mirror of
https://github.com/tildearrow/furnace.git
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100 lines
3.6 KiB
C
100 lines
3.6 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 4 -name r2cfII_4 -dft-II -include rdft/scalar/r2cfII.h */
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/*
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* This function contains 6 FP additions, 4 FP multiplications,
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* (or, 2 additions, 0 multiplications, 4 fused multiply/add),
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* 8 stack variables, 1 constants, and 8 memory accesses
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*/
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#include "rdft/scalar/r2cfII.h"
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static void r2cfII_4(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(KP707106781, +0.707106781186547524400844362104849039284835938);
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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(16, rs), MAKE_VOLATILE_STRIDE(16, csr), MAKE_VOLATILE_STRIDE(16, csi)) {
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E T1, T5, T4, T6, T2, T3;
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T1 = R0[0];
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T5 = R0[WS(rs, 1)];
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T2 = R1[0];
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T3 = R1[WS(rs, 1)];
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T4 = T2 - T3;
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T6 = T2 + T3;
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Cr[WS(csr, 1)] = FNMS(KP707106781, T4, T1);
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Ci[WS(csi, 1)] = FNMS(KP707106781, T6, T5);
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Cr[0] = FMA(KP707106781, T4, T1);
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Ci[0] = -(FMA(KP707106781, T6, T5));
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}
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}
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}
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static const kr2c_desc desc = { 4, "r2cfII_4", { 2, 0, 4, 0 }, &GENUS };
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void X(codelet_r2cfII_4) (planner *p) { X(kr2c_register) (p, r2cfII_4, &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 4 -name r2cfII_4 -dft-II -include rdft/scalar/r2cfII.h */
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/*
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* This function contains 6 FP additions, 2 FP multiplications,
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* (or, 6 additions, 2 multiplications, 0 fused multiply/add),
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* 8 stack variables, 1 constants, and 8 memory accesses
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*/
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#include "rdft/scalar/r2cfII.h"
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static void r2cfII_4(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(KP707106781, +0.707106781186547524400844362104849039284835938);
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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(16, rs), MAKE_VOLATILE_STRIDE(16, csr), MAKE_VOLATILE_STRIDE(16, csi)) {
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E T1, T6, T4, T5, T2, T3;
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T1 = R0[0];
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T6 = R0[WS(rs, 1)];
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T2 = R1[0];
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T3 = R1[WS(rs, 1)];
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T4 = KP707106781 * (T2 - T3);
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T5 = KP707106781 * (T2 + T3);
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Cr[WS(csr, 1)] = T1 - T4;
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Ci[WS(csi, 1)] = T6 - T5;
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Cr[0] = T1 + T4;
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Ci[0] = -(T5 + T6);
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}
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}
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}
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static const kr2c_desc desc = { 4, "r2cfII_4", { 6, 2, 0, 0 }, &GENUS };
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void X(codelet_r2cfII_4) (planner *p) { X(kr2c_register) (p, r2cfII_4, &desc);
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}
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#endif
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