mirror of
https://github.com/tildearrow/furnace.git
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126 lines
4.5 KiB
C
126 lines
4.5 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 10:46:24 EDT 2021 */
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#include "rdft/codelet-rdft.h"
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#if defined(ARCH_PREFERS_FMA) || defined(ISA_EXTENSION_PREFERS_FMA)
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/* Generated by: ../../../genfft/gen_r2cf.native -fma -compact -variables 4 -pipeline-latency 4 -n 5 -name r2cfII_5 -dft-II -include rdft/scalar/r2cfII.h */
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/*
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* This function contains 12 FP additions, 7 FP multiplications,
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* (or, 7 additions, 2 multiplications, 5 fused multiply/add),
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* 17 stack variables, 4 constants, and 10 memory accesses
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*/
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#include "rdft/scalar/r2cfII.h"
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static void r2cfII_5(R *R0, R *R1, R *Cr, R *Ci, stride rs, stride csr, stride csi, INT v, INT ivs, INT ovs)
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{
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DK(KP559016994, +0.559016994374947424102293417182819058860154590);
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DK(KP250000000, +0.250000000000000000000000000000000000000000000);
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DK(KP618033988, +0.618033988749894848204586834365638117720309180);
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DK(KP951056516, +0.951056516295153572116439333379382143405698634);
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{
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INT i;
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for (i = v; i > 0; i = i - 1, R0 = R0 + ivs, R1 = R1 + ivs, Cr = Cr + ovs, Ci = Ci + ovs, MAKE_VOLATILE_STRIDE(20, rs), MAKE_VOLATILE_STRIDE(20, csr), MAKE_VOLATILE_STRIDE(20, csi)) {
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E T1, T4, T7, T8, Tc, Tb, T9, Ta;
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T1 = R0[0];
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{
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E T2, T3, T5, T6;
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T2 = R0[WS(rs, 1)];
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T3 = R1[WS(rs, 1)];
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T4 = T2 - T3;
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T5 = R0[WS(rs, 2)];
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T6 = R1[0];
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T7 = T5 - T6;
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T8 = T4 + T7;
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Tc = T5 + T6;
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Tb = T2 + T3;
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}
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Cr[WS(csr, 2)] = T1 + T8;
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Ci[WS(csi, 1)] = -(KP951056516 * (FNMS(KP618033988, Tb, Tc)));
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Ci[0] = -(KP951056516 * (FMA(KP618033988, Tc, Tb)));
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T9 = FNMS(KP250000000, T8, T1);
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Ta = T4 - T7;
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Cr[0] = FMA(KP559016994, Ta, T9);
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Cr[WS(csr, 1)] = FNMS(KP559016994, Ta, T9);
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}
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}
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}
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static const kr2c_desc desc = { 5, "r2cfII_5", { 7, 2, 5, 0 }, &GENUS };
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void X(codelet_r2cfII_5) (planner *p) { X(kr2c_register) (p, r2cfII_5, &desc);
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}
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#else
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/* Generated by: ../../../genfft/gen_r2cf.native -compact -variables 4 -pipeline-latency 4 -n 5 -name r2cfII_5 -dft-II -include rdft/scalar/r2cfII.h */
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/*
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* This function contains 12 FP additions, 6 FP multiplications,
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* (or, 9 additions, 3 multiplications, 3 fused multiply/add),
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* 17 stack variables, 4 constants, and 10 memory accesses
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*/
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#include "rdft/scalar/r2cfII.h"
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static void r2cfII_5(R *R0, R *R1, R *Cr, R *Ci, stride rs, stride csr, stride csi, INT v, INT ivs, INT ovs)
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{
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DK(KP250000000, +0.250000000000000000000000000000000000000000000);
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DK(KP559016994, +0.559016994374947424102293417182819058860154590);
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DK(KP951056516, +0.951056516295153572116439333379382143405698634);
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DK(KP587785252, +0.587785252292473129168705954639072768597652438);
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{
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INT i;
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for (i = v; i > 0; i = i - 1, R0 = R0 + ivs, R1 = R1 + ivs, Cr = Cr + ovs, Ci = Ci + ovs, MAKE_VOLATILE_STRIDE(20, rs), MAKE_VOLATILE_STRIDE(20, csr), MAKE_VOLATILE_STRIDE(20, csi)) {
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E T8, T3, T6, T9, Tc, Tb, T7, Ta;
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T8 = R0[0];
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{
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E T1, T2, T4, T5;
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T1 = R0[WS(rs, 1)];
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T2 = R1[WS(rs, 1)];
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T3 = T1 - T2;
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T4 = R0[WS(rs, 2)];
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T5 = R1[0];
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T6 = T4 - T5;
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T9 = T3 + T6;
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Tc = T4 + T5;
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Tb = T1 + T2;
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}
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Cr[WS(csr, 2)] = T8 + T9;
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Ci[WS(csi, 1)] = FNMS(KP951056516, Tc, KP587785252 * Tb);
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Ci[0] = -(FMA(KP951056516, Tb, KP587785252 * Tc));
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T7 = KP559016994 * (T3 - T6);
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Ta = FNMS(KP250000000, T9, T8);
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Cr[0] = T7 + Ta;
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Cr[WS(csr, 1)] = Ta - T7;
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}
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}
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}
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static const kr2c_desc desc = { 5, "r2cfII_5", { 9, 3, 3, 0 }, &GENUS };
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void X(codelet_r2cfII_5) (planner *p) { X(kr2c_register) (p, r2cfII_5, &desc);
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}
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#endif
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