int main(int argc, char *argv[])
{
char global[]="global";
char local[]="local";
int proc_config[AZ_PROC_SIZE];/* Processor information. */
int options[AZ_OPTIONS_SIZE]; /* Array used to select solver options. */
double params[AZ_PARAMS_SIZE]; /* User selected solver paramters. */
int *data_org;
/* Array to specify data layout */
double status[AZ_STATUS_SIZE]; /* Information returned from AZ_solve(). */
int *update; /* vector elements updated on this node. */
int *external;
/* vector elements needed by this node. */
int *update_index;
/* ordering of update[] and external[] */
int *extern_index;
/* locally on this processor. */
int *indx; /* MSR format of real and imag parts */
int *bindx;
int *bpntr;
int *rpntr;
int *cpntr;
AZ_MATRIX *Amat;
AZ_PRECOND *Prec;
double *val;
double *x, *b, *xexact, *xsolve;
int n_nonzeros, n_blk_nonzeros;
int N_update; /* # of block unknowns updated on this node */
int N_local;
/* Number scalar equations on this node */
int N_global, N_blk_global; /* Total number of equations */
int N_external, N_blk_eqns;
double *val_msr;
int *bindx_msr;
double norm, d ;
int matrix_type;
int has_global_indices, option;
int i, j, m, mp ;
int ione = 1;
#ifdef TEST_SINGULAR
double * xnull; /* will contain difference of given exact solution and computed solution*/
double * Axnull; /* Product of A time xnull */
double norm_Axnull;
#endif
#ifdef AZTEC_MPI
double MPI_Wtime(void) ;
#endif
double time ;
#ifdef AZTEC_MPI
MPI_Init(&argc,&argv);
#endif
/* get number of processors and the name of this processor */
#ifdef AZTEC_MPI
AZ_set_proc_config(proc_config,MPI_COMM_WORLD);
#else
AZ_set_proc_config(proc_config,0);
#endif
printf("proc %d of %d is alive\n",
proc_config[AZ_node],proc_config[AZ_N_procs]) ;
#ifdef AZTEC_MPI
MPI_Barrier(MPI_COMM_WORLD) ;
#endif
#ifdef VBRMATRIX
if(argc != 3)
perror("error: enter name of data and partition file on command line") ;
#else
if(argc != 2) perror("error: enter name of data file on command line") ;
#endif
/* Set exact solution to NULL */
xexact = NULL;
/* Read matrix file and distribute among processors.
Returns with this processor's set of rows */
#ifdef VBRMATRIX
read_hb(argv[1], proc_config, &N_global, &n_nonzeros,
&val_msr, &bindx_msr, &x, &b, &xexact);
create_vbr(argv[2], proc_config, &N_global, &N_blk_global,
&n_nonzeros, &n_blk_nonzeros, &N_update, &update,
bindx_msr, val_msr, &val, &indx,
&rpntr, &cpntr, &bpntr, &bindx);
if(proc_config[AZ_node] == 0)
{
free ((void *) val_msr);
free ((void *) bindx_msr);
free ((void *) cpntr);
}
matrix_type = AZ_VBR_MATRIX;
#ifdef AZTEC_MPI
MPI_Barrier(MPI_COMM_WORLD) ;
#endif
distrib_vbr_matrix( proc_config, N_global, N_blk_global,
&n_nonzeros, &n_blk_nonzeros,
&N_update, &update,
&val, &indx, &rpntr, &cpntr, &bpntr, &bindx,
&x, &b, &xexact);
#else
read_hb(argv[1], proc_config, &N_global, &n_nonzeros,
&val, &bindx, &x, &b, &xexact);
#ifdef AZTEC_MPI
MPI_Barrier(MPI_COMM_WORLD) ;
#endif
