az_ifpack_prec_destroy.c

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//       Ifpack: Object-Oriented Algebraic Preconditioner Package
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/*******************************************************************************
 * MATRIX FREE  matrix vector multiplication
 ******************************************************************************/

#include <stdio.h>
#include <stdlib.h>
#include <math.h>
#include "az_aztec.h"
#include "az_ifpack.h"

void AZ_ifpack_prec_destroy(int *options, double *params, int *proc_config,
               AZ_MATRIX *Amat, AZ_PRECOND *Prec)
{
  AZ_IFPACK *Prec_pass_data;
  void *precon, *bmat;
  
  Prec_pass_data = (AZ_IFPACK *) Prec->Pmat->aux_ptr;

  precon = Prec_pass_data->precon;
  bmat = Prec_pass_data->bmat;
  options[AZ_precond] = Prec_pass_data->user_precon; /* Restore user prec*/



   /* Free allocated memory */


  ifp_freepreconditioner(precon);
  /*ifp_freeblockmatrix(bmat); Need to fix the destructor for BlockMat*/

  /* Must make sure to clean up everything!!!!*/

  AZ_free((void *) Prec_pass_data);

  }