int HYPRE_ParCSRLGMRESSetAbsoluteTol (HYPRE_Solver solver, double a_tol)

(Optional) Set the absolute convergence tolerance (default: 0)

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(Optional) Set the absolute convergence tolerance (default: 0). If one desires the convergence test to check the absolute convergence tolerance only, then set the relative convergence tolerance to 0.0. (The convergence test is max(relativetolerance , absolutetolerance).)

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