void
hypre_F90_IFACE(hypre_structpfmgsettol, HYPRE_STRUCTPFMGSETTOL)
( hypre_F90_Obj *solver,
hypre_F90_Dbl *tol,
hypre_F90_Int *ierr )
{
*ierr = (hypre_F90_Int)
( HYPRE_StructPFMGSetTol(
hypre_F90_PassObj (HYPRE_StructSolver, solver),
hypre_F90_PassDbl (tol) ) );
}
void
CCDivGradHypreLevelSolver::setupHypreSolver()
{
// Get the MPI communicator.
#ifdef HAVE_MPI
MPI_Comm communicator = SAMRAI_MPI::getCommunicator();
#else
MPI_Comm communicator;
#endif
// When using a Krylov method, setup the preconditioner.
if (d_solver_type == "PCG" || d_solver_type == "GMRES" || d_solver_type == "FlexGMRES" || d_solver_type == "LGMRES" || d_solver_type == "BiCGSTAB")
{
if (d_precond_type == "PFMG")
{
HYPRE_StructPFMGCreate(communicator, &d_precond);
HYPRE_StructPFMGSetMaxIter(d_precond, 1);
HYPRE_StructPFMGSetTol(d_precond, 0.0);
HYPRE_StructPFMGSetZeroGuess(d_precond);
HYPRE_StructPFMGSetRAPType(d_precond, d_rap_type);
HYPRE_StructPFMGSetRelaxType(d_precond, d_relax_type);
HYPRE_StructPFMGSetNumPreRelax(d_precond, d_num_pre_relax_steps);
HYPRE_StructPFMGSetNumPostRelax(d_precond, d_num_post_relax_steps);
HYPRE_StructPFMGSetSkipRelax(d_precond, d_skip_relax);
}
else if (d_precond_type == "SMG")
{
HYPRE_StructSMGCreate(communicator, &d_precond);
HYPRE_StructSMGSetMaxIter(d_precond, 1);
HYPRE_StructSMGSetTol(d_precond, 0.0);
HYPRE_StructSMGSetZeroGuess(d_precond);
HYPRE_StructSMGSetMemoryUse(d_precond, d_memory_use);
HYPRE_StructSMGSetNumPreRelax(d_precond, d_num_pre_relax_steps);
HYPRE_StructSMGSetNumPostRelax(d_precond, d_num_post_relax_steps);
}
else if (d_precond_type == "Jacobi")
{
HYPRE_StructJacobiCreate(communicator, &d_precond);
HYPRE_StructJacobiSetMaxIter(d_precond, 2);
HYPRE_StructJacobiSetTol(d_precond, 0.0);
HYPRE_StructJacobiSetZeroGuess(d_precond);
}
}
// Setup the solver.
if (d_solver_type == "PFMG")
{
HYPRE_StructPFMGCreate(communicator, &d_solver);
HYPRE_StructPFMGSetMaxIter(d_solver, d_max_iterations);
HYPRE_StructPFMGSetTol(d_solver, d_rel_residual_tol);
HYPRE_StructPFMGSetRelChange(d_solver, d_rel_change);
HYPRE_StructPFMGSetRAPType(d_solver, d_rap_type);
HYPRE_StructPFMGSetRelaxType(d_solver, d_relax_type);
HYPRE_StructPFMGSetNumPreRelax(d_solver, d_num_pre_relax_steps);
HYPRE_StructPFMGSetNumPostRelax(d_solver, d_num_post_relax_steps);
HYPRE_StructPFMGSetSkipRelax(d_solver, d_skip_relax);
if (d_initial_guess_nonzero)
{
HYPRE_StructPFMGSetNonZeroGuess(d_solver);
}
else
{
HYPRE_StructPFMGSetZeroGuess(d_solver);
}
HYPRE_StructPFMGSetup(d_solver, d_matrix, d_rhs_vec, d_sol_vec);
}
else if (d_solver_type == "SMG")
{
HYPRE_StructSMGCreate(communicator, &d_solver);
HYPRE_StructSMGSetMaxIter(d_solver, d_max_iterations);
HYPRE_StructSMGSetTol(d_solver, d_rel_residual_tol);
HYPRE_StructSMGSetRelChange(d_solver, d_rel_change);
HYPRE_StructSMGSetMemoryUse(d_solver, d_memory_use);
HYPRE_StructSMGSetNumPreRelax(d_solver, d_num_pre_relax_steps);
HYPRE_StructSMGSetNumPostRelax(d_solver, d_num_post_relax_steps);
if (d_initial_guess_nonzero)
{
HYPRE_StructSMGSetNonZeroGuess(d_solver);
}
else
{
HYPRE_StructSMGSetZeroGuess(d_solver);