distrib_msr_matrix(proc_config, N_global, &n_nonzeros, &N_update,
&update, &val, &bindx, &x, &b, &xexact);
#ifdef DEBUG
for (i = 0; i<N_update; i++)
if (val[i] == 0.0 ) printf("Zero diagonal at row %d\n",i);
#endif
matrix_type = AZ_MSR_MATRIX;
#endif
/* convert matrix to a local distributed matrix */
cpntr = NULL;
AZ_transform(proc_config, &external, bindx, val, update,
&update_index, &extern_index, &data_org,
N_update, indx, bpntr, rpntr, &cpntr,
matrix_type);
printf("Processor %d: Completed AZ_transform\n",proc_config[AZ_node]) ;
has_global_indices = 0;
option = AZ_LOCAL;
#ifdef VBRMATRIX
N_local = rpntr[N_update];
#else
N_local = N_update;
#endif
Amat = AZ_matrix_create(N_local);
#ifdef VBRMATRIX
AZ_set_VBR(Amat, rpntr, cpntr, bpntr, indx, bindx, val, data_org,
N_update, update, option);
#else
AZ_set_MSR(Amat, bindx, val, data_org, N_update, update, option);
#endif
printf("proc %d Completed AZ_create_matrix\n",proc_config[AZ_node]) ;
#ifdef AZTEC_MPI
MPI_Barrier(MPI_COMM_WORLD) ;
#endif
/* initialize AZTEC options */
AZ_defaults(options, params);
options[AZ_solver] = AZ_gmres;
options[AZ_precond] = AZ_sym_GS;
options[AZ_poly_ord] = 1;
options[AZ_graph_fill] = 1;
params[AZ_rthresh] = 0.0E-7;
params[AZ_athresh] = 0.0E-7;
options[AZ_overlap] = 1;
/*
params[AZ_ilut_fill] = 2.0;
params[AZ_drop] = 0.01;
options[AZ_overlap] = 0;
options[AZ_reorder] = 0;
params[AZ_rthresh] = 1.0E-1;
params[AZ_athresh] = 1.0E-1;
options[AZ_precond] = AZ_dom_decomp ;
options[AZ_subdomain_solve] = AZ_bilu_ifp;
options[AZ_reorder] = 0;
options[AZ_graph_fill] = 0;
params[AZ_rthresh] = 1.0E-7;
params[AZ_athresh] = 1.0E-7;
options[AZ_poly_ord] = 1;
options[AZ_precond] = AZ_Jacobi;
params[AZ_omega] = 1.0;
options[AZ_precond] = AZ_none ;
options[AZ_poly_ord] = 1;
options[AZ_precond] = AZ_Jacobi ;
options[AZ_scaling] = AZ_sym_row_sum ;
options[AZ_scaling] = AZ_sym_diag;
options[AZ_conv] = AZ_noscaled;
options[AZ_scaling] = AZ_Jacobi ;
options[AZ_precond] = AZ_dom_decomp ;
options[AZ_subdomain_solve] = AZ_icc ;
options[AZ_subdomain_solve] = AZ_ilut ;
params[AZ_omega] = 1.2;
params[AZ_ilut_fill] = 2.0;
params[AZ_drop] = 0.01;
options[AZ_reorder] = 0;
options[AZ_overlap] = 0;
options[AZ_type_overlap] = AZ_symmetric;
options[AZ_precond] = AZ_dom_decomp ;
options[AZ_subdomain_solve] = AZ_bilu ;
options[AZ_graph_fill] = 0;
options[AZ_overlap] = 0;
options[AZ_precond] = AZ_dom_decomp ;
options[AZ_subdomain_solve] = AZ_bilu_ifp ;
options[AZ_graph_fill] = 0;
options[AZ_overlap] = 0;
params[AZ_rthresh] = 1.0E-3;
params[AZ_athresh] = 1.0E-3;
options[AZ_poly_ord] = 1;
options[AZ_precond] = AZ_Jacobi ; */
options[AZ_kspace] = 600 ;
options[AZ_max_iter] = 600 ;
params[AZ_tol] = 1.0e-14;
#ifdef BGMRES
options[AZ_gmres_blocksize] = 3;
options[AZ_gmres_num_rhs] = 1;
#endif
#ifdef DEBUG
if (proc_config[AZ_N_procs]==1)
write_vec("rhs.dat", N_local, b);
#endif
/* xsolve is a little longer vector needed to account for external
entries. Make it and copy x (initial guess) into it.
