From: Timo Heister Date: Fri, 8 Mar 2013 23:14:41 +0000 (+0000) Subject: add comment about numdiff in docu X-Git-Tag: v8.0.0~1053 X-Git-Url: https://gitweb.dealii.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=d02396c1674da3a7c8cf4c67ac19b26805474482;p=dealii.git add comment about numdiff in docu git-svn-id: https://svn.dealii.org/trunk@28828 0785d39b-7218-0410-832d-ea1e28bc413d --- diff --git a/deal.II/doc/development/testsuite.html b/deal.II/doc/development/testsuite.html index 8676f4f330..0b0df74bb8 100644 --- a/deal.II/doc/development/testsuite.html +++ b/deal.II/doc/development/testsuite.html @@ -161,6 +161,16 @@ CMake to install deal.II into previously.

+

+ Not all tests will succeed on your machine, because you might not have + configured with all the required packages (for example PETSc or Trilinos) + or, because your machine has slightly different floating point outputs. + To improve the number of tests that work correctly, install the tool + numdiff and export the environment variable + export DEALII_DIFF="numdiff -a 1e-6 -q" + before running the testsuite. +

+

Once you have done this, you may simply type make. This runs all the tests there are, but stops at