From b1b416c5cb17ddc593a980cbe62dd0ea948df331 Mon Sep 17 00:00:00 2001 From: Wolfgang Bangerth Date: Sat, 16 Mar 2013 12:28:41 +0000 Subject: [PATCH] Update. Rename environment variable to DEAL_II_DIFF. git-svn-id: https://svn.dealii.org/trunk@28920 0785d39b-7218-0410-832d-ea1e28bc413d --- deal.II/doc/development/testsuite.html | 15 +++++++++------ 1 file changed, 9 insertions(+), 6 deletions(-) diff --git a/deal.II/doc/development/testsuite.html b/deal.II/doc/development/testsuite.html index ff979a5862..a427b87424 100644 --- a/deal.II/doc/development/testsuite.html +++ b/deal.II/doc/development/testsuite.html @@ -162,12 +162,15 @@

- 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" + Not all tests succeed on every machine even if all computations are + correct, because you might not have configured with all the required + packages (for example PETSc or Trilinos), or because your machine + generates slightly different floating point outputs. To increase the + number of tests that work correctly, install the + numdiff toold that compares + stored and newly created output files based on floating point + tolerances. To use it, simply export the environment variable + export DEAL_II_DIFF="numdiff -a 1e-6 -q" before running the testsuite.

-- 2.39.5