Math/interface/logic.h

0001 #ifndef DataFormats_Math_logic_h
0002 #define DataFormats_Math_logic_h
0003
0004 namespace reco {
0005   // this function can be called with any boolean expressions as the parameters
0006   // this forces the evaluation of both expressions (faster if the expressions are simple)
0007   // and applying && to two bools avoids branching (jump instruction)
0008   // whereas applying && to the two original expressions may cause branching
0009   // this is an alternative to using the bitwise and operator (&), which never short-circuits
0010   inline bool branchless_and(bool a, bool b) { return a && b; }
0011 }  // namespace reco
0012
0013 #endif