/* * 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 Thu May 24 08:07:42 EDT 2018 */ #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 3 -name r2cbIII_3 -dft-III -include rdft/scalar/r2cbIII.h */ /* * This function contains 4 FP additions, 3 FP multiplications, * (or, 1 additions, 0 multiplications, 3 fused multiply/add), * 7 stack variables, 2 constants, and 6 memory accesses */ #include "rdft/scalar/r2cbIII.h" static void r2cbIII_3(R *R0, R *R1, R *Cr, R *Ci, stride rs, stride csr, stride csi, INT v, INT ivs, INT ovs) { DK(KP1_732050807, +1.732050807568877293527446341505872366942805254); 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(12, rs), MAKE_VOLATILE_STRIDE(12, csr), MAKE_VOLATILE_STRIDE(12, csi)) { E T4, T1, T2, T3; T4 = Ci[0]; T1 = Cr[WS(csr, 1)]; T2 = Cr[0]; T3 = T2 - T1; R0[0] = FMA(KP2_000000000, T2, T1); R0[WS(rs, 1)] = -(FMA(KP1_732050807, T4, T3)); R1[0] = FNMS(KP1_732050807, T4, T3); } } } static const kr2c_desc desc = { 3, "r2cbIII_3", {1, 0, 3, 0}, &GENUS }; void X(codelet_r2cbIII_3) (planner *p) { X(kr2c_register) (p, r2cbIII_3, &desc); } #else /* 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 */ /* * This function contains 4 FP additions, 2 FP multiplications, * (or, 3 additions, 1 multiplications, 1 fused multiply/add), * 8 stack variables, 2 constants, and 6 memory accesses */ #include "rdft/scalar/r2cbIII.h" static void r2cbIII_3(R *R0, R *R1, R *Cr, R *Ci, stride rs, stride csr, stride csi, INT v, INT ivs, INT ovs) { DK(KP2_000000000, +2.000000000000000000000000000000000000000000000); DK(KP1_732050807, +1.732050807568877293527446341505872366942805254); { 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(12, rs), MAKE_VOLATILE_STRIDE(12, csr), MAKE_VOLATILE_STRIDE(12, csi)) { E T5, T1, T2, T3, T4; T4 = Ci[0]; T5 = KP1_732050807 * T4; T1 = Cr[WS(csr, 1)]; T2 = Cr[0]; T3 = T2 - T1; R0[0] = FMA(KP2_000000000, T2, T1); R0[WS(rs, 1)] = -(T3 + T5); R1[0] = T3 - T5; } } } static const kr2c_desc desc = { 3, "r2cbIII_3", {3, 1, 1, 0}, &GENUS }; void X(codelet_r2cbIII_3) (planner *p) { X(kr2c_register) (p, r2cbIII_3, &desc); } #endif