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geometry_eo.c
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geometry_eo.c
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/*****************************************************************************
* Copyright (C) 2001 Martin Hasenbusch
* 2002,2003,2004,2005,2006,2007,2008 Carsten Urbach
*
* Modified by Jenifer Gonzalez Lopez 31.03.2009
*
*
* 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/>.
*
*
* Subroutines related to the lattice geometry
*
* The externally accessible function is
*
* void geometry_eo(void)
* Computes the index arrays g_ipt, g_iup, g_idn, g_lexic2eo and g_eo2lexic
*
*
*******************************************************************************/
#ifdef HAVE_CONFIG_H
# include<config.h>
#endif
#include <stdlib.h>
#include <stdio.h>
#include <math.h>
#include <assert.h>
#include "global.h"
#include "su3.h"
#include "su3adj.h"
#include "mpi_init.h"
#if ((defined PARALLELX) || (defined PARALLELXY) || (defined PARALLELXYZ))
/* This is the version of the function Index introduced for Aurora-like parallelizations (mainly xyz) */
int Index(const int x0, const int x1, const int x2, const int x3) {
/* defined for all points in the internal lattice */
/* and for those points in the external lattice such that: */
/* - up to 2 directions out of the lattice, */
/* - one direction up to distance 2 out of the lattice, */
/* - the other direction up to distance 1 out of the lattice. */
int y0, y1, y2, y3, ix;
y0 = (x0 + T ) % T;
y1 = (x1 + LX) % LX;
y2 = (x2 + LY) % LY;
y3 = (x3 + LZ) % LZ;
ix = ((y0*LX + y1)*LY + y2)*LZ + y3;
/* x-Rand */
if(x1 == LX){
ix = VOLUME + y0*LY*LZ + y2*LZ + y3;
}
if(x1 == -1){
ix = VOLUME + T*LY*LZ + y0*LY*LZ + y2*LZ + y3;
}
#if (defined PARALLELXY || defined PARALLELXYZ)
/* y-Rand */
if(x2 == LY) {
ix = VOLUME + 2*T*LY*LZ + y0*LX*LZ + y1*LZ + y3;
}
if(x2 == -1) {
ix = VOLUME + 2*T*LY*LZ + T*LX*LZ + y0*LX*LZ + y1*LZ + y3;
}
/* yx-edge */
if(x1 == LX) {
if(x2 == LY) {
ix = VOLUME + RAND + y0*LZ + y3;
}
if(x2 == -1) {
ix = VOLUME + RAND + T*LZ + y0*LZ + y3;
}
}
if(x1 == -1) {
if(x2 == LY) {
ix = VOLUME + RAND + 2*T*LZ + y0*LZ + y3;
}
if(x2 == -1) {
ix = VOLUME + RAND + 3*T*LZ + y0*LZ + y3;
}
}
#endif /* endif of PARALLELXY || PARALLELXYZ */
#if defined PARALLELXYZ
/* z-Rand */
if(x3 == LZ) {
ix = VOLUME + 2*T*LY*LZ + 2*T*LX*LZ + y0*LX*LY + y1*LY + y2;
}
if(x3 == -1) {
ix = VOLUME + 2*T*LY*LZ + 2*T*LX*LZ + T*LX*LY + y0*LX*LY + y1*LY + y2;
}
/* zx-edge */
if(x1 == LX) {
if(x3 == LZ) {
ix = VOLUME + RAND + 4*T*LZ + y0*LY + y2;
}
if(x3 == -1) {
ix = VOLUME + RAND + 4*T*LZ + T*LY + y0*LY + y2;
}
}
if(x1 == -1) {
if(x3 == LZ) {
ix = VOLUME + RAND + 4*T*LZ + 2*T*LY + y0*LY + y2;
}
if(x3 == -1) {
ix = VOLUME + RAND + 4*T*LZ + 3*T*LY + y0*LY + y2;
}
}
/* zy-edge */
if(x3 == LZ) {
if(x2 == LY) {
ix = VOLUME + RAND + 4*T*LZ + 4*T*LY + y0*LX + y1;
}
if(x2 == -1) {
ix = VOLUME + RAND + 4*T*LZ + 4*T*LY + 2*T*LX + y0*LX + y1;
}
}
if(x3 == -1) {
