Struct PCG Solver
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int HYPRE_StructPCGCreate(MPI_Comm comm, HYPRE_StructSolver *solver)
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Create a solver object
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int HYPRE_StructPCGDestroy(HYPRE_StructSolver solver)
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Destroy a solver object
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int HYPRE_StructPCGSetup(HYPRE_StructSolver solver, HYPRE_StructMatrix A, HYPRE_StructVector b, HYPRE_StructVector x)
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int HYPRE_StructPCGSolve(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_StructPCGSetTol(HYPRE_StructSolver solver, double tol)
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(Optional) Set the convergence tolerance
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int HYPRE_StructPCGSetMaxIter(HYPRE_StructSolver solver, int max_iter)
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(Optional) Set maximum number of iterations
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int HYPRE_StructPCGSetTwoNorm(HYPRE_StructSolver solver, int two_norm)
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(Optional) Use the two-norm in stopping criteria
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int HYPRE_StructPCGSetRelChange(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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int HYPRE_StructPCGSetPrecond(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_StructPCGSetLogging(HYPRE_StructSolver solver, int logging)
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(Optional) Set the amount of logging to do
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int HYPRE_StructPCGGetNumIterations(HYPRE_StructSolver solver, int *num_iterations)
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Return the number of iterations taken
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int HYPRE_StructPCGGetFinalRelativeResidualNorm(HYPRE_StructSolver solver, double *norm)
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Return the norm of the final relative residual
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int HYPRE_StructDiagScaleSetup(HYPRE_StructSolver solver, HYPRE_StructMatrix A, HYPRE_StructVector y, HYPRE_StructVector x)
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Setup routine for diagonal preconditioning
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int HYPRE_StructDiagScale(HYPRE_StructSolver solver, HYPRE_StructMatrix HA, HYPRE_StructVector Hy, HYPRE_StructVector Hx)
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Solve routine for diagonal preconditioning
alphabetic index hierarchy of classes