[Rivet-svn] r3133 - trunk/src/Core

[blackhole at projects.hepforge.org]

Author: hoeth
Date: Mon Jun  6 23:11:12 2011
New Revision: 3133

Log:
another negative cross-section fix

Modified:
   trunk/src/Core/Analysis.cc

Modified: trunk/src/Core/Analysis.cc
==============================================================================
--- trunk/src/Core/Analysis.cc	Mon Jun  6 23:06:50 2011	(r3132)
+++ trunk/src/Core/Analysis.cc	Mon Jun  6 23:11:12 2011	(r3133)
@@ -169,7 +169,7 @@
   }
 
   double Analysis::crossSection() const {
-    if (!_gotCrossSection || _crossSection < 0) {
+    if (!_gotCrossSection || std::isnan(_crossSection)) {
       string errMsg = "You did not set the cross section for the analysis " + name();
       throw Error(errMsg);
     }