*/
if (has_global_indices)
{
N_external = 0;
}
else
{
N_external = data_org[AZ_N_external];
}
xsolve = (double *) calloc(N_local + N_external,
sizeof(double)) ;
for (i=0; i<N_local; i++) xsolve[i] = x[i];
/* Reorder rhs and xsolve to match matrix ordering from AZ_transform */
if (!has_global_indices)
{
AZ_reorder_vec(b, data_org, update_index, rpntr) ;
AZ_reorder_vec(xsolve, data_org, update_index, rpntr) ;
}
#ifdef VBRMATRIX
AZ_check_vbr(N_update, data_org[AZ_N_ext_blk], AZ_LOCAL,
bindx, bpntr, cpntr, rpntr, proc_config);
#else
AZ_check_msr(bindx, N_update, N_external, AZ_LOCAL, proc_config);
#endif
printf("Processor %d of %d N_local = %d N_external = %d NNZ = %d\n",
proc_config[AZ_node],proc_config[AZ_N_procs],N_local,N_external,
n_nonzeros);
/* solve the system of equations using b as the right hand side */
Prec = AZ_precond_create(Amat,AZ_precondition, NULL);
AZ_iterate(xsolve, b, options, params, status, proc_config,
Amat, Prec, NULL);
/*AZ_ifpack_iterate(xsolve, b, options, params, status, proc_config,
Amat);*/
if (proc_config[AZ_node]==0)
{
printf("True residual norm = %22.16g\n",status[AZ_r]);
printf("True scaled res = %22.16g\n",status[AZ_scaled_r]);
printf("Computed res norm = %22.16g\n",status[AZ_rec_r]);
}
#ifdef TEST_SINGULAR
xnull = (double *) calloc(N_local + N_external, sizeof(double)) ;
Axnull = (double *) calloc(N_local + N_external, sizeof(double)) ;
for (i=0; i<N_local; i++) xnull[i] = xexact[i];
if (!has_global_indices) AZ_reorder_vec(xnull, data_org, update_index, rpntr);
for (i=0; i<N_local; i++) xnull[i] -= xsolve[i]; /* fill with nullerence */
Amat->matvec(xnull, Axnull, Amat, proc_config);
norm_Axnull = AZ_gvector_norm(N_local, 2, Axnull, proc_config);
if (proc_config[AZ_node]==0) printf("Norm of A(xexact-xsolve) = %12.4g\n",norm_Axnull);
free((void *) xnull);
free((void *) Axnull);
#endif
/* Get solution back into original ordering */
if (!has_global_indices) {
AZ_invorder_vec(xsolve, data_org, update_index, rpntr, x);
free((void *) xsolve);
}
else {
free((void *) x);
x = xsolve;
}
#ifdef DEBUG
if (proc_config[AZ_N_procs]==1)
write_vec("solution.dat", N_local, x);
#endif
if (xexact != NULL)
{
double sum = 0.0;
double largest = 0.0;
for (i=0; i<N_local; i++) sum += fabs(x[i]-xexact[i]);
printf("Processor %d: Difference between exact and computed solution = %12.4g\n",
proc_config[AZ_node],sum);
for (i=0; i<N_local; i++) largest = AZ_MAX(largest,fabs(xexact[i]));
printf("Processor %d: Difference divided by max abs value of exact = %12.4g\n",
proc_config[AZ_node],sum/largest);
}
free((void *) val);
free((void *) bindx);
#ifdef VBRMATRIX
free((void *) rpntr);
free((void *) bpntr);
free((void *) indx);
#endif
free((void *) b);
free((void *) x);
if (xexact!=NULL) free((void *) xexact);
AZ_free((void *) update);
AZ_free((void *) update_index);
AZ_free((void *) external);
AZ_free((void *) extern_index);
AZ_free((void *) data_org);
if (cpntr!=NULL) AZ_free((void *) cpntr);
AZ_precond_destroy(&Prec);
AZ_matrix_destroy(&Amat);
#ifdef AZTEC_MPI
MPI_Finalize() ;
#endif
/* end main
*/
return 0 ;
}
