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#include <assert.h>
#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <mpi.h>
#include "cctk.h"
#include "cctk_FortranString.h"
#include "cctk_Parameters.h"
#include "defs.hh"
#include "dist.hh"
#include "ggf.hh"
#include "carpet.hh"
extern "C" {
static const char* rcsid = "$Header: /home/eschnett/C/carpet/Carpet/Carpet/Carpet/src/helpers.cc,v 1.45 2004/01/25 14:57:28 schnetter Exp $";
CCTK_FILEVERSION(Carpet_Carpet_helpers_cc);
}
namespace Carpet {
using namespace std;
// Enable or disable prolongating
int CarpetEnableProlongating (const int flag)
{
assert (flag==0 || flag==1);
do_prolongate = flag;
if (do_prolongate) {
Checkpoint ("Prolongating enabled");
} else {
Checkpoint ("Prolongating disabled");
}
return 0;
}
// Communication
int Barrier (const cGH* cgh)
{
MPI_Barrier (dist::comm);
return 0;
}
int Exit (cGH* cgh, int retval)
{
CCTK_Barrier (cgh);
dist::finalize();
exit (retval);
return -999;
}
int Abort (cGH* cgh, int retval)
{
MPI_Abort (dist::comm, retval);
abort ();
return -999;
}
int MyProc (const cGH* cgh)
{
// if there is no cgh yet, assume nothing has been initialised
// yet, and don't use dist::comm
int rank;
MPI_Comm_rank (cgh ? dist::comm : MPI_COMM_WORLD, &rank);
return rank;
}
int nProcs (const cGH* cgh)
{
// if there is no cgh yet, assume nothing has been initialised
// yet, and don't use dist::comm
int size;
MPI_Comm_size (cgh ? dist::comm : MPI_COMM_WORLD, &size);
return size;
}
MPI_Comm CarpetMPIComm ()
{
return dist::comm;
}
// Datatypes
MPI_Datatype CarpetMPIDatatype (const int vartype)
{
switch (vartype) {
#define TYPECASE(N,T) \
case N: { \
T dummy; \
return dist::datatype(dummy); \
}
#include "typecase"
#undef TYPECASE
default:
CCTK_VWarn (0, __LINE__, __FILE__, CCTK_THORNSTRING,
"Carpet does not support the variable type %d.", vartype);
}
// notreached
return MPI_CHAR;
}
// Timelevels
int mintl (const checktimes where, const int num_tl)
{
assert (num_tl>0);
switch (where) {
case currenttime:
return 0;
case currenttimebutnotifonly:
// don't include current time if there is only one time level
return num_tl>1 ? 0 : 1;
case previoustime:
return 1;
case allbutlasttime:
// do include current time if there is only one time level
return 0;
case allbutcurrenttime:
return 1;
case alltimes:
return 0;
default:
assert (0);
}
return -999;
}
int maxtl (const checktimes where, const int num_tl)
{
assert (num_tl>0);
switch (where) {
case currenttime:
return 0;
case currenttimebutnotifonly:
return 0;
case previoustime:
return num_tl>1 ? 1 : 0;
case allbutlasttime:
return num_tl-2;
case allbutcurrenttime:
return num_tl-1;
case alltimes:
return num_tl-1;
default:
assert (0);
}
return -999;
}
// Diagnostic output
static void prepend_id (char* const msg, size_t const msglen)
{
if (mglevel!=-1) {
snprintf (msg+strlen(msg), msglen-strlen(msg), "[%d]", mglevel);
if (reflevel!=-1) {
snprintf (msg+strlen(msg), msglen-strlen(msg), "[%d]", reflevel);
if (map!=-1) {
snprintf (msg+strlen(msg), msglen-strlen(msg), "[%d]", map);
if (component!=-1) {
snprintf (msg+strlen(msg), msglen-strlen(msg), "[%d]", component);
}
}
}
snprintf (msg+strlen(msg), msglen-strlen(msg), " ");
}
}
void Output (const char* fmt, ...)
{
DECLARE_CCTK_PARAMETERS;
va_list args;
char msg[1000];
snprintf (msg, sizeof msg, "");
prepend_id (msg + strlen(msg), sizeof msg - strlen(msg));
va_start (args, fmt);
vsnprintf (msg + strlen(msg), sizeof msg - strlen(msg), fmt, args);
va_end (args);
CCTK_INFO (msg);
if (barriers) {
MPI_Barrier (dist::comm);
}
}
void Waypoint (const char* fmt, ...)
{
DECLARE_CCTK_PARAMETERS;
if (verbose || veryverbose) {
va_list args;
char msg[1000];
snprintf (msg, sizeof msg, "");
prepend_id (msg + strlen(msg), sizeof msg - strlen(msg));
va_start (args, fmt);
vsnprintf (msg + strlen(msg), sizeof msg - strlen(msg), fmt, args);
va_end (args);
CCTK_INFO (msg);
}
if (barriers) {
MPI_Barrier (dist::comm);
}
}
void Checkpoint (const char* fmt, ...)
{
DECLARE_CCTK_PARAMETERS;
if (veryverbose) {
va_list args;
char msg[1000];
snprintf (msg, sizeof msg, "");
prepend_id (msg + strlen(msg), sizeof msg - strlen(msg));
va_start (args, fmt);
vsnprintf (msg + strlen(msg), sizeof msg - strlen(msg), fmt, args);
va_end (args);
CCTK_INFO (msg);
}
if (barriers) {
MPI_Barrier (dist::comm);
}
}
void UnsupportedVarType (const int vindex)
{
assert (vindex>=0 && vindex<CCTK_NumVars());
CCTK_VWarn
(0, __LINE__, __FILE__, CCTK_THORNSTRING,
"Carpet does not support the type of the variable \"%s\".\n"
"Either enable support for this type, "
"or change the type of this variable.", CCTK_FullName(vindex));
}
} // namespace Carpet
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