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* Copyright (c) 2008, Lawrence Livermore National Security, LLC.
* Produced at the Lawrence Livermore National Laboratory.
* This file is part of HYPRE. See file COPYRIGHT for details.
*
* HYPRE is free software; you can redistribute it and/or modify it under the
* terms of the GNU Lesser General Public License (as published by the Free
* Software Foundation) version 2.1 dated February 1999.
*
* $Revision: 2.22 $
***********************************************************************EHEADER*/
#ifndef HYPRE_STRUCT_LS_HEADER
#define HYPRE_STRUCT_LS_HEADER
#include "HYPRE_utilities.h"
#include "HYPRE_struct_mv.h"
#ifdef __cplusplus
extern "C" {
#endif
/*--------------------------------------------------------------------------
*--------------------------------------------------------------------------*/
/**
* @name Struct Solvers
*
* These solvers use matrix/vector storage schemes that are tailored
* to structured grid problems.
*
* @memo Linear solvers for structured grids
**/
/*@{*/
/*--------------------------------------------------------------------------
*--------------------------------------------------------------------------*/
/**
* @name Struct Solvers
**/
/*@{*/
struct hypre_StructSolver_struct;
/**
* The solver object.
**/
typedef struct hypre_StructSolver_struct *HYPRE_StructSolver;
typedef HYPRE_Int (*HYPRE_PtrToStructSolverFcn)(HYPRE_StructSolver,
HYPRE_StructMatrix,
HYPRE_StructVector,
HYPRE_StructVector);
#ifndef HYPRE_MODIFYPC
#define HYPRE_MODIFYPC
/* if pc not defined, then may need HYPRE_SOLVER also */
#ifndef HYPRE_SOLVER_STRUCT
#define HYPRE_SOLVER_STRUCT
struct hypre_Solver_struct;
typedef struct hypre_Solver_struct *HYPRE_Solver;
#endif
typedef HYPRE_Int (*HYPRE_PtrToModifyPCFcn)(HYPRE_Solver,
HYPRE_Int,
double);
#endif
/*@}*/
/*--------------------------------------------------------------------------
*--------------------------------------------------------------------------*/
/**
* @name Struct Jacobi Solver
**/
/*@{*/
/**
* Create a solver object.
**/
HYPRE_Int HYPRE_StructJacobiCreate(MPI_Comm comm,
HYPRE_StructSolver *solver);
/**
* Destroy a solver object. An object should be explicitly destroyed
* using this destructor when the user's code no longer needs direct
* access to it. Once destroyed, the object must not be referenced
* again. Note that the object may not be deallocated at the
* completion of this call, since there may be internal package
* references to the object. The object will then be destroyed when
* all internal reference counts go to zero.
**/
HYPRE_Int HYPRE_StructJacobiDestroy(HYPRE_StructSolver solver);
/**
* Prepare to solve the system. The coefficient data in {\tt b} and {\tt x} is
* ignored here, but information about the layout of the data may be used.
**/
HYPRE_Int HYPRE_StructJacobiSetup(HYPRE_StructSolver solver,
HYPRE_StructMatrix A,
HYPRE_StructVector b,
HYPRE_StructVector x);
/**
* Solve the system.
**/
HYPRE_Int HYPRE_StructJacobiSolve(HYPRE_StructSolver solver,
HYPRE_StructMatrix A,
HYPRE_StructVector b,
HYPRE_StructVector x);
/**
* (Optional) Set the convergence tolerance.
**/
HYPRE_Int HYPRE_StructJacobiSetTol(HYPRE_StructSolver solver,
double tol);
/**
* (Optional) Set maximum number of iterations.
**/
HYPRE_Int HYPRE_StructJacobiSetMaxIter(HYPRE_StructSolver solver,
HYPRE_Int max_iter);
/**
* (Optional) Use a zero initial guess. This allows the solver to cut corners
* in the case where a zero initial guess is needed (e.g., for preconditioning)
* to reduce compuational cost.
**/
HYPRE_Int HYPRE_StructJacobiSetZeroGuess(HYPRE_StructSolver solver);
/**
* (Optional) Use a nonzero initial guess. This is the default behavior, but
* this routine allows the user to switch back after using {\tt SetZeroGuess}.
**/
HYPRE_Int HYPRE_StructJacobiSetNonZeroGuess(HYPRE_StructSolver solver);
/**
* Return the number of iterations taken.
**/
HYPRE_Int HYPRE_StructJacobiGetNumIterations(HYPRE_StructSolver solver,
HYPRE_Int *num_iterations);
/**
* Return the norm of the final relative residual.
