/* * Copyright (c) 2003, 2007-8 Matteo Frigo * Copyright (c) 2003, 2007-8 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA * */ /* This file was automatically generated --- DO NOT EDIT */ /* Generated on Sun Jul 12 06:44:21 EDT 2009 */ #include "codelet-rdft.h" #ifdef HAVE_FMA /* Generated by: ../../../genfft/gen_r2cf -fma -reorder-insns -schedule-for-pipeline -compact -variables 4 -pipeline-latency 4 -n 4 -name r2cfII_4 -dft-II -include r2cfII.h */ /* * This function contains 6 FP additions, 4 FP multiplications, * (or, 2 additions, 0 multiplications, 4 fused multiply/add), * 8 stack variables, 1 constants, and 8 memory accesses */ #include "r2cfII.h" static void r2cfII_4(R *R0, R *R1, R *Cr, R *Ci, stride rs, stride csr, stride csi, INT v, INT ivs, INT ovs) { DK(KP707106781, +0.707106781186547524400844362104849039284835938); INT i; for (i = v; i > 0; i = i - 1, R0 = R0 + ivs, R1 = R1 + ivs, Cr = Cr + ovs, Ci = Ci + ovs, MAKE_VOLATILE_STRIDE(rs), MAKE_VOLATILE_STRIDE(csr), MAKE_VOLATILE_STRIDE(csi)) { E T1, T5, T2, T3, T4, T6; T1 = R0[0]; T5 = R0[WS(rs, 1)]; T2 = R1[0]; T3 = R1[WS(rs, 1)]; T4 = T2 - T3; T6 = T2 + T3; Ci[0] = -(FMA(KP707106781, T6, T5)); Ci[WS(csi, 1)] = FNMS(KP707106781, T6, T5); Cr[0] = FMA(KP707106781, T4, T1); Cr[WS(csr, 1)] = FNMS(KP707106781, T4, T1); } } static const kr2c_desc desc = { 4, "r2cfII_4", {2, 0, 4, 0}, &GENUS }; void X(codelet_r2cfII_4) (planner *p) { X(kr2c_register) (p, r2cfII_4, &desc); } #else /* HAVE_FMA */ /* Generated by: ../../../genfft/gen_r2cf -compact -variables 4 -pipeline-latency 4 -n 4 -name r2cfII_4 -dft-II -include r2cfII.h */ /* * This function contains 6 FP additions, 2 FP multiplications, * (or, 6 additions, 2 multiplications, 0 fused multiply/add), * 8 stack variables, 1 constants, and 8 memory accesses */ #include "r2cfII.h" static void r2cfII_4(R *R0, R *R1, R *Cr, R *Ci, stride rs, stride csr, stride csi, INT v, INT ivs, INT ovs) { DK(KP707106781, +0.707106781186547524400844362104849039284835938); INT i; for (i = v; i > 0; i = i - 1, R0 = R0 + ivs, R1 = R1 + ivs, Cr = Cr + ovs, Ci = Ci + ovs, MAKE_VOLATILE_STRIDE(rs), MAKE_VOLATILE_STRIDE(csr), MAKE_VOLATILE_STRIDE(csi)) { E T1, T6, T4, T5, T2, T3; T1 = R0[0]; T6 = R0[WS(rs, 1)]; T2 = R1[0]; T3 = R1[WS(rs, 1)]; T4 = KP707106781 * (T2 - T3); T5 = KP707106781 * (T2 + T3); Cr[WS(csr, 1)] = T1 - T4; Ci[WS(csi, 1)] = T6 - T5; Cr[0] = T1 + T4; Ci[0] = -(T5 + T6); } } static const kr2c_desc desc = { 4, "r2cfII_4", {6, 2, 0, 0}, &GENUS }; void X(codelet_r2cfII_4) (planner *p) { X(kr2c_register) (p, r2cfII_4, &desc); } #endif /* HAVE_FMA */