if(x2 == LY) {
ix = VOLUME + RAND + 4*T*LZ + 4*T*LY + T*LX + y0*LX + y1;
}
if(x2 == -1) {
ix = VOLUME + RAND + 4*T*LZ + 4*T*LY + 3*T*LX + y0*LX + y1;
}
}
#endif /* endif of PARALLELXYZ */
/* The DBW2 stuff --> second boundary slice */
/* This we put a the very end. */
/* x2-rand+ */
if(x1 == LX+1) {
ix = VOLUMEPLUSRAND + y0*LY*LZ + y2*LZ + y3;
# if (defined PARALLELXY || defined PARALLELXYZ)
/* x2y */
if(x2 == LY) {
ix = VOLUMEPLUSRAND + RAND + y0*LZ + y3;
}
else if(x2 == -1) {
ix = VOLUMEPLUSRAND + RAND + 1*T*LZ + y0*LZ + y3;
}
# endif /* endif of PARALLELXY || PARALLELXYZ */
# if defined PARALLELXYZ
/* x2z */
else if(x3 == LZ) {
ix = VOLUMEPLUSRAND + RAND + 8*T*LZ + 4*T*LY + y0*LY + y2;
}
else if(x3 == -1) {
ix = VOLUMEPLUSRAND + RAND + 8*T*LZ + 5*T*LY + y0*LY + y2;
}
# endif /* endif of PARALLELXYZ */
}
/* x2-rand- */
if(x1 == -2) {
ix = VOLUMEPLUSRAND + T*LY*LZ + y0*LY*LZ + y2*LZ + y3;
# if (defined PARALLELXY || defined PARALLELXYZ)
/* x2y */
if(x2 == LY) {
ix = VOLUMEPLUSRAND + RAND + 2*T*LZ + y0*LZ + y3;
}
else if(x2 == -1) {
ix = VOLUMEPLUSRAND + RAND + 3*T*LZ + y0*LZ + y3;
}
# endif /* endif of PARALLELXY || PARALLELXYZ */
# if defined PARALLELXYZ
/* x2z */
else if(x3 == LZ) {
ix = VOLUMEPLUSRAND + RAND + 8*T*LZ + 6*T*LY + y0*LY + y2;
}
else if(x3 == -1) {
ix = VOLUMEPLUSRAND + RAND + 8*T*LZ + 7*T*LY + y0*LY + y2;
}
# endif /* endif of PARALLELXYZ */
}
#if (defined PARALLELXY || defined PARALLELXYZ)
/* y2-rand+ */
if(x2 == LY+1) {
ix = VOLUMEPLUSRAND + 2*T*LY*LZ + y0*LX*LZ + y1*LZ + y3;
/* y2x */
if(x1 == LX) {
ix = VOLUMEPLUSRAND + RAND + 4*T*LZ + y0*LZ + y3;
}
else if (x1 == -1) {
ix = VOLUMEPLUSRAND + RAND + 6*T*LZ + y0*LZ + y3;
}
# if defined PARALLELXYZ
/* y2z */
else if(x3 == LZ) {
ix = VOLUMEPLUSRAND + RAND + 8*T*LZ + 8*T*LY + 4*T*LX + y0*LX + y1;
}
else if(x3 == -1) {
ix = VOLUMEPLUSRAND + RAND + 8*T*LZ + 8*T*LY + 5*T*LX + y0*LX + y1;
}
# endif /* endif of PARALLELXYZ */
}
/* y2-rand- */
if(x2 == -2) {
ix = VOLUMEPLUSRAND + 2*T*LY*LZ + T*LX*LZ + y0*LX*LZ + y1*LZ + y3;
/* y2x */
if(x1 == LX) {
ix = VOLUMEPLUSRAND + RAND + 5*T*LZ + y0*LZ + y3;
}
else if (x1 == -1) {
ix = VOLUMEPLUSRAND + RAND + 7*T*LZ + y0*LZ + y3;
}
# if defined PARALLELXYZ
/* y2z */
else if(x3 == LZ) {
ix = VOLUMEPLUSRAND + RAND + 8*T*LZ + 8*T*LY + 6*T*LX + y0*LX + y1;
}
else if(x3 == -1) {
ix = VOLUMEPLUSRAND + RAND + 8*T*LZ + 8*T*LY + 7*T*LX + y0*LX + y1;
}
# endif /* endif of PARALLELXYZ */
}
#endif /* endif of PARALLELXY || PARALLELXYZ */
#if defined PARALLELXYZ
/* z2-rand+ */
if(x3 == LZ+1) {
ix = VOLUMEPLUSRAND + 2*T*LY*LZ + 2*T*LX*LZ + y0*LX*LY + y1*LY + y2;
/* z2x */
if(x1 == LX) {
ix = VOLUMEPLUSRAND + RAND + 8*T*LZ + y0*LY + y2;
}
else if (x1 == -1) {
ix = VOLUMEPLUSRAND + RAND + 8*T*LZ + 2*T*LY + y0*LY + y2;
}
/* z2y */
else if(x2 == LY) {
ix = VOLUMEPLUSRAND + RAND + 8*T*LZ + 8*T*LY + y0*LX + y1;
}
else if(x2 == -1) {
ix = VOLUMEPLUSRAND + RAND + 8*T*LZ + 8*T*LY + 2*T*LX + y0*LX + y1;
}
}
/* z2-rand- */
if(x3 == -2) {
