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root / src / fftw-3.3.8 / dft / scalar / codelets / n1_6.c @ 167:bd3cc4d1df30
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/*
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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 Thu May 24 08:04:10 EDT 2018 */
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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 6 -name n1_6 -include dft/scalar/n.h */
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/*
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* This function contains 36 FP additions, 12 FP multiplications,
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* (or, 24 additions, 0 multiplications, 12 fused multiply/add),
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* 23 stack variables, 2 constants, and 24 memory accesses
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*/
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#include "dft/scalar/n.h" |
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static void n1_6(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(24, is), MAKE_VOLATILE_STRIDE(24, os)) { |
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E T3, Tb, Tp, Tx, T6, Tc, T9, Td, Ta, Te, Ti, Tu, Tl, Tv, Tq; |
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E Ty; |
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{
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E T1, T2, Tn, To; |
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T1 = ri[0];
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T2 = ri[WS(is, 3)];
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T3 = T1 - T2; |
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Tb = T1 + T2; |
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Tn = ii[0];
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To = ii[WS(is, 3)];
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Tp = Tn - To; |
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Tx = Tn + To; |
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} |
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{
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E T4, T5, T7, T8; |
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T4 = ri[WS(is, 2)];
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T5 = ri[WS(is, 5)];
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T6 = T4 - T5; |
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Tc = T4 + T5; |
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T7 = ri[WS(is, 4)];
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T8 = ri[WS(is, 1)];
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T9 = T7 - T8; |
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Td = T7 + T8; |
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} |
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Ta = T6 + T9; |
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Te = Tc + Td; |
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{
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E Tg, Th, Tj, Tk; |
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Tg = ii[WS(is, 2)];
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Th = ii[WS(is, 5)];
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Ti = Tg - Th; |
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Tu = Tg + Th; |
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Tj = ii[WS(is, 4)];
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Tk = ii[WS(is, 1)];
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Tl = Tj - Tk; |
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Tv = Tj + Tk; |
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} |
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Tq = Ti + Tl; |
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Ty = Tu + Tv; |
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ro[WS(os, 3)] = T3 + Ta;
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io[WS(os, 3)] = Tp + Tq;
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ro[0] = Tb + Te;
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io[0] = Tx + Ty;
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{
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E Tf, Tm, Tr, Ts; |
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Tf = FNMS(KP500000000, Ta, T3); |
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Tm = Ti - Tl; |
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ro[WS(os, 5)] = FNMS(KP866025403, Tm, Tf);
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ro[WS(os, 1)] = FMA(KP866025403, Tm, Tf);
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Tr = FNMS(KP500000000, Tq, Tp); |
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Ts = T9 - T6; |
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io[WS(os, 1)] = FMA(KP866025403, Ts, Tr);
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io[WS(os, 5)] = FNMS(KP866025403, Ts, Tr);
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} |
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{
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E Tt, Tw, Tz, TA; |
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Tt = FNMS(KP500000000, Te, Tb); |
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Tw = Tu - Tv; |
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ro[WS(os, 2)] = FNMS(KP866025403, Tw, Tt);
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ro[WS(os, 4)] = FMA(KP866025403, Tw, Tt);
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Tz = FNMS(KP500000000, Ty, Tx); |
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TA = Td - Tc; |
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io[WS(os, 2)] = FNMS(KP866025403, TA, Tz);
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io[WS(os, 4)] = FMA(KP866025403, TA, Tz);
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} |
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} |
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} |
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} |
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static const kdft_desc desc = { 6, "n1_6", {24, 0, 12, 0}, &GENUS, 0, 0, 0, 0 }; |
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void X(codelet_n1_6) (planner *p) {
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X(kdft_register) (p, n1_6, &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 6 -name n1_6 -include dft/scalar/n.h */
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/*
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* This function contains 36 FP additions, 8 FP multiplications,
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* (or, 32 additions, 4 multiplications, 4 fused multiply/add),
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* 23 stack variables, 2 constants, and 24 memory accesses
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*/
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#include "dft/scalar/n.h" |
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static void n1_6(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(24, is), MAKE_VOLATILE_STRIDE(24, os)) { |
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E T3, Tb, Tq, Tx, T6, Tc, T9, Td, Ta, Te, Ti, Tu, Tl, Tv, Tr; |
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E Ty; |
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{
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E T1, T2, To, Tp; |
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T1 = ri[0];
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T2 = ri[WS(is, 3)];
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T3 = T1 - T2; |
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Tb = T1 + T2; |
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To = ii[0];
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Tp = ii[WS(is, 3)];
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Tq = To - Tp; |
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Tx = To + Tp; |
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} |
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{
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E T4, T5, T7, T8; |
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T4 = ri[WS(is, 2)];
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T5 = ri[WS(is, 5)];
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T6 = T4 - T5; |
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Tc = T4 + T5; |
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T7 = ri[WS(is, 4)];
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T8 = ri[WS(is, 1)];
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T9 = T7 - T8; |
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Td = T7 + T8; |
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} |
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Ta = T6 + T9; |
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Te = Tc + Td; |
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{
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E Tg, Th, Tj, Tk; |
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Tg = ii[WS(is, 2)];
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Th = ii[WS(is, 5)];
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Ti = Tg - Th; |
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Tu = Tg + Th; |
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Tj = ii[WS(is, 4)];
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Tk = ii[WS(is, 1)];
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Tl = Tj - Tk; |
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Tv = Tj + Tk; |
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} |
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Tr = Ti + Tl; |
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Ty = Tu + Tv; |
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ro[WS(os, 3)] = T3 + Ta;
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io[WS(os, 3)] = Tq + Tr;
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ro[0] = Tb + Te;
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io[0] = Tx + Ty;
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{
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E Tf, Tm, Tn, Ts; |
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Tf = FNMS(KP500000000, Ta, T3); |
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Tm = KP866025403 * (Ti - Tl); |
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ro[WS(os, 5)] = Tf - Tm;
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ro[WS(os, 1)] = Tf + Tm;
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Tn = KP866025403 * (T9 - T6); |
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Ts = FNMS(KP500000000, Tr, Tq); |
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io[WS(os, 1)] = Tn + Ts;
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io[WS(os, 5)] = Ts - Tn;
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} |
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{
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E Tt, Tw, Tz, TA; |
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Tt = FNMS(KP500000000, Te, Tb); |
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Tw = KP866025403 * (Tu - Tv); |
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ro[WS(os, 2)] = Tt - Tw;
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ro[WS(os, 4)] = Tt + Tw;
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Tz = FNMS(KP500000000, Ty, Tx); |
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TA = KP866025403 * (Td - Tc); |
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io[WS(os, 2)] = Tz - TA;
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io[WS(os, 4)] = TA + Tz;
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} |
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} |
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} |
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} |
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static const kdft_desc desc = { 6, "n1_6", {32, 4, 4, 0}, &GENUS, 0, 0, 0, 0 }; |
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void X(codelet_n1_6) (planner *p) {
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X(kdft_register) (p, n1_6, &desc); |
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} |
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#endif
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