grr

git-svn-id: http://svn.eurecom.fr/openair4G/trunk@6218 818b1a75-f10b-46b9-bf7c-635c3b92a50f

openair1/PHY/TOOLS/time_meas.h

@@ -30,6 +30,7 @@
 #include <omp.h>
 #endif
 #include <unistd.h>
+#include <math.h>
 // global var to enable openair performance profiler 
 extern int opp_enabled;