}
HYPRE_StructSMGSetup(d_solver, d_matrix, d_rhs_vec, d_sol_vec);
}
else if (d_solver_type == "PCG")
{
HYPRE_StructPCGCreate(communicator, &d_solver);
HYPRE_StructPCGSetMaxIter(d_solver, d_max_iterations);
HYPRE_StructPCGSetTol(d_solver, d_rel_residual_tol);
HYPRE_StructPCGSetAbsoluteTol(d_solver, d_abs_residual_tol);
HYPRE_StructPCGSetTwoNorm(d_solver, d_two_norm);
HYPRE_StructPCGSetRelChange(d_solver, d_rel_change);
if (d_precond_type == "PFMG")
{
HYPRE_StructPCGSetPrecond(d_solver,
HYPRE_StructPFMGSolve,
HYPRE_StructPFMGSetup,
d_precond);
}
else if (d_precond_type == "SMG")
{
HYPRE_StructPCGSetPrecond(d_solver,
HYPRE_StructSMGSolve,
HYPRE_StructSMGSetup,
d_precond);
}
else if (d_precond_type == "Jacobi")
{
HYPRE_StructPCGSetPrecond(d_solver,
HYPRE_StructJacobiSolve,
HYPRE_StructJacobiSetup,
d_precond);
}
else if (d_precond_type == "diagonal_scaling")
{
d_precond = NULL;
HYPRE_StructPCGSetPrecond(d_solver,
HYPRE_StructDiagScale,
HYPRE_StructDiagScaleSetup,
d_precond);
}
else if (d_precond_type == "none")
{
d_precond = NULL;
}
else
{
TBOX_ERROR(d_object_name << "::initializeSolverState()\n"
<< " unknown preconditioner type: " << d_precond_type << std::endl);
}
HYPRE_StructPCGSetup(d_solver, d_matrix, d_rhs_vec, d_sol_vec);
}
else if (d_solver_type == "GMRES")
{
HYPRE_StructGMRESCreate(communicator, &d_solver);
HYPRE_StructGMRESSetMaxIter(d_solver, d_max_iterations);
HYPRE_StructGMRESSetTol(d_solver, d_rel_residual_tol);
HYPRE_StructGMRESSetAbsoluteTol(d_solver, d_abs_residual_tol);
if (d_precond_type == "PFMG")
{
HYPRE_StructGMRESSetPrecond(d_solver,
HYPRE_StructPFMGSolve,
HYPRE_StructPFMGSetup,
d_precond);
}
else if (d_precond_type == "SMG")
{
HYPRE_StructGMRESSetPrecond(d_solver,
HYPRE_StructSMGSolve,
HYPRE_StructSMGSetup,
d_precond);
}
else if (d_precond_type == "Jacobi")
{
HYPRE_StructGMRESSetPrecond(d_solver,
HYPRE_StructJacobiSolve,
HYPRE_StructJacobiSetup,
d_precond);
}
else if (d_precond_type == "diagonal_scaling")
{
d_precond = NULL;
HYPRE_StructGMRESSetPrecond(d_solver,
HYPRE_StructDiagScale,
HYPRE_StructDiagScaleSetup,
d_precond);
}
else if (d_precond_type == "none")
{
d_precond = NULL;
}
else
{
TBOX_ERROR(d_object_name << "::initializeSolverState()\n"
<< " unknown preconditioner type: " << d_precond_type << std::endl);
}
HYPRE_StructGMRESSetup(d_solver, d_matrix, d_rhs_vec, d_sol_vec);
}
else if (d_solver_type == "FlexGMRES")
{
HYPRE_StructFlexGMRESCreate(communicator, &d_solver);
HYPRE_StructFlexGMRESSetMaxIter(d_solver, d_max_iterations);
HYPRE_StructFlexGMRESSetTol(d_solver, d_rel_residual_tol);
HYPRE_StructFlexGMRESSetAbsoluteTol(d_solver, d_abs_residual_tol);
if (d_precond_type == "PFMG")
{
HYPRE_StructFlexGMRESSetPrecond(d_solver,
HYPRE_StructPFMGSolve,
HYPRE_StructPFMGSetup,
d_precond);
}
else if (d_precond_type == "SMG")
{
HYPRE_StructFlexGMRESSetPrecond(d_solver,
HYPRE_StructSMGSolve,
HYPRE_StructSMGSetup,
d_precond);
}
else if (d_precond_type == "Jacobi")
{
HYPRE_StructFlexGMRESSetPrecond(d_solver,
HYPRE_StructJacobiSolve,
HYPRE_StructJacobiSetup,
d_precond);
}
