PCG Solver
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HYPRE_PCGSetup
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Prepare to solve the system
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int HYPRE_PCGSolve(HYPRE_Solver solver, HYPRE_Matrix A, HYPRE_Vector b, HYPRE_Vector x)
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Solve the system
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int HYPRE_PCGSetTol(HYPRE_Solver solver, double tol)
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(Optional) Set the relative convergence tolerance
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HYPRE_PCGSetAbsoluteTol
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(Optional) Set the absolute convergence tolerance (default is
0)
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int HYPRE_PCGSetMaxIter(HYPRE_Solver solver, int max_iter)
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(Optional) Set maximum number of iterations
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int HYPRE_PCGSetTwoNorm(HYPRE_Solver solver, int two_norm)
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(Optional) Use the two-norm in stopping criteria
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int HYPRE_PCGSetRelChange(HYPRE_Solver 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_PCGSetPrecond(HYPRE_Solver solver, HYPRE_PtrToSolverFcn precond, HYPRE_PtrToSolverFcn precond_setup, HYPRE_Solver precond_solver)
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(Optional) Set the preconditioner to use
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int HYPRE_PCGSetLogging(HYPRE_Solver solver, int logging)
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(Optional) Set the amount of logging to do
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int HYPRE_PCGSetPrintLevel(HYPRE_Solver solver, int level)
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(Optional) Set the amount of printing to do to the screen
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int HYPRE_PCGGetNumIterations(HYPRE_Solver solver, int *num_iterations)
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Return the number of iterations taken
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int HYPRE_PCGGetFinalRelativeResidualNorm(HYPRE_Solver solver, double *norm)
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Return the norm of the final relative residual
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int HYPRE_PCGGetResidual(HYPRE_Solver solver, void **residual)
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Return the residual
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int HYPRE_PCGGetTol(HYPRE_Solver solver, double *tol)
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int HYPRE_PCGGetMaxIter(HYPRE_Solver solver, int *max_iter)
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int HYPRE_PCGGetTwoNorm(HYPRE_Solver solver, int *two_norm)
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int HYPRE_PCGGetRelChange(HYPRE_Solver solver, int *rel_change)
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int HYPRE_PCGGetPrecond(HYPRE_Solver solver, HYPRE_Solver *precond_data_ptr)
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int HYPRE_PCGGetLogging(HYPRE_Solver solver, int *level)
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int HYPRE_PCGGetPrintLevel(HYPRE_Solver solver, int *level)
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int HYPRE_PCGGetConverged(HYPRE_Solver solver, int *converged)
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alphabetic index hierarchy of classes
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