**/
HYPRE_Int HYPRE_StructJacobiGetFinalRelativeResidualNorm(HYPRE_StructSolver solver,
double *norm);
/*@}*/
/*--------------------------------------------------------------------------
*--------------------------------------------------------------------------*/
/**
* @name Struct PFMG Solver
*
* PFMG is a semicoarsening multigrid solver that uses pointwise relaxation.
* For periodic problems, users should try to set the grid size in periodic
* dimensions to be as close to a power-of-two as possible. That is, if the
* grid size in a periodic dimension is given by $N = 2^m * M$ where $M$ is not
* a power-of-two, then $M$ should be as small as possible. Large values of $M$
* will generally result in slower convergence rates.
**/
/*@{*/
/**
* Create a solver object.
**/
HYPRE_Int HYPRE_StructPFMGCreate(MPI_Comm comm,
HYPRE_StructSolver *solver);
/**
* Destroy a solver object.
**/
HYPRE_Int HYPRE_StructPFMGDestroy(HYPRE_StructSolver solver);
/**
* Prepare to solve the system. The coefficient data in {\tt b} and {\tt x} is
* ignored here, but information about the layout of the data may be used.
**/
HYPRE_Int HYPRE_StructPFMGSetup(HYPRE_StructSolver solver,
HYPRE_StructMatrix A,
HYPRE_StructVector b,
HYPRE_StructVector x);
/**
* Solve the system.
**/
HYPRE_Int HYPRE_StructPFMGSolve(HYPRE_StructSolver solver,
HYPRE_StructMatrix A,
HYPRE_StructVector b,
HYPRE_StructVector x);
/**
* (Optional) Set the convergence tolerance.
**/
HYPRE_Int HYPRE_StructPFMGSetTol(HYPRE_StructSolver solver,
double tol);
/**
* (Optional) Set maximum number of iterations.
**/
HYPRE_Int HYPRE_StructPFMGSetMaxIter(HYPRE_StructSolver solver,
HYPRE_Int max_iter);
/**
* (Optional) Set maximum number of multigrid grid levels.
**/
HYPRE_Int HYPRE_StructPFMGSetMaxLevels(HYPRE_StructSolver solver,
HYPRE_Int max_levels);
/**
* (Optional) Additionally require that the relative difference in
* successive iterates be small.
**/
HYPRE_Int HYPRE_StructPFMGSetRelChange(HYPRE_StructSolver solver,
HYPRE_Int rel_change);
/**
* (Optional) Use a zero initial guess. This allows the solver to cut corners
* in the case where a zero initial guess is needed (e.g., for preconditioning)
* to reduce compuational cost.
**/
HYPRE_Int HYPRE_StructPFMGSetZeroGuess(HYPRE_StructSolver solver);
/**
* (Optional) Use a nonzero initial guess. This is the default behavior, but
* this routine allows the user to switch back after using {\tt SetZeroGuess}.
**/
HYPRE_Int HYPRE_StructPFMGSetNonZeroGuess(HYPRE_StructSolver solver);
/**
* (Optional) Set relaxation type.
*
* Current relaxation methods set by {\tt relax\_type} are:
*
* \begin{tabular}{l@{ -- }l}
* 0 & Jacobi \\
* 1 & Weighted Jacobi (default) \\
* 2 & Red/Black Gauss-Seidel (symmetric: RB pre-relaxation, BR post-relaxation) \\
* 3 & Red/Black Gauss-Seidel (nonsymmetric: RB pre- and post-relaxation) \\
* \end{tabular}
**/
HYPRE_Int HYPRE_StructPFMGSetRelaxType(HYPRE_StructSolver solver,
HYPRE_Int relax_type);
/*
* (Optional) Set Jacobi weight (this is purposely not documented)
*/
HYPRE_Int HYPRE_StructPFMGSetJacobiWeight(HYPRE_StructSolver solver,
double weight);
HYPRE_Int HYPRE_StructPFMGGetJacobiWeight(HYPRE_StructSolver solver,
double *weight);
/**
* (Optional) Set type of coarse-grid operator to use.
*
* Current operators set by {\tt rap\_type} are:
*
* \begin{tabular}{l@{ -- }l}
* 0 & Galerkin (default) \\
* 1 & non-Galerkin 5-pt or 7-pt stencils \\
* \end{tabular}
*
* Both operators are constructed algebraically. The non-Galerkin option
* maintains a 5-pt stencil in 2D and a 7-pt stencil in 3D on all grid levels.
* The stencil coefficients are computed by averaging techniques.
**/
HYPRE_Int HYPRE_StructPFMGSetRAPType(HYPRE_StructSolver solver,
HYPRE_Int rap_type);
/**
* (Optional) Set number of relaxation sweeps before coarse-grid correction.