ix = VOLUMEPLUSRAND + 2*T*LY*LZ + 2*T*LX*LZ + T*LX*LY + y0*LX*LY + y1*LY + y2;
/* z2x */
if(x1 == LX) {
ix = VOLUMEPLUSRAND + RAND + 8*T*LZ + T*LY + y0*LY + y2;
}
else if(x1 == -1) {
ix = VOLUMEPLUSRAND + RAND + 8*T*LZ + 3*T*LY + y0*LY + y2;
}
/* z2y */
else if(x2 == LY) {
ix = VOLUMEPLUSRAND + RAND + 8*T*LZ + 8*T*LY + 1*T*LX + y0*LX + y1;
}
else if(x2 == -1) {
ix = VOLUMEPLUSRAND + RAND + 8*T*LZ + 8*T*LY + 3*T*LX + y0*LX + y1;
}
}
#endif /* endif of PARALLELXYZ */
return(ix);
}
#else /* original version of Index(): used for no parallelization or PARALLEL*T */
int Index(const int x0, const int x1, const int x2, const int x3) {
int y0, y1, y2, y3, ix;
#ifdef WITHLAPH
y0 = x0;
#else
y0 = (x0 + T ) % T;
#endif
y1 = (x1 + LX) % LX;
y2 = (x2 + LY) % LY;
y3 = (x3 + LZ) % LZ;
ix = ((y0*LX + y1)*LY + y2)*LZ + y3;
y0=x0; /* ?!? */
#if ((defined PARALLELT) || (defined PARALLELXT) || (defined PARALLELXYT) || (defined PARALLELXYZT))
if(x0 == T) {
ix = VOLUME + y3 + LZ*y2 + LZ*LY*y1;
}
/* the slice at time -1 is put to T+1 */
else if(x0 == -1) {
ix = VOLUME + LX*LY*LZ + y3 + LZ*y2 + LZ*LY*y1;
}
#endif
#if ((defined PARALLELXT) || (defined PARALLELXYT) || (defined PARALLELXYZT))
if(x1 == LX){
ix = VOLUME + 2*LX*LY*LZ + y0*LY*LZ + y2*LZ + y3;
}
if(x1 == -1){
ix = VOLUME + 2*LX*LY*LZ + T*LY*LZ + y0*LY*LZ + y2*LZ + y3;
}
/* The edges */
/* xt-edge */
if(x0 == T){
if(x1 == LX){
ix = VOLUME+RAND+y2*LZ+y3;
}
if(x1 == -1){
ix = VOLUME+RAND+LY*LZ+y2*LZ+y3;
}
}
if(x0 == -1){
if(x1 == LX){
ix = VOLUME+RAND+2*LY*LZ+y2*LZ+y3;
}
if(x1 == -1){
ix = VOLUME+RAND+3*LY*LZ+y2*LZ+y3;
}
}
#endif /* endif of PARALLELXT || PARALLELXYT || PARALLELXYZT */
#if (defined PARALLELXYT || defined PARALLELXYZT)
/* y-Rand */
if(x2 == LY) {
ix = VOLUME + 2*LX*LY*LZ + 2*T*LY*LZ + y0*LX*LZ + y1*LZ + y3;
}
if(x2 == -1) {
ix = VOLUME + 2*LX*LY*LZ + 2*T*LY*LZ + T*LX*LZ + y0*LX*LZ + y1*LZ + y3;
}
/* the edges */
/* yx-edge */
if(x1 == LX) {
if(x2 == LY) {
ix = VOLUME + RAND + 4*LY*LZ + y0*LZ + y3;
}
if(x2 == -1) {
ix = VOLUME + RAND + 4*LY*LZ + T*LZ + y0*LZ + y3;
}
}
if(x1 == -1) {
if(x2 == LY) {
ix = VOLUME + RAND + 4*LY*LZ + 2*T*LZ + y0*LZ + y3;
}
if(x2 == -1) {
ix = VOLUME + RAND + 4*LY*LZ + 3*T*LZ + y0*LZ + y3;
}
}
/* ty-edge */
/* Be carefully here! Here we need y first, then t */
/* this is because the chain is first t dir, then y direction */
/* this is oposit to the other edges ! */
if(x2 == LY) {
if(x0 == T) {
ix = VOLUME + RAND + 4*LY*LZ + 4*T*LZ + y1*LZ + y3;
}
if(x0 == -1) {
ix = VOLUME + RAND + 4*LY*LZ + 4*T*LZ + LX*LZ + y1*LZ + y3;
}
}
if(x2 == -1) {
if(x0 == T) {
ix = VOLUME + RAND + 4*LY*LZ + 4*T*LZ + 2*LX*LZ + y1*LZ + y3;
}
if(x0 == -1) {
ix = VOLUME + RAND + 4*LY*LZ + 4*T*LZ + 3*LX*LZ + y1*LZ + y3;
}
}
#endif /* endif of PARALLELXYT || PARALLELXYZT */
#if defined PARALLELXYZT
/* z-Rand */
if(x3 == LZ) {
ix = VOLUME + 2*LX*LY*LZ + 2*T*LY*LZ + 2*T*LX*LZ
+ y0*LX*LY + y1*LY + y2;
}
if(x3 == -1) {
ix = VOLUME + 2*LX*LY*LZ + 2*T*LY*LZ + 2*T*LX*LZ + T*LX*LY
+ y0*LX*LY + y1*LY + y2;
}
/* the edges */
/* zx-edge */