int main(int argc, char *argv[])
{
/* See Aztec User's Guide for the variables that follow: */
int proc_config[AZ_PROC_SIZE];/* Processor information. */
int N_update; /* # of unknowns updated on this node */
int *update; /* vector elements updated on this node */
int *data_orgA; /* Array to specify data layout */
int *externalA; /* vector elements needed by this node. */
int *update_indexA; /* ordering of update[] and external[] */
int *extern_indexA; /* locally on this processor. */
int *bindxA; /* Sparse matrix to be solved is stored */
double *valA; /* in these MSR arrays. */
AZ_MATRIX *mat_curl_edge; /* curl operator matrix */
int *data_orgB; /* Array to specify data layout */
int *externalB; /* vector elements needed by this node. */
int *update_indexB; /* ordering of update[] and external[] */
int *extern_indexB; /* locally on this processor. */
int *bindxB; /* Sparse matrix to be solved is stored */
double *valB; /* in these MSR arrays. */
AZ_MATRIX *mat_curl_face; /* curl operator matrix */
int *bc_indx;
int n_bc;
double *efield;
double *bfield;
double *epsilon;
double *tmp_vec;
double *tmp_vec2;
int i, nrow, x, y, z;
int k, t;
long startTime, endTime;
int myrank;
int vec_len;
/* get number of processors and the name of this processor */
#ifdef AZ_MPI
MPI_Init(&argc,&argv);
AZ_set_proc_config(proc_config, MPI_COMM_WORLD);
MPI_Comm_rank(MPI_COMM_WORLD, &myrank);
#else
myrank = 0;
AZ_set_proc_config(proc_config, AZ_NOT_MPI);
#endif
nrow = ncomp * nx * ny * nz; /* overll number of matrix rows */
// Define partitioning: matrix rows (ascending order) owned by this node
// Here it is done automatically, but it can also be specified by hand
AZ_read_update(&N_update, &update, proc_config, nrow, 1, AZ_linear);
// In the following we set up the matrix for the edge centered curl operator
// All the steps are described in detail in the AZTEC manual.
// first: allocate space for the first matrix.
bindxA = (int *) malloc((N_update*MAX_NZ_ROW+1)*sizeof(int));
valA = (double *) malloc((N_update*MAX_NZ_ROW+1)*sizeof(double));
if (valA == NULL) perror("Error: Not enough space to create matrix");
// Initialize the index for the first off diagonal element
bindxA[0] = N_update+1;
// Create the matrix row by row. Each processor creates only rows appearing
// in update[] (using global col. numbers).
for (i = 0; i < N_update; i++)
create_curl_matrix_row_edge(update[i], i, valA, bindxA);
// convert matrix to a local distributed matrix
AZ_transform(proc_config, &externalA, bindxA, valA, update, &update_indexA,
&extern_indexA, &data_orgA, N_update, NULL, NULL, NULL, NULL,
AZ_MSR_MATRIX);
// convert the matrix arrays into a matrix structure, used in the
// matrix vector multiplication
mat_curl_edge = AZ_matrix_create(data_orgA[AZ_N_internal] + data_orgA[AZ_N_border]);
AZ_set_MSR(mat_curl_edge, bindxA, valA, data_orgA, 0, NULL, AZ_LOCAL);
// at this point the edge centered curl matrix is completed.
// In the following we set up the matrix for the face centered curl operator
// All the steps are described in detail in the AZTEC manual.
