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/*@@
@file Utils.c
@date Tue 4th July 2000
@author Gabrielle Allen
@desc
Utility routines which may be called by other IO thorns
@enddesc
@history
@endhistory
@version $Header$
@@*/
/*#define DEBUG_IOUTIL*/
#include "cctk.h"
#include "cctk_Parameters.h"
static char *rcsid = "$Header$";
CCTK_FILEVERSION(CactusBase_IOUtils_Utils_c)
/********************************************************************
********************* External Routines **********************
********************************************************************/
/*@@
@routine IOUtil_1DLines
@date July 4 2000
@author Gabrielle Allen, Gerd Lanfermann, Thomas Radke
@desc
Fills out an array determining where to position 1D lines for output
on a multidimensional regular Cartesian unigrid.
The first slot of the array specifies the 1D line direction, the
second slot fixes the indices of the starting point of that line on the
grid.
@enddesc
@calls
@calledby
@history
@endhistory
@@*/
int IOUtil_1DLines (cGH *GH,
int dimension,
int **index,
CCTK_REAL **coord,
int **spxyz)
{
DECLARE_CCTK_PARAMETERS
int ierr=0;
int dim, dir;
CCTK_REAL lower,upper;
const char *name=NULL;
CCTK_REAL lowercoords[3]={0,0,0};
CCTK_REAL uppercoords[3]={0,0,0};
/* Get the appropriate coordinate system */
switch (dimension)
{
case 1:
name = "cart1d";
ierr = CCTK_CoordRange(GH, &lower, &upper, 1, NULL, name);
if (ierr>-1)
{
lowercoords[0] = lower;
uppercoords[0] = upper;
}
break;
case 2:
name = "cart2d";
ierr = CCTK_CoordRange(GH, &lower, &upper, 1, NULL, name);
if (ierr>-1)
{
lowercoords[0] = lower;
uppercoords[0] = upper;
}
ierr = CCTK_CoordRange(GH, &lower, &upper, 2, NULL, name);
if (ierr>-1)
{
lowercoords[1] = lower;
uppercoords[1] = upper;
}
break;
case 3:
name = "cart3d";
ierr = CCTK_CoordRange(GH, &lower, &upper, 1, NULL, name);
if (ierr>-1)
{
lowercoords[0] = lower;
uppercoords[0] = upper;
}
ierr = CCTK_CoordRange(GH, &lower, &upper, 2, NULL, name);
if (ierr>-1)
{
lowercoords[1] = lower;
uppercoords[1] = upper;
}
ierr = CCTK_CoordRange(GH, &lower, &upper, 3, NULL, name);
if (ierr>-1)
{
lowercoords[2] = lower;
uppercoords[2] = upper;
}
break;
default:
CCTK_VWarn(4,__LINE__,__FILE__,"IOASCII",
"IOUtil_1DLines: Support only for dim<=3");
ierr = -1;
break;
}
for (dir = 0; dir < dimension; dir++)
{
for (dim = 0; dim < dimension; dim++)
{
if (dim == dir)
{
spxyz[dir][dim] = 0;
}
else if (index && index[dir][dim]>-1)
{
spxyz[dir][dim] = index[dir][dim];
}
else if (ierr < 0)
{
CCTK_VWarn(4, __LINE__,__FILE__,"IOASCII",
"IOUtil_1DLines: Cartesian coordinate system %s not found",
name);
spxyz[dir][dim] = 0;
}
else if (lowercoords[dim]>coord[dir][dim] ||
uppercoords[dim]<coord[dir][dim])
{
CCTK_VWarn(2,__LINE__,__FILE__,"IOUtil",
"IOUtil_1DLines: Coordinate in direction %d (%f,%f)"
" doesn't contain %f",
dim,lowercoords[dim],uppercoords[dim],coord[dir][dim]);
spxyz[dir][dim] = 0;
}
else
{
/* Find index for first point above the chosen coordinate */
spxyz[dir][dim] = 0.5-(lowercoords[dim]-coord[dir][dim])/
(GH->cctk_delta_space[dim]);
#ifdef DEBUG_IOUTIL
printf("spxyz for %d-coord of lines in %d-direction is %d\n",
dim,dir,spxyz[dir][dim]);
#endif
}
}
}
return 0;
}
int IOUtil_2DPlanes (cGH *GH,
int dimension,
int *index,
CCTK_REAL *coord,
int *sp2xyz)
{
DECLARE_CCTK_PARAMETERS
int ierr=0;
int dir;
CCTK_REAL lower,upper;
const char *name=NULL;
CCTK_REAL lowercoords[3]={0,0,0};
CCTK_REAL uppercoords[3]={0,0,0};
/* Get the appropriate coordinate system */
/* Get the appropriate coordinate system */
switch (dimension)
{
case 1:
name = "cart1d";
ierr = CCTK_CoordRange(GH, &lower, &upper, 1, NULL, name);
if (ierr>-1)
{
lowercoords[0] = lower;
uppercoords[0] = upper;
}
break;
case 2:
name = "cart2d";
ierr = CCTK_CoordRange(GH, &lower, &upper, 1, NULL, name);
if (ierr>-1)
{
lowercoords[0] = lower;
uppercoords[0] = upper;
}
ierr = CCTK_CoordRange(GH, &lower, &upper, 2, NULL, name);
if (ierr>-1)
{
lowercoords[1] = lower;
uppercoords[1] = upper;
}
break;
case 3:
name = "cart3d";
ierr = CCTK_CoordRange(GH, &lower, &upper, 1, NULL, name);
if (ierr>-1)
{
lowercoords[0] = lower;
uppercoords[0] = upper;
}
ierr = CCTK_CoordRange(GH, &lower, &upper, 2, NULL, name);
if (ierr>-1)
{
lowercoords[1] = lower;
uppercoords[1] = upper;
}
ierr = CCTK_CoordRange(GH, &lower, &upper, 3, NULL, name);
if (ierr>-1)
{
lowercoords[2] = lower;
uppercoords[2] = upper;
}
break;
default:
CCTK_VWarn(4,__LINE__,__FILE__,"IOASCII",
"IOUtil_2DPlanes: Support only for dim<=3");
ierr = -1;
break;
}
for (dir = 0; dir < dimension; dir++)
{
if (index && index[dir]>-1)
{
sp2xyz[dir] = index[dir];
}
else if (ierr < 0)
{
CCTK_VWarn(4, __LINE__,__FILE__,"IOUtil",
"IOUtil_2DPlanes: Cartesian coordinate system %s not found",
name);
sp2xyz[dir] = 0;
}
else if (lowercoords[dir]>coord[dir] ||
uppercoords[dir]<coord[dir])
{
CCTK_VWarn(2,__LINE__,__FILE__,"IOUtil",
"IOUtil_2DPlanes: Coordinate in direction %d (%lf,%lf)"
" doesn't contain %f",
dir,lowercoords[dir],uppercoords[dir],coord[dir]);
sp2xyz[dir] = 0;
}
else
{
/* Find index for first point above the chosen coordinate */
sp2xyz[dir] = 0.5-(lowercoords[dir]-coord[dir])/
(GH->cctk_delta_space[dir]);
#ifdef DEBUG_IOUTIL
printf("sp2xyz for planes perpendicular to"
" %d-direction is %d\n",
dir,sp2xyz[dir]);
#endif
}
}
return 0;
}
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