[Rivet-svn] r3503 - trunk/src/Analyses

[blackhole at projects.hepforge.org]

Author: fsiegert
Date: Mon Dec  5 16:43:59 2011
New Revision: 3503

Log:
Try to fix build failure in Rivet-OSX32-HepMC-2.5

Modified:
   trunk/src/Analyses/OPAL_2004_S6132243.cc

Modified: trunk/src/Analyses/OPAL_2004_S6132243.cc
==============================================================================
--- trunk/src/Analyses/OPAL_2004_S6132243.cc	Mon Dec  5 15:36:00 2011	(r3502)
+++ trunk/src/Analyses/OPAL_2004_S6132243.cc	Mon Dec  5 16:43:59 2011	(r3503)
@@ -10,6 +10,7 @@
 #include "Rivet/Projections/FastJets.hh"
 #include "Rivet/Projections/ParisiTensor.hh"
 #include "Rivet/Projections/Hemispheres.hh"
+#include <cmath>
 
 namespace Rivet {
 
@@ -164,7 +165,7 @@
       //   MSG_ERROR("NaN in HemiL! Event = " << numEvents());
       //   MSG_ERROR(hemi.M2low() << ", " << hemi.E2vis());
       // }
-      if (!isnan(hemi_mh) && !isnan(hemi_ml)) {
+      if (!std::isnan(hemi_mh) && !std::isnan(hemi_ml)) {
         const double hemi_bmax = hemi.Bmax();
         const double hemi_bmin = hemi.Bmin();
         const double hemi_bsum = hemi.Bsum();