if(x1 == LX) {
if(x3 == LZ) {
ix = VOLUME + RAND + 4*LY*LZ + 4*T*LZ + 4*LX*LZ
+ y0*LY + y2;
}
if(x3 == -1) {
ix = VOLUME + RAND + 4*LY*LZ + 4*T*LZ + 4*LX*LZ + T*LY
+ y0*LY + y2;
}
}
if(x1 == -1) {
if(x3 == LZ) {
ix = VOLUME + RAND + 4*LY*LZ + 4*T*LZ + 4*LX*LZ + 2*T*LY
+ y0*LY + y2;
}
if(x3 == -1) {
ix = VOLUME + RAND + 4*LY*LZ + 4*T*LZ + 4*LX*LZ + 3*T*LY
+ y0*LY + y2;
}
}
/* tz-edge */
if(x3 == LZ) {
if(x0 == T) {
ix = VOLUME + RAND + 4*LY*LZ + 4*T*LZ + 4*LX*LZ + 4*T*LY
+ y1*LY + y2;
}
if(x0 == -1) {
ix = VOLUME + RAND + 4*LY*LZ + 4*T*LZ + 4*LX*LZ + 4*T*LY + LX*LY
+ y1*LY + y2;
}
}
if(x3 == -1) {
if(x0 == T) {
ix = VOLUME + RAND + 4*LY*LZ + 4*T*LZ + 4*LX*LZ + 4*T*LY + 2*LX*LY
+ y1*LY + y2;
}
if(x0 == -1) {
ix = VOLUME + RAND + 4*LY*LZ + 4*T*LZ + 4*LX*LZ + 4*T*LY + 3*LX*LY
+ y1*LY + y2;
}
}
/* zy-edge */
if(x3 == LZ) {
if(x2 == LY) {
ix = VOLUME + RAND + 4*LY*LZ + 4*T*LZ + 4*LX*LZ + 4*T*LY + 4*LX*LY
+ y0*LX + y1;
}
if(x2 == -1) {
ix = VOLUME + RAND + 4*LY*LZ + 4*T*LZ + 4*LX*LZ + 4*T*LY + 4*LX*LY + 2*T*LX
+ y0*LX + y1;
}
}
if(x3 == -1) {
if(x2 == LY) {
ix = VOLUME + RAND + 4*LY*LZ + 4*T*LZ + 4*LX*LZ + 4*T*LY + 4*LX*LY + T*LX
+ y0*LX + y1;
}
if(x2 == -1) {
ix = VOLUME + RAND + 4*LY*LZ + 4*T*LZ + 4*LX*LZ + 4*T*LY + 4*LX*LY + 3*T*LX
+ y0*LX + y1;
}
}
#endif /* endif of PARALLELXYZT */
/* The DBW2 stuff --> second boundary slice */
/* This we put a the very end. */
#if ((defined PARALLELT) || (defined PARALLELXT) || (defined PARALLELXYT) || (defined PARALLELXYZT))
if(x0 == T+1) {
ix = VOLUMEPLUSRAND + y3 + LZ*y2 + LZ*LY*y1;
# if ((defined PARALLELXT) || (defined PARALLELXYT) || (defined PARALLELXYZT))
/* t2x */
if(x1 == LX) {
ix = VOLUMEPLUSRAND + RAND
+ y2*LZ + y3;
}
else if (x1 == -1) {
ix = VOLUMEPLUSRAND + RAND + 1*LY*LZ
+ y2*LZ + y3;
}
# endif /* endif of PARALLELXT || PARALLELXYT || PARALLELXYZT */
# if (defined PARALLELXYT || defined PARALLELXYZT)
/* t2y */
else if(x2 == LY) {
ix = VOLUMEPLUSRAND + RAND + 8*LY*LZ + 8*T*LZ
+ y1*LZ + y3;
}
else if(x2 == -1) {
ix = VOLUMEPLUSRAND + RAND + 8*LY*LZ + 8*T*LZ + 2*LX*LZ
+ y1*LZ + y3;
}
# endif /* endif of PARALLELXYT || PARALLELXYZT */
# if defined PARALLELXYZT
/* t2z */
else if(x3 == LZ) {
ix = VOLUMEPLUSRAND + RAND + 8*LY*LZ + 8*T*LZ + 8*LX*LZ
+ y1*LY + y2;
}
else if(x3 == -1) {
ix = VOLUMEPLUSRAND + RAND + 8*LY*LZ + 8*T*LZ + 8*LX*LZ + 2*LX*LY
+ y1*LY + y2;
}
# endif /* endif of PARALLELXYZT */
}
/* the slice at time -2 is put behind the one at time T+1 */
else if(x0 == -2) {
ix = VOLUMEPLUSRAND + LX*LY*LZ + y3 + LZ*y2 + LZ*LY*y1;
# if ((defined PARALLELXT) || (defined PARALLELXYT) || (defined PARALLELXYZT))
/* t2x */
if(x1 == LX) {
ix = VOLUMEPLUSRAND + RAND + 2*LY*LZ
+ y2*LZ + y3;
}
else if (x1 == -1) {
ix = VOLUMEPLUSRAND + RAND + 3*LY*LZ
+ y2*LZ + y3;
}
# endif /* endif of PARALLELXT || PARALLELXYT || PARALLELXYZT */
# if (defined PARALLELXYT || defined PARALLELXYZT)
/* t2y */
else if(x2 == LY) {
ix = VOLUMEPLUSRAND + RAND + 8*LY*LZ + 8*T*LZ + LX*LZ
+ y1*LZ + y3;
}
else if(x2 == -1) {