// first: allocate space for the first matrix.
bindxB = (int *) malloc((N_update*MAX_NZ_ROW+1)*sizeof(int));
valB = (double *) malloc((N_update*MAX_NZ_ROW+1)*sizeof(double));
if (valB == NULL) perror("Error: Not enough space to create matrix");
// Initialize the index for the first off diagonal element
bindxB[0] = N_update+1;
// Create the matrix row by row. Each processor creates only rows appearing
// in update[] (using global col. numbers).
for (i = 0; i < N_update; i++)
create_curl_matrix_row_face(update[i], i, valB, bindxB);
// convert matrix to a local distributed matrix
AZ_transform(proc_config, &externalB, bindxB, valB, update, &update_indexB,
&extern_indexB, &data_orgB,
N_update, NULL, NULL, NULL, NULL,
AZ_MSR_MATRIX);
// convert the matrix arrays into a matrix structure, used in the
// matrix vector multiplication
mat_curl_face = AZ_matrix_create(data_orgB[AZ_N_internal] + data_orgB[AZ_N_border]);
AZ_set_MSR(mat_curl_face, bindxB, valB, data_orgB, 0, NULL, AZ_LOCAL);
// at this point the face centered curl matrix is completed.
// allocate memory for the fields and a temporary vector
vec_len = N_update + data_orgA[AZ_N_external];
efield = (double *) malloc(vec_len*sizeof(double));
bfield = (double *) malloc(vec_len*sizeof(double));
epsilon = (double *) malloc(vec_len*sizeof(double));
tmp_vec = (double *) malloc(vec_len*sizeof(double));
tmp_vec2 = (double *) malloc(vec_len*sizeof(double));
// setup the boundary condition. We will get an arry that tells us
// which positions need to be updated and where the results needs
// to be stored in the E field.
setup_bc(update, update_indexB, N_update, &bc_indx, &n_bc);
// initialize the field vectors
for(k = 0; k < vec_len; k++){
efield[k] = 0.;
bfield[k] = 0.;
epsilon[k] = 1.;
tmp_vec[k] = 0.;
}
// initialize the dielectric structure. Ugly hard-coded stuff,
// needs to be cleaned out...
for(y=45; y<55; y++){
for(x = y; x<100; x++)
epsilon[compZ + pos_to_row(x, y, 0)] = 0.95;
}
// reorder the dielectric vector in order to align with the B field
AZ_reorder_vec(epsilon, data_orgA, update_indexA, NULL);
printf("Begin iteration \n");
// just some timing ...
startTime = currentTimeMillis();
// *******************
// begin of the time stepping loop
// *******************
for( t = 0; t < nsteps; t++){
// first we do the e field update
// convert the B field to the H field
for(k = 0 ; k < vec_len; k++)
bfield[k] *= epsilon[k];
// setup the initial condition
for( k = 0; k < n_bc; k++){
x = bc_indx[4*k];
y = bc_indx[4*k+1];
z = bc_indx[4*k+2];
efield[bc_indx[4*k+3]] =
sin((double) y * 5. * 3.14159 / (double) ny) *
sin(omega * dt * (double) (t + 1));
}
// E field update:
// tmp_vec = Curl_Op * bfield
// efield = efield + c^2 * dt * tmp_vec
AZ_MSR_matvec_mult( bfield, tmp_vec, mat_curl_edge, proc_config);
// reorder the result in tmp_vec so that it aligns with the
// decomposition of the E field
AZ_invorder_vec(tmp_vec, data_orgA, update_indexA, NULL, tmp_vec2);
AZ_reorder_vec(tmp_vec2, data_orgB, update_indexB, NULL);
// update the efield
for(k = 0 ; k < N_update; k++)
efield[k] = efield[k] + c2 * tmp_vec2[k] * dt;
// bfield update :
// tmp_vec = DualCurl_Op * efield
// bfield = bfield - tmp_vec * dt
AZ_MSR_matvec_mult( efield, tmp_vec, mat_curl_face, proc_config);
// reorder the result so that it fits the decomposition of the bfield
