az_ifpack_solve.c

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//
//       Ifpack: Object-Oriented Algebraic Preconditioner Package
//                 Copyright (2002) Sandia Corporation
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#include <stdio.h>
#include <stdlib.h>
#include <math.h>
#include <std::string.h>
#include "az_aztec.h"
#include "az_ifpack.h"
 
void AZ_ifpack_solve(double x[], double b[], int options[], double params[],
              int indx[], int bindx[], int rpntr[], int cpntr[], int bpntr[],
              double val[], int data_org[], double status[], int proc_config[])
{
  AZ_MATRIX *Amat;
 
   Amat    = AZ_matrix_create(data_org[AZ_N_internal]+data_org[AZ_N_border]);
 
   options[AZ_output] = 1;
   if (data_org[AZ_matrix_type] == AZ_MSR_MATRIX) 
      AZ_set_MSR(Amat, bindx, val, data_org, 0, NULL, AZ_LOCAL);
   else if (data_org[AZ_matrix_type] == AZ_VBR_MATRIX)
      AZ_set_VBR(Amat, rpntr, cpntr, bpntr, indx, bindx, val,
                 data_org, 0, NULL, AZ_LOCAL);
   else {
      fprintf(stderr,"Unknown matrix type (%d)\n",data_org[AZ_matrix_type]);
      fprintf(stderr,"Matrix-free is now available via AZ_iterate()\n");
      exit(1);
   }
 
  AZ_ifpack_iterate(x, b, options, params, status, proc_config, Amat);
 
  AZ_matrix_destroy(&Amat);
 
}
/* AZ_ifpack_solve*/