Struct Hybrid Solver
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int HYPRE_StructHybridCreate(MPI_Comm comm, HYPRE_StructSolver *solver)
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Create a solver object
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int HYPRE_StructHybridDestroy(HYPRE_StructSolver solver)
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Destroy a solver object
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HYPRE_StructHybridSetup
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Prepare to solve the system
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int HYPRE_StructHybridSolve(HYPRE_StructSolver solver, HYPRE_StructMatrix A, HYPRE_StructVector b, HYPRE_StructVector x)
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Solve the system
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int HYPRE_StructHybridSetTol(HYPRE_StructSolver solver, double tol)
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(Optional) Set the convergence tolerance
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HYPRE_StructHybridSetConvergenceTol
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(Optional) Set an accepted convergence tolerance for diagonal scaling (DS)
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HYPRE_StructHybridSetDSCGMaxIter
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(Optional) Set maximum number of iterations for diagonal scaling (DS)
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HYPRE_StructHybridSetPCGMaxIter
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(Optional) Set maximum number of iterations for general preconditioner (PRE)
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int HYPRE_StructHybridSetTwoNorm(HYPRE_StructSolver solver, int two_norm)
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(Optional) Use the two-norm in stopping criteria
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int HYPRE_StructHybridSetRelChange(HYPRE_StructSolver solver, int rel_change)
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(Optional) Additionally require that the relative difference in
successive iterates be small
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HYPRE_StructHybridSetSolverType
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(Optional) Set the type of Krylov solver to use
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int HYPRE_StructHybridSetKDim(HYPRE_StructSolver solver, int k_dim)
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(Optional) Set the maximum size of the Krylov space when using GMRES
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int HYPRE_StructHybridSetPrecond(HYPRE_StructSolver solver, HYPRE_PtrToStructSolverFcn precond, HYPRE_PtrToStructSolverFcn precond_setup, HYPRE_StructSolver precond_solver)
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(Optional) Set the preconditioner to use
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int HYPRE_StructHybridSetLogging(HYPRE_StructSolver solver, int logging)
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(Optional) Set the amount of logging to do
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int HYPRE_StructHybridSetPrintLevel(HYPRE_StructSolver solver, int print_level)
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(Optional) Set the amount of printing to do to the screen
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int HYPRE_StructHybridGetNumIterations(HYPRE_StructSolver solver, int *num_its)
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Return the number of iterations taken
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int HYPRE_StructHybridGetDSCGNumIterations(HYPRE_StructSolver solver, int *ds_num_its)
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Return the number of diagonal scaling iterations taken
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int HYPRE_StructHybridGetPCGNumIterations(HYPRE_StructSolver solver, int *pre_num_its)
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Return the number of general preconditioning iterations taken
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int HYPRE_StructHybridGetFinalRelativeResidualNorm(HYPRE_StructSolver solver, double *norm)
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Return the norm of the final relative residual
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