i > 0; i = i - 1, R0 = R0 + ovs, R1 = R1 + ovs, Cr = Cr + ivs, Ci = Ci + ivs, MAKE_VOLATILE_STRIDE(12, rs), MAKE_VOLATILE_STRIDE(12, csr), MAKE_VOLATILE_STRIDE(12, csi)) {
cannam@167: 	       E T5, T1, T2, T3, T4;
cannam@167: 	       T4 = Ci[0];
cannam@167: 	       T5 = KP1_732050807 * T4;
cannam@167: 	       T1 = Cr[WS(csr, 1)];
cannam@167: 	       T2 = Cr[0];
cannam@167: 	       T3 = T2 - T1;
cannam@167: 	       R0[0] = FMA(KP2_000000000, T2, T1);
cannam@167: 	       R0[WS(rs, 1)] = -(T3 + T5);
cannam@167: 	       R1[0] = T3 - T5;
cannam@167: 	  }
cannam@167:      }
cannam@167: }
cannam@167: 
cannam@167: static const kr2c_desc desc = { 3, "r2cbIII_3", {3, 1, 1, 0}, &GENUS };
cannam@167: 
cannam@167: void X(codelet_r2cbIII_3) (planner *p) {
cannam@167:      X(kr2c_register) (p, r2cbIII_3, &desc);
cannam@167: }
cannam@167: 
cannam@167: #endif