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#include <stdio.h>
#include <stdlib.h>
#include <string.h>

#include "cctk.h"
#include "cctk_Arguments.h"
#include "cctk_Parameters.h"

#include "CactusElliptic/EllBase/src/EllBase.h"
#include "CactusElliptic/EllBase/src/Ell_DBstructure.h"

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

CCTK_FILEVERSION(CactusElliptic_EllSOR_Startup_c)

void EllSOR_Register(CCTK_ARGUMENTS);
void SORConfMetric(cGH *GH, 
	            int *MetricPsiI, 
	            int FieldI, 
	            int MI,
                    int NI, 
	            CCTK_REAL *AbsTol, 
	            CCTK_REAL *RelTol);
void SORFlat(cGH *GH, 
	     int FieldI,
	     int MI, 
	     int NI, 
	     CCTK_REAL *AbsTol, 
	     CCTK_REAL *RelTol);

/* routine registers the SOR solver "SORConfMetric" under the name "sor" 
   with the Elliptic Class "LinConfMetric".
*/

void EllSOR_Register(CCTK_ARGUMENTS) 
{

  DECLARE_CCTK_ARGUMENTS 
  DECLARE_CCTK_PARAMETERS 

  int err;

  /* Register the solver with the elliptic classes */

  err = Ell_RegisterSolver(SORConfMetric,"sor","Ell_LinConfMetric");
  if (!err==ELL_SUCCESS)
  {
    CCTK_WARN(0,"EllSOR_Register: Failed to register sor for Ell_LinConfMetric");
  }

  err = Ell_RegisterSolver(SORFlat,"sor","Ell_LinFlat");
  if (!err==ELL_SUCCESS)
  {
    CCTK_WARN(0,"EllSOR_Register: Failed to register sor for Ell_LinFlat");
  }

  /* These "keys" have to be same in other elliptic solver and in 
     the routines that sets them ! */

  /* Register boundary SOR can handle */
  err = Ell_CreateKey(CCTK_VARIABLE_STRING,"EllLinFlat::Bnd::Robin");
  err = Ell_CreateKey(CCTK_VARIABLE_STRING,"EllLinFlat::Bnd::Const");

  /* Create a key to be associated with the maximum number of iterations
     allowed. */
  err = Ell_CreateKey(CCTK_VARIABLE_INT, "Ell::SORmaxit");
  if (err != ELL_SUCCESS)
  {
    CCTK_WARN(0, "EllSOR_Register: "
	      "Failed to create integer key Ell::SORmaxit");
  } 

  /* Create a key to be associated with the type of acceleration to be
     used. */
  err = Ell_CreateKey(CCTK_VARIABLE_STRING, "Ell::SORaccel");
  if (err != ELL_SUCCESS)
  {
    CCTK_WARN(0, "EllSOR_Register: "
	      "Failed to create integer key Ell::SORaccel");
  } 

}