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get_staples.c
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get_staples.c
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/***********************************************************************
* Copyright (C) 2002,2003,2004,2005,2006,2007,2008 Carsten Urbach
*
* This file is part of tmLQCD.
*
* tmLQCD 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 3 of the License, or
* (at your option) any later version.
*
* tmLQCD 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 tmLQCD. If not, see <http://www.gnu.org/licenses/>.
***********************************************************************/
#ifdef HAVE_CONFIG_H
# include<config.h>
#endif
#include <stdlib.h>
#include <stdio.h>
#include <math.h>
#include <time.h>
#include "global.h"
#include "su3.h"
#include "su3adj.h"
#include "start.h"
#include "get_staples.h"
void get_staples(su3* const staple, const int x, const int mu, const su3 ** in_gauge_field) {
int iy;
su3 ALIGN st;
const su3 *w1,*w2,*w3;
#ifdef _KOJAK_INST
#pragma pomp inst begin(staples)
#endif
_su3_zero(*staple);
for(int k=0;k<4;k++) {
if(k!=mu){
w1=&in_gauge_field[x][k];
w2=&in_gauge_field[g_iup[x][k]][mu];
w3=&in_gauge_field[g_iup[x][mu]][k];
/* st = w2 * w3^d */
_su3_times_su3d(st,*w2,*w3);
/* v = v + w1 * st */
_su3_times_su3_acc(*staple,*w1,st);
iy=g_idn[x][k];
w1=&in_gauge_field[iy][k];
w2=&in_gauge_field[iy][mu];
w3=&in_gauge_field[g_iup[iy][mu]][k];
/* st = w2 * w3 */
_su3_times_su3(st,*w2,*w3);
/* v = v + w1^d * st */
_su3d_times_su3_acc(*staple,*w1,st);
}
}
#ifdef _KOJAK_INST
#pragma pomp inst end(staples)
#endif
}
void get_spacelike_staples(su3* const staple, const int x, const int mu, const su3 ** in_gauge_field) {
int iy;
su3 ALIGN st;
const su3 *w1,*w2,*w3;
#ifdef _KOJAK_INST
#pragma pomp inst begin(staples)
#endif
_su3_zero(*staple);
for(int k=1;k<4;k++) {
if(k!=mu){
w1=&in_gauge_field[x][k];
w2=&in_gauge_field[g_iup[x][k]][mu];
w3=&in_gauge_field[g_iup[x][mu]][k];
/* st = w2 * w3^d */
_su3_times_su3d(st,*w2,*w3);
/* v = v + w1 * st */
_su3_times_su3_acc(*staple,*w1,st);
iy=g_idn[x][k];
w1=&in_gauge_field[iy][k];
w2=&in_gauge_field[iy][mu];
w3=&in_gauge_field[g_iup[iy][mu]][k];
/* st = w2 * w3 */
_su3_times_su3(st,*w2,*w3);
/* v = v + w1^d * st */
_su3d_times_su3_acc(*staple,*w1,st);
}
}
#ifdef _KOJAK_INST
#pragma pomp inst end(staples)
#endif
}
void get_timelike_staples(su3* const staple, const int x, const int mu, const su3 ** in_gauge_field) {
int iy;
su3 ALIGN st;
const su3 *w1,*w2,*w3;
#ifdef _KOJAK_INST
#pragma pomp inst begin(staples)
#endif
_su3_zero(*staple);
int k = 0;
if(k!=mu){
w1=&in_gauge_field[x][k];
w2=&in_gauge_field[g_iup[x][k]][mu];
w3=&in_gauge_field[g_iup[x][mu]][k];
/* st = w2 * w3^d */
_su3_times_su3d(st,*w2,*w3);
/* v = v + w1 * st */
_su3_times_su3_acc(*staple,*w1,st);
iy=g_idn[x][k];
w1=&in_gauge_field[iy][k];
w2=&in_gauge_field[iy][mu];
w3=&in_gauge_field[g_iup[iy][mu]][k];
/* st = w2 * w3 */
_su3_times_su3(st,*w2,*w3);
/* v = v + w1^d * st */
_su3d_times_su3_acc(*staple,*w1,st);
}
#ifdef _KOJAK_INST
#pragma pomp inst end(staples)
#endif
}