Struct PFMG Solver
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int HYPRE_StructPFMGCreate(MPI_Comm comm, HYPRE_StructSolver *solver)
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Create a solver object
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int HYPRE_StructPFMGDestroy(HYPRE_StructSolver solver)
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Destroy a solver object
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HYPRE_StructPFMGSetup
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Prepare to solve the system
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int HYPRE_StructPFMGSolve(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_StructPFMGSetTol(HYPRE_StructSolver solver, double tol)
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(Optional) Set the convergence tolerance
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int HYPRE_StructPFMGSetMaxIter(HYPRE_StructSolver solver, int max_iter)
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(Optional) Set maximum number of iterations
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int HYPRE_StructPFMGSetMaxLevels(HYPRE_StructSolver solver, int max_levels)
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(Optional) Set maximum number of multigrid grid levels
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int HYPRE_StructPFMGSetRelChange(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_StructPFMGSetZeroGuess
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(Optional) Use a zero initial guess
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HYPRE_StructPFMGSetNonZeroGuess
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(Optional) Use a nonzero initial guess
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HYPRE_StructPFMGSetRelaxType
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(Optional) Set relaxation type
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HYPRE_StructPFMGSetRAPType
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(Optional) Set type of coarse-grid operator to use
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int HYPRE_StructPFMGSetNumPreRelax(HYPRE_StructSolver solver, int num_pre_relax)
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(Optional) Set number of relaxation sweeps before coarse-grid correction
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int HYPRE_StructPFMGSetNumPostRelax(HYPRE_StructSolver solver, int num_post_relax)
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(Optional) Set number of relaxation sweeps after coarse-grid correction
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HYPRE_StructPFMGSetSkipRelax
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(Optional) Skip relaxation on certain grids for isotropic problems
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int HYPRE_StructPFMGSetLogging(HYPRE_StructSolver solver, int logging)
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(Optional) Set the amount of logging to do
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int HYPRE_StructPFMGSetPrintLevel(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_StructPFMGGetNumIterations(HYPRE_StructSolver solver, int *num_iterations)
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Return the number of iterations taken
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int HYPRE_StructPFMGGetFinalRelativeResidualNorm(HYPRE_StructSolver solver, double *norm)
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Return the norm of the final relative residual
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