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/*@@
@file ParamCheck.c
@date Mon May 20 09:50:55 2002
@author Ian Hawke
@desc
Basic parameter checking for thorn MoL.
@enddesc
@version $Header$
@@*/
#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(CactusBase_MoL_ParamCheck_c);
/********************************************************************
********************* Local Data Types ***********************
********************************************************************/
/********************************************************************
********************* Local Routine Prototypes *********************
********************************************************************/
/********************************************************************
***************** Scheduled Routine Prototypes *********************
********************************************************************/
void MoL_ParamCheck(CCTK_ARGUMENTS);
/********************************************************************
********************* Other Routine Prototypes *********************
********************************************************************/
/********************************************************************
********************* Local Data *****************************
********************************************************************/
/********************************************************************
********************* External Routines **********************
********************************************************************/
/*@@
@routine MoL_ParamCheck
@date Mon May 20 09:56:05 2002
@author Ian Hawke
@desc
Basic parameter checking.
@enddesc
@calls
@calledby
@history
@endhistory
@@*/
void MoL_ParamCheck(CCTK_ARGUMENTS)
{
DECLARE_CCTK_ARGUMENTS;
DECLARE_CCTK_PARAMETERS;
CCTK_INT options_table, ierr, GenericIntermediateSteps;
if (CCTK_Equals(ODE_Method, "Generic"))
{
if (MoL_Num_Scratch_Levels < MoL_Intermediate_Steps - 1)
{
CCTK_PARAMWARN("When using a generic solver the number "
"of scratch levels must be at least the "
"number of intermediate steps - 1");
}
if ( (CCTK_Equals(Generic_Type, "Classic RK3"))&&
((!(MoL_Intermediate_Steps == 3))||(!(MoL_Num_Scratch_Levels > 1))) )
{
CCTK_PARAMWARN("When using the classic RK3 evolver the "
"number of intermediate steps must be 3 "
"and the number of scratch levels at least 2");
}
if (CCTK_Equals(Generic_Type, "Table"))
{
options_table =
Util_TableCreateFromString(Generic_Method_Descriptor);
if (options_table < 0)
{
CCTK_WARN(0, "Failed to create table from "
"Generic_Method_Descriptor!");
}
ierr = Util_TableGetInt(options_table,
&GenericIntermediateSteps,
"GenericIntermediateSteps");
if (ierr < 1)
{
if (ierr == UTIL_ERROR_TABLE_NO_SUCH_KEY)
{
CCTK_WARN(0, "When using the generic table options "
"you must set \"GenericIntermediateSteps\" in "
"the options table");
}
else
{
CCTK_WARN(0, "Table error - check with Ian.");
}
}
if (MoL_Intermediate_Steps != GenericIntermediateSteps)
{
CCTK_PARAMWARN("The number of intermediate steps must "
"equal the number specified in the table options!");
}
ierr = Util_TableDestroy(options_table);
}
}
if ( (CCTK_Equals(ODE_Method, "Euler"))&&(!(MoL_Intermediate_Steps == 1)) )
{
CCTK_PARAMWARN("When using the Euler evolver the "
"number of intermediate steps must be 1");
}
if ( (CCTK_Equals(ODE_Method, "RK2"))&&(!(MoL_Intermediate_Steps == 2)) )
{
CCTK_PARAMWARN("When using the efficient RK2 evolver the "
"number of intermediate steps must be 2");
}
if ( (CCTK_Equals(ODE_Method, "RK3"))&&(!(MoL_Intermediate_Steps == 3)) )
{
CCTK_PARAMWARN("When using the efficient RK3 evolver the "
"number of intermediate steps must be 3");
}
if ( (CCTK_Equals(ODE_Method, "RK4")) && ( (!(MoL_Intermediate_Steps == 4))
|| (!(MoL_Num_Scratch_Levels > 0)) ) )
{
CCTK_PARAMWARN("When using the efficient RK4 evolver the "
"number of intermediate steps must be 4, and"
" the number of scratch levels at least 1");
}
if ( (CCTK_Equals(ODE_Method, "RK45") || CCTK_Equals(ODE_Method, "RK45CK")) &&
( !((MoL_Intermediate_Steps == 6)&&(MoL_Num_Scratch_Levels > 5)) ) )
{
CCTK_PARAMWARN("When using the RK45 or RK45CK evolver, the "
"number of intermediate steps must be 6 "
"and the number of scratch levels at least 6.");
}
if ( (CCTK_Equals(ODE_Method, "RK65")) &&
( !((MoL_Intermediate_Steps == 8)&&(MoL_Num_Scratch_Levels > 7)) ) )
{
CCTK_PARAMWARN("When using the RK65 evolver the "
"number of intermediate steps must be 8 "
"and the number of scratch levels at least 8.");
}
if ( (CCTK_Equals(ODE_Method, "RK87")) &&
( !((MoL_Intermediate_Steps == 13)&&(MoL_Num_Scratch_Levels > 12)) ) )
{
CCTK_PARAMWARN("When using the RK87 evolver the "
"number of intermediate steps must be 13 "
"and the number of scratch levels at least 13.");
}
if ( (CCTK_Equals(ODE_Method, "AB"))&&(!(MoL_Intermediate_Steps == 1)) )
{
CCTK_PARAMWARN("When using the Adams-Bashforth evolver the "
"number of intermediate steps must be 1");
}
if ( (CCTK_Equals(ODE_Method, "RK2-MR-2:1"))&&
( !((MoL_Intermediate_Steps == 5) && (MoL_Num_Scratch_Levels > 4))) )
{
CCTK_PARAMWARN("When using the multirate 2-1 RK2 evolver the "
"number of intermediate steps must be 5 and the number of scratch levels at least 5");
}
if ( (CCTK_Equals(ODE_Method, "RK4-MR-2:1"))&&
( !((MoL_Intermediate_Steps == 10) && (MoL_Num_Scratch_Levels > 9))) )
{
CCTK_PARAMWARN("When using the multirate 2-1 RK4 evolver the "
"number of intermediate steps must be 10 and the number of scratch levels at least 10");
}
if ( (CCTK_Equals(ODE_Method, "RK4-RK2"))&&
( !((MoL_Intermediate_Steps == 4) && (MoL_Num_Scratch_Levels > 0))) )
{
CCTK_PARAMWARN("When using the multirate RK4-RK2 evolver the "
"number of intermediate steps must be 4 and the number of scratch levels at least 1");
}
if (adaptive_stepsize)
{
if (CCTK_Equals(ODE_Method, "RK45")||CCTK_Equals(ODE_Method, "RK45CK")||CCTK_Equals(ODE_Method, "RK65")||CCTK_Equals(ODE_Method, "RK87"))
{
/* everything is fine, do nothing */
}
else
{
CCTK_PARAMWARN("Adaptive time step sizes are only possible with the RK45, RK45CK, RK65, and RK87 solvers");
}
}
}
/********************************************************************
********************* Local Routines *************************
********************************************************************/
|
