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/*
* Copyright (c) 2003, 2006 Matteo Frigo
* Copyright (c) 2003, 2006 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
/* This file was automatically generated --- DO NOT EDIT */
/* Generated on Sun Jul 2 14:18:39 EDT 2006 */
#include "codelet-rdft.h"
#ifdef HAVE_FMA
/* Generated by: ../../../genfft/gen_r2hc -fma -reorder-insns -schedule-for-pipeline -compact -variables 4 -pipeline-latency 4 -n 3 -name r2hc_3 -include r2hc.h */
/*
* This function contains 4 FP additions, 2 FP multiplications,
* (or, 3 additions, 1 multiplications, 1 fused multiply/add),
* 7 stack variables, and 6 memory accesses
*/
/*
* Generator Id's :
* $Id: algsimp.ml,v 1.9 2006-02-12 23:34:12 athena Exp $
* $Id: fft.ml,v 1.4 2006-01-05 03:04:27 stevenj Exp $
* $Id: gen_r2hc.ml,v 1.18 2006-02-12 23:34:12 athena Exp $
*/
#include "r2hc.h"
static void r2hc_3(const R *I, R *ro, R *io, stride is, stride ros, stride ios, INT v, INT ivs, INT ovs)
{
DK(KP500000000, +0.500000000000000000000000000000000000000000000);
DK(KP866025403, +0.866025403784438646763723170752936183471402627);
INT i;
for (i = v; i > 0; i = i - 1, I = I + ivs, ro = ro + ovs, io = io + ovs, MAKE_VOLATILE_STRIDE(is), MAKE_VOLATILE_STRIDE(ros), MAKE_VOLATILE_STRIDE(ios)) {
E T1, T2, T3, T4;
T1 = I[0];
T2 = I[WS(is, 1)];
T3 = I[WS(is, 2)];
io[WS(ios, 1)] = KP866025403 * (T3 - T2);
T4 = T2 + T3;
ro[0] = T1 + T4;
ro[WS(ros, 1)] = FNMS(KP500000000, T4, T1);
}
}
static const kr2hc_desc desc = { 3, "r2hc_3", {3, 1, 1, 0}, &GENUS, 0, 0, 0, 0, 0 };
void X(codelet_r2hc_3) (planner *p) {
X(kr2hc_register) (p, r2hc_3, &desc);
}
#else /* HAVE_FMA */
/* Generated by: ../../../genfft/gen_r2hc -compact -variables 4 -pipeline-latency 4 -n 3 -name r2hc_3 -include r2hc.h */
/*
* This function contains 4 FP additions, 2 FP multiplications,
* (or, 3 additions, 1 multiplications, 1 fused multiply/add),
* 7 stack variables, and 6 memory accesses
*/
/*
* Generator Id's :
* $Id: algsimp.ml,v 1.9 2006-02-12 23:34:12 athena Exp $
* $Id: fft.ml,v 1.4 2006-01-05 03:04:27 stevenj Exp $
* $Id: gen_r2hc.ml,v 1.18 2006-02-12 23:34:12 athena Exp $
*/
#include "r2hc.h"
static void r2hc_3(const R *I, R *ro, R *io, stride is, stride ros, stride ios, INT v, INT ivs, INT ovs)
{
DK(KP866025403, +0.866025403784438646763723170752936183471402627);
DK(KP500000000, +0.500000000000000000000000000000000000000000000);
INT i;
for (i = v; i > 0; i = i - 1, I = I + ivs, ro = ro + ovs, io = io + ovs, MAKE_VOLATILE_STRIDE(is), MAKE_VOLATILE_STRIDE(ros), MAKE_VOLATILE_STRIDE(ios)) {
E T1, T2, T3, T4;
T1 = I[0];
T2 = I[WS(is, 1)];
T3 = I[WS(is, 2)];
T4 = T2 + T3;
ro[WS(ros, 1)] = FNMS(KP500000000, T4, T1);
io[WS(ios, 1)] = KP866025403 * (T3 - T2);
ro[0] = T1 + T4;
}
}
static const kr2hc_desc desc = { 3, "r2hc_3", {3, 1, 1, 0}, &GENUS, 0, 0, 0, 0, 0 };
void X(codelet_r2hc_3) (planner *p) {
X(kr2hc_register) (p, r2hc_3, &desc);
}
#endif /* HAVE_FMA */
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