/* * 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 08:04:10 EDT 2018 */ #include "dft/codelet-dft.h" #if defined(ARCH_PREFERS_FMA) || defined(ISA_EXTENSION_PREFERS_FMA) /* Generated by: ../../../genfft/gen_notw.native -fma -compact -variables 4 -pipeline-latency 4 -n 5 -name n1_5 -include dft/scalar/n.h */ /* * This function contains 32 FP additions, 18 FP multiplications, * (or, 14 additions, 0 multiplications, 18 fused multiply/add), * 21 stack variables, 4 constants, and 20 memory accesses */ #include "dft/scalar/n.h" static void n1_5(const R *ri, const R *ii, R *ro, R *io, stride is, stride os, INT v, INT ivs, INT ovs) { DK(KP951056516, +0.951056516295153572116439333379382143405698634); DK(KP559016994, +0.559016994374947424102293417182819058860154590); DK(KP250000000, +0.250000000000000000000000000000000000000000000); DK(KP618033988, +0.618033988749894848204586834365638117720309180); { INT i; for (i = v; i > 0; i = i - 1, ri = ri + ivs, ii = ii + ivs, ro = ro + ovs, io = io + ovs, MAKE_VOLATILE_STRIDE(20, is), MAKE_VOLATILE_STRIDE(20, os)) { E T1, Tl, T8, Tt, Ta, Ts, Te, Tq, Th, To; T1 = ri[0]; Tl = ii[0]; { E T2, T3, T4, T5, T6, T7; T2 = ri[WS(is, 1)]; T3 = ri[WS(is, 4)]; T4 = T2 + T3; T5 = ri[WS(is, 2)]; T6 = ri[WS(is, 3)]; T7 = T5 + T6; T8 = T4 + T7; Tt = T5 - T6; Ta = T4 - T7; Ts = T2 - T3; } { E Tc, Td, Tm, Tf, Tg, Tn; Tc = ii[WS(is, 1)]; Td = ii[WS(is, 4)]; Tm = Tc + Td; Tf = ii[WS(is, 2)]; Tg = ii[WS(is, 3)]; Tn = Tf + Tg; Te = Tc - Td; Tq = Tm - Tn; Th = Tf - Tg; To = Tm + Tn; } ro[0] = T1 + T8; io[0] = Tl + To; { E Ti, Tk, Tb, Tj, T9; Ti = FMA(KP618033988, Th, Te); Tk = FNMS(KP618033988, Te, Th); T9 = FNMS(KP250000000, T8, T1); Tb = FMA(KP559016994, Ta, T9); Tj = FNMS(KP559016994, Ta, T9); ro[WS(os, 4)] = FNMS(KP951056516, Ti, Tb); ro[WS(os, 3)] = FMA(KP951056516, Tk, Tj); ro[WS(os, 1)] = FMA(KP951056516, Ti, Tb); ro[WS(os, 2)] = FNMS(KP951056516, Tk, Tj); } { E Tu, Tw, Tr, Tv, Tp; Tu = FMA(KP618033988, Tt, Ts); Tw = FNMS(KP618033988, Ts, Tt); Tp = FNMS(KP250000000, To, Tl); Tr = FMA(KP559016994, Tq, Tp); Tv = FNMS(KP559016994, Tq, Tp); io[WS(os, 1)] = FNMS(KP951056516, Tu, Tr); io[WS(os, 3)] = FNMS(KP951056516, Tw, Tv); io[WS(os, 4)] = FMA(KP951056516, Tu, Tr); io[WS(os, 2)] = FMA(KP951056516, Tw, Tv); } } } } static const kdft_desc desc = { 5, "n1_5", {14, 0, 18, 0}, &GENUS, 0, 0, 0, 0 }; void X(codelet_n1_5) (planner *p) { X(kdft_register) (p, n1_5, &desc); } #else /* Generated by: ../../../genfft/gen_notw.native -compact -variables 4 -pipeline-latency 4 -n 5 -name n1_5 -include dft/scalar/n.h */ /* * This function contains 32 FP additions, 12 FP multiplications, * (or, 26 additions, 6 multiplications, 6 fused multiply/add), * 21 stack variables, 4 constants, and 20 memory accesses */ #include "dft/scalar/n.h" static void n1_5(const R *ri, const R *ii, R *ro, R *io, stride is, stride os, INT v, INT ivs, INT ovs) { DK(KP250000000, +0.250000000000000000000000000000000000000000000); DK(KP587785252, +0.587785252292473129168705954639072768597652438); DK(KP951056516, +0.951056516295153572116439333379382143405698634); DK(KP559016994, +0.559016994374947424102293417182819058860154590); { INT i; for (i = v; i > 0; i = i - 1, ri = ri + ivs, ii = ii + ivs, ro = ro + ovs, io = io + ovs, MAKE_VOLATILE_STRIDE(20, is), MAKE_VOLATILE_STRIDE(20, os)) { E T1, To, T8, Tt, T9, Ts, Te, Tp, Th, Tn; T1 = ri[0]; To = ii[0]; { E T2, T3, T4, T5, T6, T7; T2 = ri[WS(is, 1)]; T3 = ri[WS(is, 4)]; T4 = T2 + T3; T5 = ri[WS(is, 2)]; T6 = ri[WS(is, 3)]; T7 = T5 + T6; T8 = T4 + T7; Tt = T5 - T6; T9 = KP559016994 * (T4 - T7); Ts = T2 - T3; } { E Tc, Td, Tl, Tf, Tg, Tm; Tc = ii[WS(is, 1)]; Td = ii[WS(is, 4)]; Tl = Tc + Td; Tf = ii[WS(is, 2)]; Tg = ii[WS(is, 3)]; Tm = Tf + Tg; Te = Tc - Td; Tp = Tl + Tm; Th = Tf - Tg; Tn = KP559016994 * (Tl - Tm); } ro[0] = T1 + T8; io[0] = To + Tp; { E Ti, Tk, Tb, Tj, Ta; Ti = FMA(KP951056516, Te, KP587785252 * Th); Tk = FNMS(KP587785252, Te, KP951056516 * Th); Ta = FNMS(KP250000000, T8, T1); Tb = T9 + Ta; Tj = Ta - T9; ro[WS(os, 4)] = Tb - Ti; ro[WS(os, 3)] = Tj + Tk; ro[WS(os, 1)] = Tb + Ti; ro[WS(os, 2)] = Tj - Tk; } { E Tu, Tv, Tr, Tw, Tq; Tu = FMA(KP951056516, Ts, KP587785252 * Tt); Tv = FNMS(KP587785252, Ts, KP951056516 * Tt); Tq = FNMS(KP250000000, Tp, To); Tr = Tn + Tq; Tw = Tq - Tn; io[WS(os, 1)] = Tr - Tu; io[WS(os, 3)] = Tw - Tv; io[WS(os, 4)] = Tu + Tr; io[WS(os, 2)] = Tv + Tw; } } } } static const kdft_desc desc = { 5, "n1_5", {26, 6, 6, 0}, &GENUS, 0, 0, 0, 0 }; void X(codelet_n1_5) (planner *p) { X(kdft_register) (p, n1_5, &desc); } #endif