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git-svn-id: https://svn.dealii.org/trunk@31842 0785d39b-7218-0410-832d-ea1e28bc413d

diff --git a/tests/lac/gmres_reorthogonalize_04.cc b/tests/lac/gmres_reorthogonalize_04.cc
index 39525a07d076eaf9727163dad25ab4e7209b109e..4365485eec00ea9f5a67895477511850a9d86d32 100644 (file)
--- a/tests/lac/gmres_reorthogonalize_04.cc
+++ b/tests/lac/gmres_reorthogonalize_04.cc
@@ -66,6 +66,9 @@ void test ()
   for (unsigned int i=0; i<n; ++i)
     matrix.diag_element(i) = (i+1);
 
+  // compared to the 02 test, need to use a looser tolerance because linear
+  // summation does not allow for 1e2*eps (at least with the current detection
+  // of re-orthogonalization)
   SolverControl control(1000, 1e3*std::numeric_limits<number>::epsilon());
   typename SolverGMRES<Vector<number> >::AdditionalData data;
   data.max_n_tmp_vectors = 202;