else if (d_precond_type == "diagonal_scaling")
{
d_precond = NULL;
HYPRE_StructFlexGMRESSetPrecond(d_solver,
HYPRE_StructDiagScale,
HYPRE_StructDiagScaleSetup,
d_precond);
}
else if (d_precond_type == "none")
{
d_precond = NULL;
}
else
{
TBOX_ERROR(d_object_name << "::initializeSolverState()\n"
<< " unknown preconditioner type: " << d_precond_type << std::endl);
}
HYPRE_StructFlexGMRESSetup(d_solver, d_matrix, d_rhs_vec, d_sol_vec);
}
else if (d_solver_type == "LGMRES")
{
HYPRE_StructLGMRESCreate(communicator, &d_solver);
HYPRE_StructLGMRESSetMaxIter(d_solver, d_max_iterations);
HYPRE_StructLGMRESSetTol(d_solver, d_rel_residual_tol);
HYPRE_StructLGMRESSetAbsoluteTol(d_solver, d_abs_residual_tol);
if (d_precond_type == "PFMG")
{
HYPRE_StructLGMRESSetPrecond(d_solver,
HYPRE_StructPFMGSolve,
HYPRE_StructPFMGSetup,
d_precond);
}
else if (d_precond_type == "SMG")
{
HYPRE_StructLGMRESSetPrecond(d_solver,
HYPRE_StructSMGSolve,
HYPRE_StructSMGSetup,
d_precond);
}
else if (d_precond_type == "Jacobi")
{
HYPRE_StructLGMRESSetPrecond(d_solver,
HYPRE_StructJacobiSolve,
HYPRE_StructJacobiSetup,
d_precond);
}
else if (d_precond_type == "diagonal_scaling")
{
d_precond = NULL;
HYPRE_StructLGMRESSetPrecond(d_solver,
HYPRE_StructDiagScale,
HYPRE_StructDiagScaleSetup,
d_precond);
}
else if (d_precond_type == "none")
{
d_precond = NULL;
}
else
{
TBOX_ERROR(d_object_name << "::initializeSolverState()\n"
<< " unknown preconditioner type: " << d_precond_type << std::endl);
}
HYPRE_StructLGMRESSetup(d_solver, d_matrix, d_rhs_vec, d_sol_vec);
}
else if (d_solver_type == "BiCGSTAB")
{
HYPRE_StructBiCGSTABCreate(communicator, &d_solver);
HYPRE_StructBiCGSTABSetMaxIter(d_solver, d_max_iterations);
HYPRE_StructBiCGSTABSetTol(d_solver, d_rel_residual_tol);
HYPRE_StructBiCGSTABSetAbsoluteTol(d_solver, d_abs_residual_tol);
if (d_precond_type == "PFMG")
{
HYPRE_StructBiCGSTABSetPrecond(d_solver,
HYPRE_StructPFMGSolve,
HYPRE_StructPFMGSetup,
d_precond);
}
else if (d_precond_type == "SMG")
{
HYPRE_StructBiCGSTABSetPrecond(d_solver,
HYPRE_StructSMGSolve,
HYPRE_StructSMGSetup,
d_precond);
}
else if (d_precond_type == "Jacobi")
{
HYPRE_StructBiCGSTABSetPrecond(d_solver,
HYPRE_StructJacobiSolve,
HYPRE_StructJacobiSetup,
d_precond);
}
else if (d_precond_type == "diagonal_scaling")
{
d_precond = NULL;
HYPRE_StructBiCGSTABSetPrecond(d_solver,
HYPRE_StructDiagScale,
HYPRE_StructDiagScaleSetup,
d_precond);
}
else if (d_precond_type == "none")
{
d_precond = NULL;
}
else
{
TBOX_ERROR(d_object_name << "::initializeSolverState()\n"
<< " unknown preconditioner type: " << d_precond_type << std::endl);
}
HYPRE_StructBiCGSTABSetup(d_solver,d_matrix, d_rhs_vec, d_sol_vec);
}
else
{
TBOX_ERROR(d_object_name << "::initializeSolverState()\n"
<< " unknown solver type: " << d_solver_type << std::endl);
}
return;
}// setupHypreSolver
bool
CCDivGradHypreLevelSolver::solveSystem(
const int x_idx,
const int b_idx,
const IntVector<NDIM>& chkbrd_mode_id)
{
Pointer<PatchLevel<NDIM> > level = d_hierarchy->getPatchLevel(d_level_num);
// Copy solution and right-hand-side data to hypre structures.