AZ_invorder_vec(tmp_vec, data_orgB, update_indexB, NULL, tmp_vec2);
AZ_reorder_vec(tmp_vec2, data_orgA, update_indexA, NULL);
// update the b field
for(k = 0; k < N_update; k++)
bfield[k] = bfield[k] - tmp_vec2[k] * dt;
if(myrank == 0)
printf("Taking step %d at time %g\n", t,
(double) (currentTimeMillis() - startTime) / 1000.);
}
// ******************
// end of timestepping loop
// *****************
endTime = currentTimeMillis();
printf("After iteration: %g\n", (double)(endTime - startTime) / 1000. );
#if 1
system("rm efield.txt bfield.txt");
// dump filed data: efield
AZ_invorder_vec(efield, data_orgB, update_indexB, NULL, tmp_vec);
write_file("efield.txt", tmp_vec, N_update);
// dump filed data: bfield
AZ_invorder_vec(bfield, data_orgA, update_indexA, NULL, tmp_vec);
write_file("bfield.txt", tmp_vec, N_update);
#endif
/* Free allocated memory */
AZ_matrix_destroy( &mat_curl_edge);
free((void *) update); free((void *) update_indexA);
free((void *) externalA); free((void *) extern_indexA);
free((void *) bindxA); free((void *) valA); free((void *) data_orgA);
AZ_matrix_destroy( &mat_curl_face);
free((void *) externalB); free((void *) extern_indexB);
free((void *) bindxB); free((void *) valB); free((void *) data_orgB);
free((void *) efield); free((void *) bfield);
free((void *) tmp_vec); free((void *) tmp_vec2);
#ifdef AZ_MPI
MPI_Finalize();
#endif
return(1);
}
int test_azoo_conv_with_scaling(int conv_option, int scaling_option,
const Epetra_Comm& comm, bool verbose)
{
int localN = 20;
int numprocs = comm.NumProc();
int globalN = numprocs*localN;
Epetra_Map emap(globalN, 0, comm);
Epetra_CrsMatrix* Acrs = create_and_fill_crs_matrix(emap);
Epetra_Vector x_crs(emap), b_crs(emap);
x_crs.PutScalar(1.0);
Acrs->Multiply(false, x_crs, b_crs);
x_crs.PutScalar(0.0);
AztecOO azoo(Acrs, &x_crs, &b_crs);
azoo.SetAztecOption(AZ_conv, conv_option);
azoo.SetAztecOption(AZ_solver, AZ_cg);
azoo.SetAztecOption(AZ_scaling, scaling_option);
azoo.Iterate(100, 1.e-9);
//now, do the same thing with 'old-fashioned Aztec', and compare
//the solutions.
int* proc_config = new int[AZ_PROC_SIZE];
#ifdef EPETRA_MPI
AZ_set_proc_config(proc_config, MPI_COMM_WORLD);
AZ_set_comm(proc_config, MPI_COMM_WORLD);
#else
AZ_set_proc_config(proc_config, 0);
#endif
int *external, *update_index, *external_index;
int *external2, *update_index2, *external_index2;
AZ_MATRIX* Amsr = NULL;
AZ_MATRIX* Avbr = NULL;
int err = create_and_transform_simple_matrix(AZ_MSR_MATRIX, localN, 4.0,
proc_config, Amsr,
external, update_index,
external_index);
int N_update = localN+Amsr->data_org[AZ_N_border];
double* x_msr = new double[N_update];
double* b_msr = new double[N_update*2];
double* b_msr_u = b_msr+N_update;
double* x_vbr = new double[N_update];
double* b_vbr = new double[N_update*2];
double* b_vbr_u = b_vbr+N_update;
err = create_and_transform_simple_matrix(AZ_VBR_MATRIX, localN, 4.0,
proc_config, Avbr,
external2, update_index2,
external_index2);
for(int i=0; i<N_update; ++i) {
x_msr[i] = 1.0;
b_msr[i] = 0.0;
b_msr_u[i] = 0.0;
x_vbr[i] = 1.0;
b_vbr[i] = 0.0;
b_vbr_u[i] = 0.0;
}
Amsr->matvec(x_msr, b_msr, Amsr, proc_config);
Avbr->matvec(x_vbr, b_vbr, Avbr, proc_config);
for(int i=0; i<N_update; ++i) {
x_msr[i] = 0.0;
x_vbr[i] = 0.0;
}
//check that the rhs's are the same.