ix = VOLUMEPLUSRAND + RAND + 8*LY*LZ + 8*T*LZ + 3*LX*LZ
+ y1*LZ + y3;
}
# endif /* endif of PARALLELXYT || PARALLELXYZT */
# if defined PARALLELXYZT
/* t2z */
else if(x3 == LZ) {
ix = VOLUMEPLUSRAND + RAND + 8*LY*LZ + 8*T*LZ + 8*LX*LZ + LX*LY
+ y1*LY + y2;
}
else if(x3 == -1) {
ix = VOLUMEPLUSRAND + RAND + 8*LY*LZ + 8*T*LZ + 8*LX*LZ + 3*LX*LY
+ y1*LY + y2;
}
# endif /* endif of PARALLELXYZT */
}
#endif /* endif of PARALLELT || PARALLELXT || PARALLELXYT || PARALLELXYZT */
#if ((defined PARALLELXT) || (defined PARALLELXYT) || defined PARALLELXYZT)
if(x1 == LX+1) {
ix = VOLUMEPLUSRAND + 2*LX*LY*LZ + y0*LY*LZ + y2*LZ + y3;
/* x2t */
if(x0 == T) {
ix = VOLUMEPLUSRAND + RAND + 4*LY*LZ
+ y2*LZ + y3;
}
else if (x0 == -1) {
ix = VOLUMEPLUSRAND + RAND + 6*LY*LZ
+ y2*LZ + y3;
}
# if (defined PARALLELXYT || defined PARALLELXYZT)
/* x2y */
else if(x2 == LY) {
ix = VOLUMEPLUSRAND + RAND + 8*LY*LZ
+ y0*LZ + y3;
}
else if(x2 == -1) {
ix = VOLUMEPLUSRAND + RAND + 8*LY*LZ + 1*T*LZ
+ y0*LZ + y3;
}
# endif /* endif of PARALLELXYT || PARALLELXYZT */
# if defined PARALLELXYZT
/* x2z */
else if(x3 == LZ) {
ix = VOLUMEPLUSRAND + RAND + 8*LY*LZ + 8*T*LZ + 8*LX*LZ + 8*LX*LY + 4*T*LY
+ y0*LY + y2;
}
else if(x3 == -1) {
ix = VOLUMEPLUSRAND + RAND + 8*LY*LZ + 8*T*LZ + 8*LX*LZ + 8*LX*LY + 5*T*LY
+ y0*LY + y2;
}
# endif /* endif of PARALLELXYZT */
}
if(x1 == -2) {
ix = VOLUMEPLUSRAND + 2*LX*LY*LZ + T*LY*LZ + y0*LY*LZ + y2*LZ + y3;
/* x2t */
if(x0 == T) {
ix = VOLUMEPLUSRAND + RAND + 5*LY*LZ
+ y2*LZ + y3;
}
else if(x0 == -1) {
ix = VOLUMEPLUSRAND + RAND + 7*LY*LZ
+ y2*LZ + y3;
}
# if (defined PARALLELXYT || defined PARALLELXYZT)
/* x2y */
else if(x2 == LY) {
ix = VOLUMEPLUSRAND + RAND + 8*LY*LZ + 2*T*LZ
+ y0*LZ + y3;
}
else if(x2 == -1) {
ix = VOLUMEPLUSRAND + RAND + 8*LY*LZ + 3*T*LZ
+ y0*LZ + y3;
}
# endif /* endif of PARALLELXYT || PARALLELXYZT */
# if defined PARALLELXYZT
/* x2z */
else if(x3 == LZ) {
ix = VOLUMEPLUSRAND + RAND + 8*LY*LZ + 8*T*LZ + 8*LX*LZ + 8*LX*LY + 6*T*LY
+ y0*LY + y2;
}
else if(x3 == -1) {
ix = VOLUMEPLUSRAND + RAND + 8*LY*LZ + 8*T*LZ + 8*LX*LZ + 8*LX*LY + 7*T*LY
+ y0*LY + y2;
}
# endif /* endif of PARALLELXYZT */
}
#endif /* endif of PARALLELXT || PARALLELXYT || PARALLELXYZT */
#if (defined PARALLELXYT || defined PARALLELXYZT)
if(x2 == LY+1) {
ix = VOLUMEPLUSRAND + 2*LX*LY*LZ + 2*T*LY*LZ + y0*LX*LZ + y1*LZ + y3;
/* y2x */
if(x1 == LX) {
ix = VOLUMEPLUSRAND + RAND + 8*LY*LZ + 4*T*LZ
+ y0*LZ + y3;
}
else if (x1 == -1) {
ix = VOLUMEPLUSRAND + RAND + 8*LY*LZ + 6*T*LZ
+ y0*LZ + y3;
}
/* y2t */
else if(x0 == T) {
ix = VOLUMEPLUSRAND + RAND + 8*LY*LZ + 8*T*LZ + 4*LX*LZ
+ y1*LZ + y3;
}
else if(x0 == -1) {
ix = VOLUMEPLUSRAND + RAND + 8*LY*LZ + 8*T*LZ + 5*LX*LZ
+ y1*LZ + y3;
}
# if defined PARALLELXYZT
/* y2z */
else if(x3 == LZ) {
ix = VOLUMEPLUSRAND + RAND + 8*LY*LZ + 8*T*LZ + 8*LX*LZ + 8*LX*LY + 8*T*LY + 4*T*LX
+ y0*LX + y1;
}
else if(x3 == -1) {
ix = VOLUMEPLUSRAND + RAND + 8*LY*LZ + 8*T*LZ + 8*LX*LZ + 8*LX*LY + 8*T*LY + 5*T*LX
+ y0*LX + y1;
}