for (PatchLevel<NDIM>::Iterator p(level); p; p++)
{
Pointer<Patch<NDIM> > patch = level->getPatch(p());
const Box<NDIM>& patch_box = patch->getBox();
Pointer<CellData<NDIM,double> > x_data = patch->getPatchData(x_idx);
copyToHypre(d_sol_vec, x_data, patch_box, chkbrd_mode_id);
Pointer<CellData<NDIM,double> > b_data = patch->getPatchData(b_idx);
copyToHypre(d_rhs_vec, b_data, patch_box, chkbrd_mode_id);
}
// Assemble the hypre vectors.
HYPRE_StructVectorAssemble(d_sol_vec);
HYPRE_StructVectorAssemble(d_rhs_vec);
// Solve the system.
IBTK_TIMER_START(t_solve_system_hypre);
if (d_solver_type == "PFMG")
{
HYPRE_StructPFMGSetMaxIter(d_solver, d_max_iterations);
HYPRE_StructPFMGSetTol(d_solver, d_rel_residual_tol);
HYPRE_StructPFMGSolve(d_solver, d_matrix, d_rhs_vec, d_sol_vec);
HYPRE_StructPFMGGetNumIterations(d_solver, &d_current_its);
HYPRE_StructPFMGGetFinalRelativeResidualNorm(d_solver, &d_current_residual_norm);
}
else if (d_solver_type == "SMG")
{
HYPRE_StructSMGSetMaxIter(d_solver, d_max_iterations);
HYPRE_StructSMGSetTol(d_solver, d_rel_residual_tol);
HYPRE_StructSMGSolve(d_solver, d_matrix, d_rhs_vec, d_sol_vec);
HYPRE_StructSMGGetNumIterations(d_solver, &d_current_its);
HYPRE_StructSMGGetFinalRelativeResidualNorm(d_solver, &d_current_residual_norm);
}
else if (d_solver_type == "PCG")
{
HYPRE_StructPCGSetMaxIter(d_solver, d_max_iterations);
HYPRE_StructPCGSetTol(d_solver, d_rel_residual_tol);
HYPRE_StructPCGSetAbsoluteTol(d_solver, d_abs_residual_tol);
HYPRE_StructPCGSolve(d_solver, d_matrix, d_rhs_vec, d_sol_vec);
HYPRE_StructPCGGetNumIterations(d_solver, &d_current_its);
HYPRE_StructPCGGetFinalRelativeResidualNorm(d_solver, &d_current_residual_norm);
}
else if (d_solver_type == "GMRES")
{
HYPRE_StructGMRESSetMaxIter(d_solver, d_max_iterations);
HYPRE_StructGMRESSetTol(d_solver, d_rel_residual_tol);
HYPRE_StructGMRESSetAbsoluteTol(d_solver, d_abs_residual_tol);
HYPRE_StructGMRESSolve(d_solver, d_matrix, d_rhs_vec, d_sol_vec);
HYPRE_StructGMRESGetNumIterations(d_solver, &d_current_its);
HYPRE_StructGMRESGetFinalRelativeResidualNorm(d_solver, &d_current_residual_norm);
}
else if (d_solver_type == "FlexGMRES")
{
HYPRE_StructFlexGMRESSetMaxIter(d_solver, d_max_iterations);
HYPRE_StructFlexGMRESSetTol(d_solver, d_rel_residual_tol);
HYPRE_StructFlexGMRESSetAbsoluteTol(d_solver, d_abs_residual_tol);
HYPRE_StructFlexGMRESSolve(d_solver, d_matrix, d_rhs_vec, d_sol_vec);
HYPRE_StructFlexGMRESGetNumIterations(d_solver, &d_current_its);
HYPRE_StructFlexGMRESGetFinalRelativeResidualNorm(d_solver, &d_current_residual_norm);
}
else if (d_solver_type == "LGMRES")
{
HYPRE_StructLGMRESSetMaxIter(d_solver, d_max_iterations);
HYPRE_StructLGMRESSetTol(d_solver, d_rel_residual_tol);
HYPRE_StructLGMRESSetAbsoluteTol(d_solver, d_abs_residual_tol);