**/
HYPRE_Int HYPRE_StructPFMGSetNumPreRelax(HYPRE_StructSolver solver,
HYPRE_Int num_pre_relax);
/**
* (Optional) Set number of relaxation sweeps after coarse-grid correction.
**/
HYPRE_Int HYPRE_StructPFMGSetNumPostRelax(HYPRE_StructSolver solver,
HYPRE_Int num_post_relax);
/**
* (Optional) Skip relaxation on certain grids for isotropic problems. This can
* greatly improve efficiency by eliminating unnecessary relaxations when the
* underlying problem is isotropic.
**/
HYPRE_Int HYPRE_StructPFMGSetSkipRelax(HYPRE_StructSolver solver,
HYPRE_Int skip_relax);
/*
* RE-VISIT
**/
HYPRE_Int HYPRE_StructPFMGSetDxyz(HYPRE_StructSolver solver,
double *dxyz);
/**
* (Optional) Set the amount of logging to do.
**/
HYPRE_Int HYPRE_StructPFMGSetLogging(HYPRE_StructSolver solver,
HYPRE_Int logging);
/**
* (Optional) Set the amount of printing to do to the screen.
**/
HYPRE_Int HYPRE_StructPFMGSetPrintLevel(HYPRE_StructSolver solver,
HYPRE_Int print_level);
/**
* Return the number of iterations taken.
**/
HYPRE_Int HYPRE_StructPFMGGetNumIterations(HYPRE_StructSolver solver,
HYPRE_Int *num_iterations);
/**
* Return the norm of the final relative residual.
**/
HYPRE_Int HYPRE_StructPFMGGetFinalRelativeResidualNorm(HYPRE_StructSolver solver,
double *norm);
/*@}*/
/*--------------------------------------------------------------------------
*--------------------------------------------------------------------------*/
/**
* @name Struct SMG Solver
*
* SMG is a semicoarsening multigrid solver that uses plane smoothing (in 3D).
* The plane smoother calls a 2D SMG algorithm with line smoothing, and the line
* smoother is cyclic reduction (1D SMG). For periodic problems, the grid size
* in periodic dimensions currently must be a power-of-two.
**/
/*@{*/
/**
* Create a solver object.
**/
HYPRE_Int HYPRE_StructSMGCreate(MPI_Comm comm,
HYPRE_StructSolver *solver);
/**
* Destroy a solver object.
**/
HYPRE_Int HYPRE_StructSMGDestroy(HYPRE_StructSolver solver);
/**
* Prepare to solve the system. The coefficient data in {\tt b} and {\tt x} is
* ignored here, but information about the layout of the data may be used.
**/
HYPRE_Int HYPRE_StructSMGSetup(HYPRE_StructSolver solver,
HYPRE_StructMatrix A,
HYPRE_StructVector b,
HYPRE_StructVector x);
/**
* Solve the system.
**/
HYPRE_Int HYPRE_StructSMGSolve(HYPRE_StructSolver solver,
HYPRE_StructMatrix A,
HYPRE_StructVector b,
HYPRE_StructVector x);
/*
* RE-VISIT
**/
HYPRE_Int HYPRE_StructSMGSetMemoryUse(HYPRE_StructSolver solver,
HYPRE_Int memory_use);
/**
* (Optional) Set the convergence tolerance.
**/
HYPRE_Int HYPRE_StructSMGSetTol(HYPRE_StructSolver solver,
double tol);
/**
* (Optional) Set maximum number of iterations.
**/
HYPRE_Int HYPRE_StructSMGSetMaxIter(HYPRE_StructSolver solver,
HYPRE_Int max_iter);
/**
* (Optional) Additionally require that the relative difference in
* successive iterates be small.
**/
HYPRE_Int HYPRE_StructSMGSetRelChange(HYPRE_StructSolver solver,
HYPRE_Int rel_change);
/**
* (Optional) Use a zero initial guess. This allows the solver to cut corners
* in the case where a zero initial guess is needed (e.g., for preconditioning)
* to reduce compuational cost.
**/
HYPRE_Int HYPRE_StructSMGSetZeroGuess(HYPRE_StructSolver solver);
/**
* (Optional) Use a nonzero initial guess. This is the default behavior, but
* this routine allows the user to switch back after using {\tt SetZeroGuess}.
**/
HYPRE_Int HYPRE_StructSMGSetNonZeroGuess(HYPRE_StructSolver solver);
/**
* (Optional) Set number of relaxation sweeps before coarse-grid correction.
**/
HYPRE_Int HYPRE_StructSMGSetNumPreRelax(HYPRE_StructSolver solver,
HYPRE_Int num_pre_relax);
/**
* (Optional) Set number of relaxation sweeps after coarse-grid correction.
**/
HYPRE_Int HYPRE_StructSMGSetNumPostRelax(HYPRE_StructSolver solver,
HYPRE_Int num_post_relax);
/**
* (Optional) Set the amount of logging to do.