# endif /* endif of PARALLELXYZT */
}
if(x2 == -2) {
ix = VOLUMEPLUSRAND + 2*LX*LY*LZ + 2*T*LY*LZ + T*LX*LZ + y0*LX*LZ + y1*LZ + y3;
/* y2x */
if(x1 == LX) {
ix = VOLUMEPLUSRAND + RAND + 8*LY*LZ + 5*T*LZ
+ y0*LZ + y3;
}
else if (x1 == -1) {
ix = VOLUMEPLUSRAND + RAND + 8*LY*LZ + 7*T*LZ
+ y0*LZ + y3;
}
/* y2t */
else if(x0 == T) {
ix = VOLUMEPLUSRAND + RAND + 8*LY*LZ + 8*T*LZ + 6*LX*LZ
+ y1*LZ + y3;
}
else if (x0 == -1) {
ix = VOLUMEPLUSRAND + RAND + 8*LY*LZ + 8*T*LZ + 7*LX*LZ
+ y1*LZ + y3;
}
# if defined PARALLELXYZT
/* y2z */
else if(x3 == LZ) {
ix = VOLUMEPLUSRAND + RAND + 8*LY*LZ + 8*T*LZ + 8*LX*LZ + 8*LX*LY + 8*T*LY + 6*T*LX
+ y0*LX + y1;
}
else if(x3 == -1) {
ix = VOLUMEPLUSRAND + RAND + 8*LY*LZ + 8*T*LZ + 8*LX*LZ + 8*LX*LY + 8*T*LY + 7*T*LX
+ y0*LX + y1;
}
# endif /* endif of PARALLELXYZT */
}
#endif /* endif of PARALLELXYT || PARALLELXYZT */
#if defined PARALLELXYZT
/* z2-Rand */
if(x3 == LZ+1) {
if((x0 < T) && (x0 > -1) && (x1 < LX) && (x1 > -1) && (x2 > -1) && (x2 < LY)) {
ix = VOLUMEPLUSRAND + 2*LX*LY*LZ + 2*T*LY*LZ + 2*T*LX*LZ + y0*LX*LY + y1*LY + y2;
}
/* z2x */
else if(x1 == LX) {
ix = VOLUMEPLUSRAND + RAND + 8*LY*LZ + 8*T*LZ + 8*LX*LZ + 8*LX*LY
+ y0*LY + y2;
}
else if (x1 == -1) {
ix = VOLUMEPLUSRAND + RAND + 8*LY*LZ + 8*T*LZ + 8*LX*LZ + 8*LX*LY + 2*T*LY
+ y0*LY + y2;
}
/* z2t */
else if(x0 == T) {
ix = VOLUMEPLUSRAND + RAND + 8*LY*LZ + 8*T*LZ + 8*LX*LZ + 4*LX*LY
+ y1*LY + y2;
}
else if(x0 == -1) {
ix = VOLUMEPLUSRAND + RAND + 8*LY*LZ + 8*T*LZ + 8*LX*LZ + 5*LX*LY
+ y1*LY + y2;
}
/* z2y */
else if(x2 == LY) {
ix = VOLUMEPLUSRAND + RAND + 8*LY*LZ + 8*T*LZ + 8*LX*LZ + 8*LX*LY + 8*T*LY
+ y0*LX + y1;
}
else if(x2 == -1) {
ix = VOLUMEPLUSRAND + RAND + 8*LY*LZ + 8*T*LZ + 8*LX*LZ + 8*LX*LY + 8*T*LY + 2*T*LX
+ y0*LX + y1;
}
}
if(x3 == -2) {
if((x0 < T) && (x0 > -1) && (x1 < LX) && (x1 > -1) && (x2 > -1) && (x2 < LY)) {
ix = VOLUMEPLUSRAND + 2*LX*LY*LZ + 2*T*LY*LZ + 2*T*LX*LZ + T*LX*LY + y0*LX*LY + y1*LY + y2;
}
/* z2x */
else if(x1 == LX) {
ix = VOLUMEPLUSRAND + RAND + 8*LY*LZ + 8*T*LZ + 8*LX*LZ + 8*LX*LY + T*LY
+ y0*LY + y2;
}
else if(x1 == -1) {
ix = VOLUMEPLUSRAND + RAND + 8*LY*LZ + 8*T*LZ + 8*LX*LZ + 8*LX*LY + 3*T*LY
+ y0*LY + y2;
}
/* z2t */
else if(x0 == T) {
ix = VOLUMEPLUSRAND + RAND + 8*LY*LZ + 8*T*LZ + 8*LX*LZ + 6*LX*LY
+ y1*LY + y2;
}
else if(x0 == -1) {
ix = VOLUMEPLUSRAND + RAND + 8*LY*LZ + 8*T*LZ + 8*LX*LZ + 7*LX*LY
+ y1*LY + y2;
}
/* z2y */
else if(x2 == LY) {
ix = VOLUMEPLUSRAND + RAND + 8*LY*LZ + 8*T*LZ + 8*LX*LZ + 8*LX*LY + 8*T*LY + 1*T*LX
+ y0*LX + y1;
}
else if(x2 == -1) {
ix = VOLUMEPLUSRAND + RAND + 8*LY*LZ + 8*T*LZ + 8*LX*LZ + 8*LX*LY + 8*T*LY + 3*T*LX
+ y0*LX + y1;
}
}
#endif /* endif of PARALLELXYZT */
/* if(ix == 372) { */
/* printf("## %d %d %d %d ix = %d, %d %d %d %d\n", x0, x1, x2, x3, ix, T, LX, LY, LZ); */
/* } */
return(ix);
}
#endif /* PARALLEL??? */
void geometry(){
int x0,x1,x2,x3,ix;
int y0, y1, y2, y3, j;
int bndcnt=0;
int i_even,i_odd;
int startvaluet = 0;
int startvaluex = 0;
int startvaluey = 0;
