From 8d078f2f2ff0d58403c210536a2bb4fcbdc07930 Mon Sep 17 00:00:00 2001
From: Denis Davydov <davydden@gmail.com>
Date: Sun, 13 Aug 2017 18:57:41 +0200
Subject: [PATCH] fix parpack unit test

---
 tests/arpack/step-36_parpack_mf_02.cc | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/tests/arpack/step-36_parpack_mf_02.cc b/tests/arpack/step-36_parpack_mf_02.cc
index 4b17658e30..232fff1a91 100644
--- a/tests/arpack/step-36_parpack_mf_02.cc
+++ b/tests/arpack/step-36_parpack_mf_02.cc
@@ -126,7 +126,7 @@ void test ()
                        solver_c,
                        preconditioner);
 
-    const unsigned int num_arnoldi_vectors = 2*eigenvalues.size() + 10;
+    const unsigned int num_arnoldi_vectors = 2*eigenvalues.size() + 40;
     PArpackSolver<LinearAlgebra::distributed::Vector<double> >::AdditionalData
     additional_data(num_arnoldi_vectors,
                     PArpackSolver<LinearAlgebra::distributed::Vector<double> >::largest_magnitude,
@@ -134,7 +134,7 @@ void test ()
                     2);
 
     SolverControl solver_control(
-      dof_handler.n_dofs(), 1e-9, /*log_history*/ false, /*log_results*/ false);
+      dof_handler.n_dofs(), 1e-10, /*log_history*/ false, /*log_results*/ false);
 
     PArpackSolver<LinearAlgebra::distributed::Vector<double> > eigensolver(
       solver_control, mpi_communicator, additional_data);
-- 
2.39.5