**/
HYPRE_Int HYPRE_StructSMGSetLogging(HYPRE_StructSolver solver,
HYPRE_Int logging);
/**
* (Optional) Set the amount of printing to do to the screen.
**/
HYPRE_Int HYPRE_StructSMGSetPrintLevel(HYPRE_StructSolver solver,
HYPRE_Int print_level);
/**
* Return the number of iterations taken.
**/
HYPRE_Int HYPRE_StructSMGGetNumIterations(HYPRE_StructSolver solver,
HYPRE_Int *num_iterations);
/**
* Return the norm of the final relative residual.
**/
HYPRE_Int HYPRE_StructSMGGetFinalRelativeResidualNorm(HYPRE_StructSolver solver,
double *norm);
/*@}*/
/*--------------------------------------------------------------------------
*--------------------------------------------------------------------------*/
/**
* @name Struct PCG Solver
*
* These routines should be used in conjunction with the generic interface in
* \Ref{PCG Solver}.
**/
/*@{*/
/**
* Create a solver object.
**/
HYPRE_Int HYPRE_StructPCGCreate(MPI_Comm comm,
HYPRE_StructSolver *solver);
/**
* Destroy a solver object.
**/
HYPRE_Int HYPRE_StructPCGDestroy(HYPRE_StructSolver solver);
HYPRE_Int HYPRE_StructPCGSetup(HYPRE_StructSolver solver,
HYPRE_StructMatrix A,
HYPRE_StructVector b,
HYPRE_StructVector x);
HYPRE_Int HYPRE_StructPCGSolve(HYPRE_StructSolver solver,
HYPRE_StructMatrix A,
HYPRE_StructVector b,
HYPRE_StructVector x);
HYPRE_Int HYPRE_StructPCGSetTol(HYPRE_StructSolver solver,
double tol);
HYPRE_Int HYPRE_StructPCGSetAbsoluteTol(HYPRE_StructSolver solver,
double tol);
HYPRE_Int HYPRE_StructPCGSetMaxIter(HYPRE_StructSolver solver,
HYPRE_Int max_iter);
HYPRE_Int HYPRE_StructPCGSetTwoNorm(HYPRE_StructSolver solver,
HYPRE_Int two_norm);
HYPRE_Int HYPRE_StructPCGSetRelChange(HYPRE_StructSolver solver,
HYPRE_Int rel_change);
HYPRE_Int HYPRE_StructPCGSetPrecond(HYPRE_StructSolver solver,
HYPRE_PtrToStructSolverFcn precond,
HYPRE_PtrToStructSolverFcn precond_setup,
HYPRE_StructSolver precond_solver);
HYPRE_Int HYPRE_StructPCGSetLogging(HYPRE_StructSolver solver,
HYPRE_Int logging);
HYPRE_Int HYPRE_StructPCGSetPrintLevel(HYPRE_StructSolver solver,
HYPRE_Int level);
HYPRE_Int HYPRE_StructPCGGetNumIterations(HYPRE_StructSolver solver,
HYPRE_Int *num_iterations);
HYPRE_Int HYPRE_StructPCGGetFinalRelativeResidualNorm(HYPRE_StructSolver solver,
double *norm);
HYPRE_Int HYPRE_StructPCGGetResidual(HYPRE_StructSolver solver,
void **residual);
/**
* Setup routine for diagonal preconditioning.
**/
HYPRE_Int HYPRE_StructDiagScaleSetup(HYPRE_StructSolver solver,
HYPRE_StructMatrix A,
HYPRE_StructVector y,
HYPRE_StructVector x);
/**
* Solve routine for diagonal preconditioning.
**/
HYPRE_Int HYPRE_StructDiagScale(HYPRE_StructSolver solver,
HYPRE_StructMatrix HA,
HYPRE_StructVector Hy,
HYPRE_StructVector Hx);
/*@}*/
/*--------------------------------------------------------------------------
*--------------------------------------------------------------------------*/
/**
* @name Struct GMRES Solver
*
* These routines should be used in conjunction with the generic interface in
* \Ref{GMRES Solver}.
**/
/*@{*/
/**
* Create a solver object.
**/
HYPRE_Int HYPRE_StructGMRESCreate(MPI_Comm comm,
HYPRE_StructSolver *solver);
/**
* Destroy a solver object.