int startvaluez = 0;
int * xeven;
#if defined MPI
int isp, *ones, *oneS, *oneL;
int lsliceS, lsliceL, check_struct_zt;
#endif
xeven = malloc(VOLUMEPLUSRAND*sizeof(int));
#if (defined PARALLELT || defined PARALLELXT || defined PARALLELXYT || defined PARALLELXYZT)
startvaluet = 1;
#endif
#if (defined PARALLELXT || defined PARALLELXYT || defined PARALLELXYZT || defined PARALLELX || defined PARALLELXY || defined PARALLELXYZ )
startvaluex = 1;
#endif
#if (defined PARALLELXYT || defined PARALLELXYZT || defined PARALLELXY || defined PARALLELXYZ )
startvaluey = 1;
#endif
#if (defined PARALLELXYZT || defined PARALLELXYZ )
startvaluez = 1;
#endif
/*** Coordinates for SFBC ***/
/* it finds which are the values of t,x,y,z (x0,x1,x2,x3) for each lattice site x (ix) */
/* the result is written in the global variables g_t[ix], g_x[ix], g_y[ix], g_z[ix], respectively */
g_t=(int*)malloc(sizeof(int)*VOLUME);
if(g_t==NULL) {
fprintf(stderr,"allocation of memory failed");
exit(-1);
}
g_x=(int*)malloc(sizeof(int)*VOLUME);
if(g_x==NULL) {
fprintf(stderr,"allocation of memory failed");
exit(-1);
}
g_y=(int*)malloc(sizeof(int)*VOLUME);
if(g_y==NULL) {
fprintf(stderr,"allocation of memory failed");
exit(-1);
}
g_z=(int*)malloc(sizeof(int)*VOLUME);
if(g_z==NULL) {
fprintf(stderr,"allocation of memory failed");
exit(-1);
}
for (x0 = 0 ; x0 < T ; x0++) {
for (x1 = 0 ; x1 < LX ; x1++) {
for (x2 = 0 ; x2 < LY ; x2++) {
for (x3 = 0 ; x3 < LZ ; x3++) {
ix = Index(x0, x1, x2, x3);
g_t[ix] = x0;
g_x[ix] = x1;
g_y[ix] = x2;
g_z[ix] = x3;
}
}
}
}
/*** END OF coordinates SFBC ***/
/* extended for boundary slices */
for (x0 = -startvaluet; x0 < (T+startvaluet); x0++){
for (x1 = -startvaluex; x1 < (LX+startvaluex); x1++){
for (x2 = -startvaluey; x2 < (LY+startvaluey); x2++){
for (x3 = -startvaluez; x3 < (LZ+startvaluez); x3++){
bndcnt = 0;
if(x0 < 0 || x0 > T-1) bndcnt++;
if(x1 < 0 || x1 > LX-1) bndcnt++;
if(x2 < 0 || x2 > LY-1) bndcnt++;
if(x3 < 0 || x3 > LZ-1) bndcnt++;
y0=x0; y1=x1; y2=x2; y3=x3;
if(x0 == -1) {
y0 = T+1;
}
if(x1 == -1) {
y1 = LX+1;
}
if(x2 == -1) {
y2 = LY+1;
}
if(x3 == -1) {
y3 = LZ+1;
}
if(bndcnt > 2) {
/* Should not be needed, set it to -1 */
g_ipt[y0][y1][y2][y3] = -1;
}
else {
ix=Index(x0, x1, x2, x3);
g_ipt[y0][y1][y2][y3] = ix;
/* g_proc_id*T|LX|LY|LZ is added to allow for odd T|LX|LY|LZ when the number of
nodes is even */
if((x0 + x1 + x2 + x3 +
g_proc_coords[0]*T + g_proc_coords[1]*LX +
g_proc_coords[2]*LY + g_proc_coords[3]*LZ)%2==0) {
xeven[ix]=1;
}
else {
xeven[ix]=0;
}
g_iup[ix][0] = Index(x0+1, x1, x2, x3);
g_idn[ix][0] = Index(x0-1, x1, x2, x3);
g_iup[ix][1] = Index(x0, x1+1, x2, x3);
g_idn[ix][1] = Index(x0, x1-1, x2, x3);
g_iup[ix][2] = Index(x0, x1, x2+1, x3);
g_idn[ix][2] = Index(x0, x1, x2-1, x3);
g_iup[ix][3] = Index(x0, x1, x2, x3+1);
g_idn[ix][3] = Index(x0, x1, x2, x3-1);
if(ix<VOLUME){
g_coord[ix][0]=x0+g_proc_coords[0]*T;
g_coord[ix][1]=x1+g_proc_coords[1]*LX;
g_coord[ix][2]=x2+g_proc_coords[2]*LY;
g_coord[ix][3]=x3+g_proc_coords[3]*LZ;