HYPRE_StructLGMRESSolve(d_solver, d_matrix, d_rhs_vec, d_sol_vec);
HYPRE_StructLGMRESGetNumIterations(d_solver, &d_current_its);
HYPRE_StructLGMRESGetFinalRelativeResidualNorm(d_solver, &d_current_residual_norm);
}
else if (d_solver_type == "BiCGSTAB")
{
HYPRE_StructBiCGSTABSetMaxIter(d_solver, d_max_iterations);
HYPRE_StructBiCGSTABSetTol(d_solver, d_rel_residual_tol);
HYPRE_StructBiCGSTABSetAbsoluteTol(d_solver, d_abs_residual_tol);
HYPRE_StructBiCGSTABSolve(d_solver, d_matrix, d_rhs_vec, d_sol_vec);
HYPRE_StructBiCGSTABGetNumIterations(d_solver, &d_current_its);
HYPRE_StructBiCGSTABGetFinalRelativeResidualNorm(d_solver, &d_current_residual_norm);
}
IBTK_TIMER_STOP(t_solve_system_hypre);
// Pull the solution vector out of the hypre structures.
for (PatchLevel<NDIM>::Iterator p(level); p; p++)
{
Pointer<Patch<NDIM> > patch = level->getPatch(p());
const Box<NDIM>& patch_box = patch->getBox();
Pointer<CellData<NDIM,double> > x_data = patch->getPatchData(x_idx);
copyFromHypre(x_data, d_sol_vec, patch_box, chkbrd_mode_id);
}
return (d_current_residual_norm <= d_rel_residual_tol || d_current_residual_norm <= d_abs_residual_tol);
}// solveSystem
HYPRE_Int
HYPRE_SStructSplitSetup( HYPRE_SStructSolver solver,
HYPRE_SStructMatrix A,
HYPRE_SStructVector b,
HYPRE_SStructVector x )
{
hypre_SStructVector *y;
HYPRE_Int nparts;
HYPRE_Int *nvars;
void ****smatvec_data;
HYPRE_Int (***ssolver_solve)();
HYPRE_Int (***ssolver_destroy)();
void ***ssolver_data;
HYPRE_Int ssolver = (solver -> ssolver);
MPI_Comm comm;
hypre_SStructGrid *grid;
hypre_SStructPMatrix *pA;
hypre_SStructPVector *px;
hypre_SStructPVector *py;
hypre_StructMatrix *sA;
hypre_StructVector *sx;
hypre_StructVector *sy;
HYPRE_StructMatrix sAH;
HYPRE_StructVector sxH;
HYPRE_StructVector syH;
HYPRE_Int (*ssolve)();
HYPRE_Int (*sdestroy)();
void *sdata;
HYPRE_Int part, vi, vj;
comm = hypre_SStructVectorComm(b);
grid = hypre_SStructVectorGrid(b);
HYPRE_SStructVectorCreate(comm, grid, &y);
HYPRE_SStructVectorInitialize(y);
HYPRE_SStructVectorAssemble(y);
nparts = hypre_SStructMatrixNParts(A);
nvars = hypre_TAlloc(HYPRE_Int, nparts);
smatvec_data = hypre_TAlloc(void ***, nparts);
ssolver_solve = (HYPRE_Int (***)()) hypre_MAlloc((sizeof(HYPRE_Int (**)()) * nparts));
ssolver_destroy = (HYPRE_Int (***)()) hypre_MAlloc((sizeof(HYPRE_Int (**)()) * nparts));
ssolver_data = hypre_TAlloc(void **, nparts);
for (part = 0; part < nparts; part++)
{
pA = hypre_SStructMatrixPMatrix(A, part);
px = hypre_SStructVectorPVector(x, part);
py = hypre_SStructVectorPVector(y, part);
nvars[part] = hypre_SStructPMatrixNVars(pA);
smatvec_data[part] = hypre_TAlloc(void **, nvars[part]);
ssolver_solve[part] =
(HYPRE_Int (**)()) hypre_MAlloc((sizeof(HYPRE_Int (*)()) * nvars[part]));
ssolver_destroy[part] =
(HYPRE_Int (**)()) hypre_MAlloc((sizeof(HYPRE_Int (*)()) * nvars[part]));