**/
HYPRE_Int HYPRE_StructGMRESDestroy(HYPRE_StructSolver solver);
HYPRE_Int HYPRE_StructGMRESSetup(HYPRE_StructSolver solver,
HYPRE_StructMatrix A,
HYPRE_StructVector b,
HYPRE_StructVector x);
HYPRE_Int HYPRE_StructGMRESSolve(HYPRE_StructSolver solver,
HYPRE_StructMatrix A,
HYPRE_StructVector b,
HYPRE_StructVector x);
HYPRE_Int HYPRE_StructGMRESSetTol(HYPRE_StructSolver solver,
double tol);
HYPRE_Int HYPRE_StructGMRESSetAbsoluteTol(HYPRE_StructSolver solver,
double tol);
HYPRE_Int HYPRE_StructGMRESSetMaxIter(HYPRE_StructSolver solver,
HYPRE_Int max_iter);
HYPRE_Int HYPRE_StructGMRESSetKDim(HYPRE_StructSolver solver,
HYPRE_Int k_dim);
HYPRE_Int HYPRE_StructGMRESSetPrecond(HYPRE_StructSolver solver,
HYPRE_PtrToStructSolverFcn precond,
HYPRE_PtrToStructSolverFcn precond_setup,
HYPRE_StructSolver precond_solver);
HYPRE_Int HYPRE_StructGMRESSetLogging(HYPRE_StructSolver solver,
HYPRE_Int logging);
HYPRE_Int HYPRE_StructGMRESSetPrintLevel(HYPRE_StructSolver solver,
HYPRE_Int level);
HYPRE_Int HYPRE_StructGMRESGetNumIterations(HYPRE_StructSolver solver,
HYPRE_Int *num_iterations);
HYPRE_Int HYPRE_StructGMRESGetFinalRelativeResidualNorm(HYPRE_StructSolver solver,
double *norm);
HYPRE_Int HYPRE_StructGMRESGetResidual(HYPRE_StructSolver solver,
void **residual);
/*@}*/
/*--------------------------------------------------------------------------
*--------------------------------------------------------------------------*/
/**
* @name Struct FlexGMRES Solver
*
* These routines should be used in conjunction with the generic interface in
* \Ref{FlexGMRES Solver}.
**/
/*@{*/
/**
* Create a solver object.
**/
HYPRE_Int HYPRE_StructFlexGMRESCreate(MPI_Comm comm,
HYPRE_StructSolver *solver);
/**
* Destroy a solver object.
**/
HYPRE_Int HYPRE_StructFlexGMRESDestroy(HYPRE_StructSolver solver);
HYPRE_Int HYPRE_StructFlexGMRESSetup(HYPRE_StructSolver solver,
HYPRE_StructMatrix A,
HYPRE_StructVector b,
HYPRE_StructVector x);
HYPRE_Int HYPRE_StructFlexGMRESSolve(HYPRE_StructSolver solver,
HYPRE_StructMatrix A,
HYPRE_StructVector b,
HYPRE_StructVector x);
HYPRE_Int HYPRE_StructFlexGMRESSetTol(HYPRE_StructSolver solver,
double tol);
HYPRE_Int HYPRE_StructFlexGMRESSetAbsoluteTol(HYPRE_StructSolver solver,
double tol);
HYPRE_Int HYPRE_StructFlexGMRESSetMaxIter(HYPRE_StructSolver solver,
HYPRE_Int max_iter);
HYPRE_Int HYPRE_StructFlexGMRESSetKDim(HYPRE_StructSolver solver,
HYPRE_Int k_dim);
HYPRE_Int HYPRE_StructFlexGMRESSetPrecond(HYPRE_StructSolver solver,
HYPRE_PtrToStructSolverFcn precond,
HYPRE_PtrToStructSolverFcn precond_setup,
HYPRE_StructSolver precond_solver);
HYPRE_Int HYPRE_StructFlexGMRESSetLogging(HYPRE_StructSolver solver,
HYPRE_Int logging);
HYPRE_Int HYPRE_StructFlexGMRESSetPrintLevel(HYPRE_StructSolver solver,
HYPRE_Int level);
HYPRE_Int HYPRE_StructFlexGMRESGetNumIterations(HYPRE_StructSolver solver,
HYPRE_Int *num_iterations);
HYPRE_Int HYPRE_StructFlexGMRESGetFinalRelativeResidualNorm(HYPRE_StructSolver solver,
double *norm);
HYPRE_Int HYPRE_StructFlexGMRESGetResidual(HYPRE_StructSolver solver,
void **residual);
HYPRE_Int HYPRE_StructFlexGMRESSetModifyPC(HYPRE_StructSolver solver,
HYPRE_PtrToModifyPCFcn modify_pc);
/*@}*/
/*--------------------------------------------------------------------------
*--------------------------------------------------------------------------*/
/**
* @name Struct LGMRES Solver
*
* These routines should be used in conjunction with the generic interface in
* \Ref{LGMRES Solver}.
**/
/*@{*/
/**
* Create a solver object.
