HYPRE_Int
hypre_SchwarzSolve(void *schwarz_vdata,
hypre_ParCSRMatrix *A,
hypre_ParVector *f,
hypre_ParVector *u )
{
hypre_SchwarzData *schwarz_data = schwarz_vdata;
hypre_CSRMatrix *domain_structure =
hypre_SchwarzDataDomainStructure(schwarz_data);
hypre_CSRMatrix *A_boundary = hypre_SchwarzDataABoundary(schwarz_data);
double *scale = hypre_SchwarzDataScale(schwarz_data);
hypre_ParVector *Vtemp = hypre_SchwarzDataVtemp(schwarz_data);
HYPRE_Int variant = hypre_SchwarzDataVariant(schwarz_data);
double relax_wt = hypre_SchwarzDataRelaxWeight(schwarz_data);
HYPRE_Int use_nonsymm = hypre_SchwarzDataUseNonSymm(schwarz_data);
HYPRE_Int *pivots = hypre_SchwarzDataPivots(schwarz_data);
if (variant == 2)
{
hypre_ParAdSchwarzSolve(A, f, domain_structure, scale, u, Vtemp, pivots, use_nonsymm);
}
else if (variant == 3)
{
hypre_ParMPSchwarzSolve(A, A_boundary, f, domain_structure, u,
relax_wt, scale, Vtemp, pivots, use_nonsymm);
}
else if (variant == 1)
{
hypre_AdSchwarzSolve(A, f, domain_structure, scale, u, Vtemp, pivots, use_nonsymm);
}
else if (variant == 4)
{
hypre_MPSchwarzFWSolve(A, hypre_ParVectorLocalVector(f),
domain_structure, u, relax_wt,
hypre_ParVectorLocalVector(Vtemp), pivots, use_nonsymm);
}
else
{
hypre_MPSchwarzSolve(A, hypre_ParVectorLocalVector(f),
domain_structure, u, relax_wt,
hypre_ParVectorLocalVector(Vtemp), pivots, use_nonsymm);
}
return hypre_error_flag;
}
HYPRE_Int
hypre_SchwarzCFSolve(void *schwarz_vdata,
hypre_ParCSRMatrix *A,
hypre_ParVector *f,
hypre_ParVector *u,
HYPRE_Int *CF_marker,
HYPRE_Int rlx_pt)
{
hypre_SchwarzData *schwarz_data = (hypre_SchwarzData*) schwarz_vdata;
hypre_CSRMatrix *domain_structure =
hypre_SchwarzDataDomainStructure(schwarz_data);
HYPRE_Real *scale = hypre_SchwarzDataScale(schwarz_data);
hypre_ParVector *Vtemp = hypre_SchwarzDataVtemp(schwarz_data);
HYPRE_Int variant = hypre_SchwarzDataVariant(schwarz_data);
HYPRE_Real relax_wt = hypre_SchwarzDataRelaxWeight(schwarz_data);
HYPRE_Int use_nonsymm = hypre_SchwarzDataUseNonSymm(schwarz_data);
HYPRE_Int *pivots = hypre_SchwarzDataPivots(schwarz_data);
if (variant == 1)
{
hypre_AdSchwarzCFSolve(A, f, domain_structure, scale, u, Vtemp,
CF_marker, rlx_pt, pivots, use_nonsymm);
}
else if (variant == 4)
{
hypre_MPSchwarzCFFWSolve(A, hypre_ParVectorLocalVector(f),
domain_structure, u, relax_wt,
hypre_ParVectorLocalVector(Vtemp),
CF_marker, rlx_pt, pivots, use_nonsymm);
}
else
{
hypre_MPSchwarzCFSolve(A, hypre_ParVectorLocalVector(f),
domain_structure, u, relax_wt,
hypre_ParVectorLocalVector(Vtemp),
CF_marker, rlx_pt, pivots, use_nonsymm);
}
return hypre_error_flag;
}
void *
hypre_SchwarzCreate()
{
hypre_SchwarzData *schwarz_data;
HYPRE_Int variant;
HYPRE_Int domain_type;
HYPRE_Int overlap;
HYPRE_Int num_functions;
HYPRE_Int use_nonsymm;
double relax_weight;
/*-----------------------------------------------------------------------
* Setup default values for parameters
*-----------------------------------------------------------------------*/
/* setup params */
variant = 0; /* multiplicative Schwarz */
overlap = 1; /* minimal overlap */
domain_type = 2; /* domains generated by agglomeration */
num_functions = 1;
use_nonsymm = 0;
relax_weight = 1.0;
schwarz_data = hypre_CTAlloc(hypre_SchwarzData,1);
hypre_SchwarzSetVariant(schwarz_data, variant);
