mirror of
https://github.com/tildearrow/furnace.git
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124 lines
4.1 KiB
C
124 lines
4.1 KiB
C
/*
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* Copyright (c) 2003, 2007-14 Matteo Frigo
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* Copyright (c) 2003, 2007-14 Massachusetts Institute of Technology
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*
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*/
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/* This file was automatically generated --- DO NOT EDIT */
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/* Generated on Tue Sep 14 10:44:24 EDT 2021 */
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#include "dft/codelet-dft.h"
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#if defined(ARCH_PREFERS_FMA) || defined(ISA_EXTENSION_PREFERS_FMA)
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/* Generated by: ../../../genfft/gen_notw.native -fma -compact -variables 4 -pipeline-latency 4 -n 3 -name n1_3 -include dft/scalar/n.h */
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/*
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* This function contains 12 FP additions, 6 FP multiplications,
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* (or, 6 additions, 0 multiplications, 6 fused multiply/add),
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* 15 stack variables, 2 constants, and 12 memory accesses
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*/
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#include "dft/scalar/n.h"
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static void n1_3(const R *ri, const R *ii, R *ro, R *io, stride is, stride os, INT v, INT ivs, INT ovs)
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{
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DK(KP866025403, +0.866025403784438646763723170752936183471402627);
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DK(KP500000000, +0.500000000000000000000000000000000000000000000);
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{
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INT i;
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for (i = v; i > 0; i = i - 1, ri = ri + ivs, ii = ii + ivs, ro = ro + ovs, io = io + ovs, MAKE_VOLATILE_STRIDE(12, is), MAKE_VOLATILE_STRIDE(12, os)) {
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E T1, T9, T4, Tc, T8, Ta, T5, Tb;
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T1 = ri[0];
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T9 = ii[0];
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{
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E T2, T3, T6, T7;
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T2 = ri[WS(is, 1)];
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T3 = ri[WS(is, 2)];
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T4 = T2 + T3;
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Tc = T3 - T2;
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T6 = ii[WS(is, 1)];
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T7 = ii[WS(is, 2)];
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T8 = T6 - T7;
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Ta = T6 + T7;
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}
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ro[0] = T1 + T4;
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io[0] = T9 + Ta;
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T5 = FNMS(KP500000000, T4, T1);
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ro[WS(os, 2)] = FNMS(KP866025403, T8, T5);
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ro[WS(os, 1)] = FMA(KP866025403, T8, T5);
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Tb = FNMS(KP500000000, Ta, T9);
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io[WS(os, 1)] = FMA(KP866025403, Tc, Tb);
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io[WS(os, 2)] = FNMS(KP866025403, Tc, Tb);
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}
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}
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}
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static const kdft_desc desc = { 3, "n1_3", { 6, 0, 6, 0 }, &GENUS, 0, 0, 0, 0 };
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void X(codelet_n1_3) (planner *p) { X(kdft_register) (p, n1_3, &desc);
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}
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#else
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/* Generated by: ../../../genfft/gen_notw.native -compact -variables 4 -pipeline-latency 4 -n 3 -name n1_3 -include dft/scalar/n.h */
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/*
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* This function contains 12 FP additions, 4 FP multiplications,
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* (or, 10 additions, 2 multiplications, 2 fused multiply/add),
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* 15 stack variables, 2 constants, and 12 memory accesses
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*/
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#include "dft/scalar/n.h"
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static void n1_3(const R *ri, const R *ii, R *ro, R *io, stride is, stride os, INT v, INT ivs, INT ovs)
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{
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DK(KP500000000, +0.500000000000000000000000000000000000000000000);
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DK(KP866025403, +0.866025403784438646763723170752936183471402627);
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{
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INT i;
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for (i = v; i > 0; i = i - 1, ri = ri + ivs, ii = ii + ivs, ro = ro + ovs, io = io + ovs, MAKE_VOLATILE_STRIDE(12, is), MAKE_VOLATILE_STRIDE(12, os)) {
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E T1, Ta, T4, T9, T8, Tb, T5, Tc;
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T1 = ri[0];
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Ta = ii[0];
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{
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E T2, T3, T6, T7;
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T2 = ri[WS(is, 1)];
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T3 = ri[WS(is, 2)];
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T4 = T2 + T3;
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T9 = KP866025403 * (T3 - T2);
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T6 = ii[WS(is, 1)];
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T7 = ii[WS(is, 2)];
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T8 = KP866025403 * (T6 - T7);
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Tb = T6 + T7;
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}
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ro[0] = T1 + T4;
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io[0] = Ta + Tb;
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T5 = FNMS(KP500000000, T4, T1);
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ro[WS(os, 2)] = T5 - T8;
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ro[WS(os, 1)] = T5 + T8;
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Tc = FNMS(KP500000000, Tb, Ta);
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io[WS(os, 1)] = T9 + Tc;
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io[WS(os, 2)] = Tc - T9;
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}
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}
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}
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static const kdft_desc desc = { 3, "n1_3", { 10, 2, 2, 0 }, &GENUS, 0, 0, 0, 0 };
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void X(codelet_n1_3) (planner *p) { X(kdft_register) (p, n1_3, &desc);
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}
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#endif
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