**/
HYPRE_Int HYPRE_StructLGMRESCreate(MPI_Comm comm,
HYPRE_StructSolver *solver);
/**
* Destroy a solver object.
**/
HYPRE_Int HYPRE_StructLGMRESDestroy(HYPRE_StructSolver solver);
HYPRE_Int HYPRE_StructLGMRESSetup(HYPRE_StructSolver solver,
HYPRE_StructMatrix A,
HYPRE_StructVector b,
HYPRE_StructVector x);
HYPRE_Int HYPRE_StructLGMRESSolve(HYPRE_StructSolver solver,
HYPRE_StructMatrix A,
HYPRE_StructVector b,
HYPRE_StructVector x);
HYPRE_Int HYPRE_StructLGMRESSetTol(HYPRE_StructSolver solver,
double tol);
HYPRE_Int HYPRE_StructLGMRESSetAbsoluteTol(HYPRE_StructSolver solver,
double tol);
HYPRE_Int HYPRE_StructLGMRESSetMaxIter(HYPRE_StructSolver solver,
HYPRE_Int max_iter);
HYPRE_Int HYPRE_StructLGMRESSetKDim(HYPRE_StructSolver solver,
HYPRE_Int k_dim);
HYPRE_Int HYPRE_StructLGMRESSetAugDim(HYPRE_StructSolver solver,
HYPRE_Int aug_dim);
HYPRE_Int HYPRE_StructLGMRESSetPrecond(HYPRE_StructSolver solver,
HYPRE_PtrToStructSolverFcn precond,
HYPRE_PtrToStructSolverFcn precond_setup,
HYPRE_StructSolver precond_solver);
HYPRE_Int HYPRE_StructLGMRESSetLogging(HYPRE_StructSolver solver,
HYPRE_Int logging);
HYPRE_Int HYPRE_StructLGMRESSetPrintLevel(HYPRE_StructSolver solver,
HYPRE_Int level);
HYPRE_Int HYPRE_StructLGMRESGetNumIterations(HYPRE_StructSolver solver,
HYPRE_Int *num_iterations);
HYPRE_Int HYPRE_StructLGMRESGetFinalRelativeResidualNorm(HYPRE_StructSolver solver,
double *norm);
HYPRE_Int HYPRE_StructLGMRESGetResidual(HYPRE_StructSolver solver,
void **residual);
/*@}*/
/*--------------------------------------------------------------------------
*--------------------------------------------------------------------------*/
/**
* @name Struct BiCGSTAB Solver
*
* These routines should be used in conjunction with the generic interface in
* \Ref{BiCGSTAB Solver}.
**/
/*@{*/
/**
* Create a solver object.
**/
HYPRE_Int HYPRE_StructBiCGSTABCreate(MPI_Comm comm,
HYPRE_StructSolver *solver);
/**
* Destroy a solver object.
**/
HYPRE_Int HYPRE_StructBiCGSTABDestroy(HYPRE_StructSolver solver);
HYPRE_Int HYPRE_StructBiCGSTABSetup(HYPRE_StructSolver solver,
HYPRE_StructMatrix A,
HYPRE_StructVector b,
HYPRE_StructVector x);
HYPRE_Int HYPRE_StructBiCGSTABSolve(HYPRE_StructSolver solver,
HYPRE_StructMatrix A,
HYPRE_StructVector b,
HYPRE_StructVector x);
HYPRE_Int HYPRE_StructBiCGSTABSetTol(HYPRE_StructSolver solver,
double tol);
HYPRE_Int HYPRE_StructBiCGSTABSetAbsoluteTol(HYPRE_StructSolver solver,
double tol);
HYPRE_Int HYPRE_StructBiCGSTABSetMaxIter(HYPRE_StructSolver solver,
HYPRE_Int max_iter);
HYPRE_Int HYPRE_StructBiCGSTABSetPrecond(HYPRE_StructSolver solver,
HYPRE_PtrToStructSolverFcn precond,
HYPRE_PtrToStructSolverFcn precond_setup,
HYPRE_StructSolver precond_solver);
HYPRE_Int HYPRE_StructBiCGSTABSetLogging(HYPRE_StructSolver solver,
HYPRE_Int logging);
HYPRE_Int HYPRE_StructBiCGSTABSetPrintLevel(HYPRE_StructSolver solver,
HYPRE_Int level);
HYPRE_Int HYPRE_StructBiCGSTABGetNumIterations(HYPRE_StructSolver solver,
HYPRE_Int *num_iterations);
HYPRE_Int HYPRE_StructBiCGSTABGetFinalRelativeResidualNorm(HYPRE_StructSolver solver,
double *norm);
HYPRE_Int HYPRE_StructBiCGSTABGetResidual( HYPRE_StructSolver solver,
void **residual);
/*@}*/
/*--------------------------------------------------------------------------
*--------------------------------------------------------------------------*/
/**
* @name Struct Hybrid Solver
**/
/*@{*/
/**
* Create a solver object.
