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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"

static const char *rcsid = "$Header$";

CCTK_FILEVERSION(AlphaThorns_MoL_ParamCheck_c);

/********************************************************************
 *********************     Local Data Types   ***********************
 ********************************************************************/

/********************************************************************
 ********************* Local Routine Prototypes *********************
 ********************************************************************/

/********************************************************************
 ***************** Scheduled Routine Prototypes *********************
 ********************************************************************/

int 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 

@@*/

int MoL_ParamCheck(CCTK_ARGUMENTS)
{
  DECLARE_CCTK_ARGUMENTS;
  DECLARE_CCTK_PARAMETERS;

  if (CCTK_Equals(MoL_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(MoL_ODE_Method, "RK2"))&&(!(MoL_Intermediate_Steps == 2)) )
  {
    CCTK_PARAMWARN("When using the efficient RK2 evolver the number of intermediate steps must be 2");
  }
  
  return 0;
  
}

/********************************************************************
 *********************     Local Routines   *************************
 ********************************************************************/