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00001 #ifndef PhysicsTools_Utilities_DecomposePower_h
00002 #define PhysicsTools_Utilities_DecomposePower_h
00003 #include "PhysicsTools/Utilities/interface/Power.h"
00004 #include "PhysicsTools/Utilities/interface/Numerical.h"
00005 
00006 namespace funct {
00007   template<typename A, typename B>
00008   struct DecomposePower {
00009     typedef PowerStruct<A, B> type;
00010     inline static const A& getBase(const type& _) { return _._1; }
00011     inline static const B& getExp(const type& _) { return _._2; }
00012   };
00013 
00014   template<typename A>
00015   struct DecomposePower<A, Numerical<1> > {
00016     typedef A type;
00017     inline static const A& getBase(const type& _) { return _; }
00018     inline static Numerical<1> getExp(const type& _) { return num<1>(); }
00019   };
00020 
00021 }
00022 
00023 #endif