**/
HYPRE_Int HYPRE_StructHybridCreate(MPI_Comm comm,
HYPRE_StructSolver *solver);
/**
* Destroy a solver object.
**/
HYPRE_Int HYPRE_StructHybridDestroy(HYPRE_StructSolver solver);
/**
* Prepare to solve the system. The coefficient data in {\tt b} and {\tt x} is
* ignored here, but information about the layout of the data may be used.
**/
HYPRE_Int HYPRE_StructHybridSetup(HYPRE_StructSolver solver,
HYPRE_StructMatrix A,
HYPRE_StructVector b,
HYPRE_StructVector x);
/**
* Solve the system.
**/
HYPRE_Int HYPRE_StructHybridSolve(HYPRE_StructSolver solver,
HYPRE_StructMatrix A,
HYPRE_StructVector b,
HYPRE_StructVector x);
/**
* (Optional) Set the convergence tolerance.
**/
HYPRE_Int HYPRE_StructHybridSetTol(HYPRE_StructSolver solver,
double tol);
/**
* (Optional) Set an accepted convergence tolerance for diagonal scaling (DS).
* The solver will switch preconditioners if the convergence of DS is slower
* than {\tt cf\_tol}.
**/
HYPRE_Int HYPRE_StructHybridSetConvergenceTol(HYPRE_StructSolver solver,
double cf_tol);
/**
* (Optional) Set maximum number of iterations for diagonal scaling (DS). The
* solver will switch preconditioners if DS reaches {\tt ds\_max\_its}.
**/
HYPRE_Int HYPRE_StructHybridSetDSCGMaxIter(HYPRE_StructSolver solver,
HYPRE_Int ds_max_its);
/**
* (Optional) Set maximum number of iterations for general preconditioner (PRE).
* The solver will stop if PRE reaches {\tt pre\_max\_its}.
**/
HYPRE_Int HYPRE_StructHybridSetPCGMaxIter(HYPRE_StructSolver solver,
HYPRE_Int pre_max_its);
/**
* (Optional) Use the two-norm in stopping criteria.
**/
HYPRE_Int HYPRE_StructHybridSetTwoNorm(HYPRE_StructSolver solver,
HYPRE_Int two_norm);
HYPRE_Int HYPRE_StructHybridSetStopCrit(HYPRE_StructSolver solver,
HYPRE_Int stop_crit);
/**
* (Optional) Additionally require that the relative difference in
* successive iterates be small.
**/
HYPRE_Int HYPRE_StructHybridSetRelChange(HYPRE_StructSolver solver,
HYPRE_Int rel_change);
/**
* (Optional) Set the type of Krylov solver to use.
*
* Current krylov methods set by {\tt solver\_type} are:
*
* \begin{tabular}{l@{ -- }l}
* 0 & PCG (default) \\
* 1 & GMRES \\
* 2 & BiCGSTAB \\
* \end{tabular}
**/
HYPRE_Int HYPRE_StructHybridSetSolverType(HYPRE_StructSolver solver,
HYPRE_Int solver_type);
/**
* (Optional) Set the maximum size of the Krylov space when using GMRES.
**/
HYPRE_Int HYPRE_StructHybridSetKDim(HYPRE_StructSolver solver,
HYPRE_Int k_dim);
/**
* (Optional) Set the preconditioner to use.
**/
HYPRE_Int HYPRE_StructHybridSetPrecond(HYPRE_StructSolver solver,
HYPRE_PtrToStructSolverFcn precond,
HYPRE_PtrToStructSolverFcn precond_setup,
HYPRE_StructSolver precond_solver);
/**
* (Optional) Set the amount of logging to do.
**/
HYPRE_Int HYPRE_StructHybridSetLogging(HYPRE_StructSolver solver,
HYPRE_Int logging);
/**
* (Optional) Set the amount of printing to do to the screen.
**/
HYPRE_Int HYPRE_StructHybridSetPrintLevel(HYPRE_StructSolver solver,
HYPRE_Int print_level);
/**
* Return the number of iterations taken.
**/
HYPRE_Int HYPRE_StructHybridGetNumIterations(HYPRE_StructSolver solver,
HYPRE_Int *num_its);
/**
* Return the number of diagonal scaling iterations taken.
**/
HYPRE_Int HYPRE_StructHybridGetDSCGNumIterations(HYPRE_StructSolver solver,
HYPRE_Int *ds_num_its);
/**
* Return the number of general preconditioning iterations taken.
