From: Ralf Hartmann <Ralf.Hartmann@dlr.de>
Date: Mon, 24 May 2004 14:39:56 +0000 (+0000)
Subject: Proper comparison of doubles.
X-Git-Tag: v8.0.0~15141
X-Git-Url: https://gitweb.dealii.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=d17db333a4882c86c2e043a723b3024dfdbc02f0;p=dealii.git

Proper comparison of doubles.


git-svn-id: https://svn.dealii.org/trunk@9301 0785d39b-7218-0410-832d-ea1e28bc413d
---

diff --git a/tests/bits/petsc_18.cc b/tests/bits/petsc_18.cc
index 0175e192f6..f2340c68bf 100644
--- a/tests/bits/petsc_18.cc
+++ b/tests/bits/petsc_18.cc
@@ -32,8 +32,8 @@ void test (PETScWrappers::Vector &v)
     }
   v.compress ();
 
-                                   // then check the norm
-  Assert (v.l2_norm() == std::sqrt(norm), ExcInternalError());
+                                   // then check the norm  
+  Assert (fabs(v.l2_norm()-std::sqrt(norm))<1e-14, ExcInternalError());
 
   deallog << "OK" << std::endl;
 }