RootCore Packages: /cvmfs/atlas.cern.ch/repo/sw/ASG/AnalysisBase/2.4.31/AthContainers/AthContainers/tools/likely.h Source File

00001 // This file's extension implies that it's C, but it's really -*- C++ -*-.
00002 // $Id$
00013 #ifndef ATHCONTAINERS_LIKELY_H
00014 #define ATHCONTAINERS_LIKELY_H
00015 
00016 
00017 #if __GNUC__ >= 4 || defined(__clang__)
00018 # define ATHCONTAINERS_LIKELY(x)       __builtin_expect(!!(x), 1)
00019 # define ATHCONTAINERS_UNLIKELY(x)     __builtin_expect(!!(x), 0)
00020 #else
00021 # define ATHCONTAINERS_LIKELY(x)   (x)
00022 # define ATHCONTAINERS_UNLIKELY(x) (x)
00023 #endif
00024 
00025 
00026 #endif // not ATHCONTAINERS_LIKELY_H