**/
HYPRE_Int HYPRE_StructHybridGetPCGNumIterations(HYPRE_StructSolver solver,
HYPRE_Int *pre_num_its);
/**
* Return the norm of the final relative residual.
**/
HYPRE_Int HYPRE_StructHybridGetFinalRelativeResidualNorm(HYPRE_StructSolver solver,
double *norm);
/*@}*/
/*--------------------------------------------------------------------------
*--------------------------------------------------------------------------*/
/*
* @name Struct SparseMSG Solver
**/
HYPRE_Int HYPRE_StructSparseMSGCreate(MPI_Comm comm,
HYPRE_StructSolver *solver);
HYPRE_Int HYPRE_StructSparseMSGDestroy(HYPRE_StructSolver solver);
HYPRE_Int HYPRE_StructSparseMSGSetup(HYPRE_StructSolver solver,
HYPRE_StructMatrix A,
HYPRE_StructVector b,
HYPRE_StructVector x);
HYPRE_Int HYPRE_StructSparseMSGSolve(HYPRE_StructSolver solver,
HYPRE_StructMatrix A,
HYPRE_StructVector b,
HYPRE_StructVector x);
HYPRE_Int HYPRE_StructSparseMSGSetTol(HYPRE_StructSolver solver,
double tol);
HYPRE_Int HYPRE_StructSparseMSGSetMaxIter(HYPRE_StructSolver solver,
HYPRE_Int max_iter);
HYPRE_Int HYPRE_StructSparseMSGSetJump(HYPRE_StructSolver solver,
HYPRE_Int jump);
HYPRE_Int HYPRE_StructSparseMSGSetRelChange(HYPRE_StructSolver solver,
HYPRE_Int rel_change);
HYPRE_Int HYPRE_StructSparseMSGSetZeroGuess(HYPRE_StructSolver solver);
HYPRE_Int HYPRE_StructSparseMSGSetNonZeroGuess(HYPRE_StructSolver solver);
HYPRE_Int HYPRE_StructSparseMSGSetRelaxType(HYPRE_StructSolver solver,
HYPRE_Int relax_type);
HYPRE_Int HYPRE_StructSparseMSGSetJacobiWeight(HYPRE_StructSolver solver,
double weight);
HYPRE_Int HYPRE_StructSparseMSGSetNumPreRelax(HYPRE_StructSolver solver,
HYPRE_Int num_pre_relax);
HYPRE_Int HYPRE_StructSparseMSGSetNumPostRelax(HYPRE_StructSolver solver,
HYPRE_Int num_post_relax);
HYPRE_Int HYPRE_StructSparseMSGSetNumFineRelax(HYPRE_StructSolver solver,
HYPRE_Int num_fine_relax);
HYPRE_Int HYPRE_StructSparseMSGSetLogging(HYPRE_StructSolver solver,
HYPRE_Int logging);
HYPRE_Int HYPRE_StructSparseMSGSetPrintLevel(HYPRE_StructSolver solver,
HYPRE_Int print_level);
HYPRE_Int HYPRE_StructSparseMSGGetNumIterations(HYPRE_StructSolver solver,
HYPRE_Int *num_iterations);
HYPRE_Int HYPRE_StructSparseMSGGetFinalRelativeResidualNorm(HYPRE_StructSolver solver,
double *norm);
/*--------------------------------------------------------------------------
*--------------------------------------------------------------------------*/
/* These includes shouldn't be here. (RDF) */
#include "interpreter.h"
#include "HYPRE_MatvecFunctions.h"
#include "_hypre_struct_mv.h"
/**
* @name Struct LOBPCG Eigensolver
*
* These routines should be used in conjunction with the generic interface in
* \Ref{LOBPCG Eigensolver}.
**/
/*@{*/
/**
* Load interface interpreter. Vector part loaded with hypre_StructKrylov
* functions and multivector part loaded with mv_TempMultiVector functions.
**/
HYPRE_Int
HYPRE_StructSetupInterpreter(mv_InterfaceInterpreter *i);
/**
* Load Matvec interpreter with hypre_StructKrylov functions.
**/
HYPRE_Int
HYPRE_StructSetupMatvec(HYPRE_MatvecFunctions *mv);
/* The next routines should not be here (lower-case prefix). (RDF) */
/*
* Set hypre_StructPVector to random values.
**/
HYPRE_Int
hypre_StructVectorSetRandomValues(hypre_StructVector *vector, HYPRE_Int seed);
/*
* Same as hypre_StructVectorSetRandomValues except uses void pointer.
**/
HYPRE_Int
hypre_StructSetRandomValues(void *v, HYPRE_Int seed);
/*@}*/
/*--------------------------------------------------------------------------
*--------------------------------------------------------------------------*/
/*@}*/
#ifdef __cplusplus
}
#endif
#endif
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