hypre_SchwarzSetDomainType(schwarz_data, domain_type);
hypre_SchwarzSetOverlap(schwarz_data, overlap);
hypre_SchwarzSetNumFunctions(schwarz_data, num_functions);
hypre_SchwarzSetNonSymm(schwarz_data, use_nonsymm);
hypre_SchwarzSetRelaxWeight(schwarz_data, relax_weight);
hypre_SchwarzDataDomainStructure(schwarz_data) = NULL;
hypre_SchwarzDataABoundary(schwarz_data) = NULL;
hypre_SchwarzDataScale(schwarz_data) = NULL;
hypre_SchwarzDataVtemp(schwarz_data) = NULL;
hypre_SchwarzDataDofFunc(schwarz_data) = NULL;
return (void *) schwarz_data;
}
HYPRE_Int
hypre_SchwarzDestroy( void *data )
{
hypre_SchwarzData *schwarz_data = data;
if (hypre_SchwarzDataScale(schwarz_data))
hypre_TFree (hypre_SchwarzDataScale(schwarz_data));
if (hypre_SchwarzDataDofFunc(schwarz_data))
hypre_TFree (hypre_SchwarzDataDofFunc(schwarz_data));
hypre_CSRMatrixDestroy(hypre_SchwarzDataDomainStructure(schwarz_data));
if (hypre_SchwarzDataVariant(schwarz_data) == 3);
hypre_CSRMatrixDestroy(hypre_SchwarzDataABoundary(schwarz_data));
hypre_ParVectorDestroy(hypre_SchwarzDataVtemp(schwarz_data));
if (hypre_SchwarzDataPivots(schwarz_data))
hypre_TFree (hypre_SchwarzDataPivots(schwarz_data));
hypre_TFree(schwarz_data);
return hypre_error_flag;
}
HYPRE_Int
hypre_SchwarzSetup(void *schwarz_vdata,
hypre_ParCSRMatrix *A,
hypre_ParVector *f,
hypre_ParVector *u )
{
hypre_SchwarzData *schwarz_data = schwarz_vdata;
HYPRE_Int *dof_func;
double *scale;
hypre_CSRMatrix *domain_structure;
hypre_CSRMatrix *A_boundary;
hypre_ParVector *Vtemp;
HYPRE_Int *pivots = NULL;
HYPRE_Int variant = hypre_SchwarzDataVariant(schwarz_data);
HYPRE_Int domain_type = hypre_SchwarzDataDomainType(schwarz_data);
HYPRE_Int overlap = hypre_SchwarzDataOverlap(schwarz_data);
HYPRE_Int num_functions = hypre_SchwarzDataNumFunctions(schwarz_data);
double relax_weight = hypre_SchwarzDataRelaxWeight(schwarz_data);
HYPRE_Int use_nonsymm = hypre_SchwarzDataUseNonSymm(schwarz_data);
dof_func = hypre_SchwarzDataDofFunc(schwarz_data);
Vtemp = hypre_ParVectorCreate(hypre_ParCSRMatrixComm(A),
hypre_ParCSRMatrixGlobalNumRows(A),
hypre_ParCSRMatrixRowStarts(A));
hypre_ParVectorSetPartitioningOwner(Vtemp,0);
hypre_ParVectorInitialize(Vtemp);
hypre_SchwarzDataVtemp(schwarz_data) = Vtemp;
if (variant > 1)
{
hypre_ParAMGCreateDomainDof(A,
domain_type, overlap,
num_functions, dof_func,
&domain_structure, &pivots, use_nonsymm);
if (variant == 2)
{
hypre_ParGenerateScale(A, domain_structure, relax_weight,
&scale);
hypre_SchwarzDataScale(schwarz_data) = scale;
}
else
{
hypre_ParGenerateHybridScale(A, domain_structure, &A_boundary, &scale);
hypre_SchwarzDataScale(schwarz_data) = scale;
if (hypre_CSRMatrixNumCols(hypre_ParCSRMatrixOffd(A)))
hypre_SchwarzDataABoundary(schwarz_data) = A_boundary;
else
hypre_SchwarzDataABoundary(schwarz_data) = NULL;
}
}
else
{
hypre_AMGCreateDomainDof (hypre_ParCSRMatrixDiag(A),
domain_type, overlap,
num_functions, dof_func,
&domain_structure, &pivots, use_nonsymm);
if (variant == 1)
{
hypre_GenerateScale(domain_structure,
hypre_CSRMatrixNumRows(hypre_ParCSRMatrixDiag(A)),
relax_weight, &scale);
hypre_SchwarzDataScale(schwarz_data) = scale;
}
}
hypre_SchwarzDataDomainStructure(schwarz_data) = domain_structure;
hypre_SchwarzDataPivots(schwarz_data) = pivots;
return hypre_error_flag;
}