ssolver_data[part] = hypre_TAlloc(void *, nvars[part]);
for (vi = 0; vi < nvars[part]; vi++)
{
smatvec_data[part][vi] = hypre_TAlloc(void *, nvars[part]);
for (vj = 0; vj < nvars[part]; vj++)
{
sA = hypre_SStructPMatrixSMatrix(pA, vi, vj);
sx = hypre_SStructPVectorSVector(px, vj);
smatvec_data[part][vi][vj] = NULL;
if (sA != NULL)
{
smatvec_data[part][vi][vj] = hypre_StructMatvecCreate();
hypre_StructMatvecSetup(smatvec_data[part][vi][vj], sA, sx);
}
}
sA = hypre_SStructPMatrixSMatrix(pA, vi, vi);
sx = hypre_SStructPVectorSVector(px, vi);
sy = hypre_SStructPVectorSVector(py, vi);
sAH = (HYPRE_StructMatrix) sA;
sxH = (HYPRE_StructVector) sx;
syH = (HYPRE_StructVector) sy;
switch(ssolver)
{
default:
/* If no solver is matched, use Jacobi, but throw and error */
if (ssolver != HYPRE_Jacobi)
{
hypre_error(HYPRE_ERROR_GENERIC);
} /* don't break */
case HYPRE_Jacobi:
HYPRE_StructJacobiCreate(comm, (HYPRE_StructSolver *)&sdata);
HYPRE_StructJacobiSetMaxIter(sdata, 1);
HYPRE_StructJacobiSetTol(sdata, 0.0);
if (solver -> zero_guess)
{
HYPRE_StructJacobiSetZeroGuess(sdata);
}
HYPRE_StructJacobiSetup(sdata, sAH, syH, sxH);
ssolve = HYPRE_StructJacobiSolve;
sdestroy = HYPRE_StructJacobiDestroy;
break;
case HYPRE_SMG:
HYPRE_StructSMGCreate(comm, (HYPRE_StructSolver *)&sdata);
HYPRE_StructSMGSetMemoryUse(sdata, 0);
HYPRE_StructSMGSetMaxIter(sdata, 1);
HYPRE_StructSMGSetTol(sdata, 0.0);
if (solver -> zero_guess)
{
HYPRE_StructSMGSetZeroGuess(sdata);
}
HYPRE_StructSMGSetNumPreRelax(sdata, 1);
HYPRE_StructSMGSetNumPostRelax(sdata, 1);
HYPRE_StructSMGSetLogging(sdata, 0);
HYPRE_StructSMGSetPrintLevel(sdata, 0);
HYPRE_StructSMGSetup(sdata, sAH, syH, sxH);
ssolve = HYPRE_StructSMGSolve;
sdestroy = HYPRE_StructSMGDestroy;
break;
case HYPRE_PFMG:
HYPRE_StructPFMGCreate(comm, (HYPRE_StructSolver *)&sdata);
HYPRE_StructPFMGSetMaxIter(sdata, 1);
HYPRE_StructPFMGSetTol(sdata, 0.0);
if (solver -> zero_guess)
{
HYPRE_StructPFMGSetZeroGuess(sdata);
}
HYPRE_StructPFMGSetRelaxType(sdata, 1);
HYPRE_StructPFMGSetNumPreRelax(sdata, 1);
HYPRE_StructPFMGSetNumPostRelax(sdata, 1);
HYPRE_StructPFMGSetLogging(sdata, 0);
HYPRE_StructPFMGSetPrintLevel(sdata, 0);
HYPRE_StructPFMGSetup(sdata, sAH, syH, sxH);
ssolve = HYPRE_StructPFMGSolve;
sdestroy = HYPRE_StructPFMGDestroy;
break;
}
ssolver_solve[part][vi] = ssolve;
ssolver_destroy[part][vi] = sdestroy;
ssolver_data[part][vi] = sdata;
}
}
(solver -> y) = y;
(solver -> nparts) = nparts;
(solver -> nvars) = nvars;
(solver -> smatvec_data) = smatvec_data;
(solver -> ssolver_solve) = ssolver_solve;
(solver -> ssolver_destroy) = ssolver_destroy;
(solver -> ssolver_data) = ssolver_data;
if ((solver -> tol) > 0.0)
{
hypre_SStructMatvecCreate(&(solver -> matvec_data));
hypre_SStructMatvecSetup((solver -> matvec_data), A, x);
}
return hypre_error_flag;
}