double max_rhs_diff1 = 0.0;
double max_rhs_diff2 = 0.0;
double* bptr_crs = b_crs.Values();
AZ_invorder_vec(b_msr, Amsr->data_org, update_index, NULL, b_msr_u);
AZ_invorder_vec(b_vbr, Avbr->data_org, update_index2, Avbr->rpntr, b_vbr_u);
for(int i=0; i<localN; ++i) {
if (std::abs(bptr_crs[i] - b_msr_u[i]) > max_rhs_diff1) {
max_rhs_diff1 = std::abs(bptr_crs[i] - b_msr_u[i]);
}
if (std::abs(bptr_crs[i] - b_vbr_u[i]) > max_rhs_diff2) {
max_rhs_diff2 = std::abs(bptr_crs[i] - b_vbr_u[i]);
}
}
if (max_rhs_diff1> 1.e-12) {
cout << "AztecOO rhs not equal to Aztec msr rhs "<<max_rhs_diff1<<endl;
return(-1);
}
if (max_rhs_diff2> 1.e-12) {
cout << "AztecOO rhs not equal to Aztec vbr rhs "<<max_rhs_diff2<<endl;
return(-1);
}
int* az_options = new int[AZ_OPTIONS_SIZE];
double* params = new double[AZ_PARAMS_SIZE];
double* status = new double[AZ_STATUS_SIZE];
AZ_defaults(az_options, params);
az_options[AZ_solver] = AZ_cg;
az_options[AZ_conv] = conv_option;
az_options[AZ_scaling] = scaling_option;
az_options[AZ_max_iter] = 100;
params[AZ_tol] = 1.e-9;
AZ_iterate(x_msr, b_msr, az_options, params, status, proc_config,
Amsr, NULL, NULL);
AZ_iterate(x_vbr, b_vbr, az_options, params, status, proc_config,
Avbr, NULL, NULL);
AZ_invorder_vec(x_msr, Amsr->data_org, update_index, NULL, b_msr_u);
AZ_invorder_vec(x_vbr, Avbr->data_org, update_index2, Avbr->rpntr, b_vbr_u);
double max_diff1 = 0.0;
double max_diff2 = 0.0;
double* xptr_crs = x_crs.Values();
for(int i=0; i<localN; ++i) {
if (std::abs(xptr_crs[i] - b_msr_u[i]) > max_diff1) {
max_diff1 = std::abs(xptr_crs[i] - b_msr_u[i]);
}
if (std::abs(xptr_crs[i] - b_vbr_u[i]) > max_diff2) {
max_diff2 = std::abs(xptr_crs[i] - b_vbr_u[i]);
}
}
if (max_diff1 > 1.e-7) {
cout << "AztecOO failed to match Aztec msr with scaling and Anorm conv."
<< endl;
return(-1);
}
if (max_diff2 > 1.e-7) {
cout << "AztecOO failed to match Aztec vbr with scaling and Anorm conv."
<< endl;
return(-1);
}
delete Acrs;
delete [] x_msr;
delete [] b_msr;
delete [] x_vbr;
delete [] b_vbr;
destroy_matrix(Amsr);
destroy_matrix(Avbr);
delete [] proc_config;
free(update_index);
free(external);
free(external_index);
free(update_index2);
free(external2);
free(external_index2);
delete [] az_options;
delete [] params;
delete [] status;
return(0);
}