}
}
}
}
}
}
#ifdef WITHLAPH
tempT=T;
T=1;
tempV=VOLUME;
VOLUME=SPACEVOLUME;
tempR=RAND;
RAND=SPACERAND;
x0=0;
for (x1 = 0; x1 < (LX); x1++){
for (x2 = 0; x2 < (LY); x2++){
for (x3 = 0; x3 < (LZ); x3++){
ix=Index(x0, x1, x2, x3);
g_iup3d[ix][0] = -1;
g_idn3d[ix][0] = -1;
g_iup3d[ix][1] = Index(x0, x1+1, x2, x3);
g_idn3d[ix][1] = Index(x0, x1-1, x2, x3);
g_iup3d[ix][2] = Index(x0, x1, x2+1, x3);
g_idn3d[ix][2] = Index(x0, x1, x2-1, x3);
g_iup3d[ix][3] = Index(x0, x1, x2, x3+1);
g_idn3d[ix][3] = Index(x0, x1, x2, x3-1);
}
}
}
T=tempT;
VOLUME=tempV;
RAND=tempR;
#endif
i_even=0;
i_odd=0;
/*For the spinor fields we need only till VOLUME+RAND */
for (ix = 0; ix < (VOLUME+RAND); ix++){
if(xeven[ix]==1){
g_lexic2eo[ix] = i_even;
g_lexic2eosub[ix] = i_even;
g_eo2lexic[i_even] = ix;
i_even++;
}
else{
g_lexic2eo[ix] = (VOLUME+RAND)/2+i_odd;
g_lexic2eosub[ix] = i_odd;
g_eo2lexic[(VOLUME+RAND)/2+i_odd] = ix;
i_odd++;
}
}
for(j=0; j<4; j++){ // NEW GIUPDNEO
for(ix=0;ix< (VOLUME+RAND);ix++){
g_iup_eo[ix][j]=g_lexic2eosub[g_iup[g_eo2lexic[ix]][j]];
g_idn_eo[ix][j]=g_lexic2eosub[g_idn[g_eo2lexic[ix]][j]];
}
}
/* this if statement will be removed in future and _INDEX_INDEP_GEOM will be the default */
#if defined _INDEX_INDEP_GEOM
# ifdef _USE_TSPLITPAR
/* compute the first point (in eo system) of each timeslice */
for (x0 = 0; x0 < T; x0++){
ix = Index(x0,0,0,0);
if(xeven[ix]==1){
g_1st_eot[x0][0]=g_lexic2eo[ix];
g_1st_eot[x0][1]=g_lexic2eo[ix+1];
}else{
g_1st_eot[x0][0]=g_lexic2eo[ix+1];
g_1st_eot[x0][1]=g_lexic2eo[ix];
}
/* Starting points of ?t slices (eo) */
g_1st_xt_int_dn[x0]=g_lexic2eosub[Index(x0,0,0,0)];
g_1st_xt_int_up[x0]=g_lexic2eosub[Index(x0,LX-1,0,0)];
g_1st_xt_ext_dn[x0]=g_lexic2eosub[Index(x0,-1,0,0)];
g_1st_xt_ext_up[x0]=g_lexic2eosub[Index(x0,LX,0,0)];
g_1st_yt_int_dn[x0]=g_lexic2eosub[Index(x0,0,0,0)];
g_1st_yt_int_up[x0]=g_lexic2eosub[Index(x0,0,LY-1,0)];
g_1st_yt_ext_dn[x0]=g_lexic2eosub[Index(x0,0,-1,0)];
g_1st_yt_ext_up[x0]=g_lexic2eosub[Index(x0,0,LY,0)];
g_1st_zt_int_dn[x0]=g_lexic2eosub[Index(x0,0,0,0)];
g_1st_zt_int_up[x0]=g_lexic2eosub[Index(x0,0,0,LZ-1)];
g_1st_zt_ext_dn[x0]=g_lexic2eosub[Index(x0,0,0,-1)];
g_1st_zt_ext_up[x0]=g_lexic2eosub[Index(x0,0,0,LZ)];
}
# endif
/* Starting points of the t, x, y, z slices at the borders (eo) */
g_1st_t_int_dn=g_lexic2eosub[Index(0,0,0,0)];
g_1st_t_int_up=g_lexic2eosub[Index(T-1,0,0,0)];
g_1st_t_ext_dn=g_lexic2eosub[Index(-1,0,0,0)];
g_1st_t_ext_up=g_lexic2eosub[Index(T,0,0,0)];
g_1st_x_int_dn=g_lexic2eosub[Index(0,0,0,0)];
g_1st_x_int_up=g_lexic2eosub[Index(0,LX-1,0,0)];
g_1st_x_ext_dn=g_lexic2eosub[Index(0,-1,0,0)];
g_1st_x_ext_up=g_lexic2eosub[Index(0,LX,0,0)];
g_1st_y_int_dn=g_lexic2eosub[Index(0,0,0,0)];
g_1st_y_int_up=g_lexic2eosub[Index(0,0,LY-1,0)];
g_1st_y_ext_dn=g_lexic2eosub[Index(0,0,-1,0)];
g_1st_y_ext_up=g_lexic2eosub[Index(0,0,LY,0)];
g_1st_z_int_dn=g_lexic2eosub[Index(0,0,0,0)];
g_1st_z_int_up=g_lexic2eosub[Index(0,0,0,LZ-1)];
g_1st_z_ext_dn=g_lexic2eosub[Index(0,0,0,-1)];