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#include <assert.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "cctk.h"
#include "cctk_Arguments.h"
#include "cctk_Parameters.h"
#include "util_ErrorCodes.h"
#include "util_Table.h"
static const char * rcsid = "$Header$";
CCTK_FILEVERSION(Norms_Setup_Vars_c);
struct norms_opts {
int active;
int vi; /* variable index */
CCTK_REAL bg; /* background value which gets subtracted */
};
static void normsgetopt (int const idx,
const char * const optstring,
void * const opts)
{
struct norms_opts * norms_opts;
int table;
int cnt;
int ierr;
CCTK_REAL bg;
assert (idx >= 0 && idx < CCTK_NumVars());
assert (opts);
norms_opts = &((struct norms_opts *)opts)[idx];
assert (! norms_opts->active);
if (optstring) {
assert (optstring);
table = Util_TableCreateFromString (optstring);
if (table < 0) {
char * fullname = CCTK_FullName (idx);
CCTK_VWarn (1, __LINE__, __FILE__, CCTK_THORNSTRING,
"The variable \"%s\" is ignored because it has an invalid option specification in the parameter \"Norms::gridfunctions...\"",
fullname);
free (fullname);
return;
}
assert (table >= 0);
}
norms_opts->active = 1;
norms_opts->vi = idx;
if (optstring) {
cnt = Util_TableGetReal (table, &bg , "bg");
if (cnt < 0) {
norms_opts->bg = 0.; /* don't subtract any background */
} else {
norms_opts->bg = bg;
}
ierr = Util_TableDestroy (table);
assert (!ierr);
} else {
norms_opts->bg = 0.; /* don't subtract any background */
}
}
void Norms_Setup_Vars (CCTK_ARGUMENTS)
{
DECLARE_CCTK_ARGUMENTS;
DECLARE_CCTK_PARAMETERS;
int nvars;
struct norms_opts * norms_opts_1st;
struct norms_opts * norms_opts_2nd;
int n,i;
int ierr;
/* init */
*nr1stvars=0;
*nr2ndvars=0;
if (verbose>6)
CCTK_INFO("here we are in Setup_vars");
if (verbose>0)
CCTK_VInfo(CCTK_THORNSTRING,"Starting Norms Computation at time %f",
(double)cctkGH->cctk_time);
for(i=0;i<max_nr_vars;i++) {
varindices_1st[i]=-1;
varindices_2nd[i]=-1;
bgvals_1st[i]=0.;
bgvals_2nd[i]=0.;
}
nvars = CCTK_NumVars();
assert (nvars >= 0);
norms_opts_1st = malloc (nvars * sizeof *norms_opts_1st);
norms_opts_2nd = malloc (nvars * sizeof *norms_opts_2nd);
assert (norms_opts_1st);
assert (norms_opts_2nd);
for (n=0; n<nvars; ++n) {
norms_opts_1st[n].active = 0;
norms_opts_2nd[n].active = 0;
}
ierr = CCTK_TraverseString
(gridfunctions_1st, normsgetopt, norms_opts_1st, CCTK_GROUP_OR_VAR);
assert (ierr >= 0);
ierr = CCTK_TraverseString
(gridfunctions_2nd, normsgetopt, norms_opts_2nd, CCTK_GROUP_OR_VAR);
assert (ierr >= 0);
if (verbose>0)
CCTK_INFO("We will compute norms for the following variables");
for (n=0; n<nvars; ++n) {
if (norms_opts_1st[n].active) {
assert(*nr1stvars<max_nr_vars);
varindices_1st[*nr1stvars]=norms_opts_1st[n].vi;
bgvals_1st[*nr1stvars]=norms_opts_1st[n].bg;
if (verbose>0) {
char * fullname = CCTK_FullName(varindices_1st[*nr1stvars]);
CCTK_VInfo(CCTK_THORNSTRING," %s (1st order var) - %f",
fullname,
(double)bgvals_1st[*nr1stvars]);
free (fullname);
}
*nr1stvars=*nr1stvars+1;
}
if (norms_opts_2nd[n].active) {
assert(*nr2ndvars<max_nr_vars);
varindices_2nd[*nr2ndvars]=norms_opts_2nd[n].vi;
bgvals_2nd[*nr2ndvars]=norms_opts_2nd[n].bg;
if (verbose>0) {
char * fullname = CCTK_FullName(varindices_2nd[*nr2ndvars]);
CCTK_VInfo(CCTK_THORNSTRING," %s (2nd order var) - %f",
fullname,
(double)bgvals_2nd[*nr2ndvars]);
free (fullname);
}
*nr2ndvars=*nr2ndvars+1;
}
}
if (verbose>2)
fprintf(stderr," nr1stvars %d nr2ndvars %d\n",
(int)*nr1stvars,
(int)*nr2ndvars);
if (verbose>4) {
fprintf(stderr," The actual variable arrays look like\n");
for (n=0;n<max_nr_vars;n++) {
fprintf(stderr," i:%d (vi:%d vn:%s bg:%f) (vi:%d vn:%s bg:%f)\n",
n,
(int)varindices_1st[n],
CCTK_VarName(varindices_1st[n]),
(double)bgvals_1st[n],
(int)varindices_2nd[n],
CCTK_VarName(varindices_2nd[n]),
(double)bgvals_2nd[n]);
}
}
free (norms_opts_1st);
free (norms_opts_2nd);
}
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