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ExpressionUnaryOperator.h
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1 #ifndef CommonTools_Utils_ExpressionUnaryOperator_h
2 #define CommonTools_Utils_ExpressionUnaryOperator_h
3 /* \class reco::parser::ExpressionUnaryOperator
4  *
5  * Unary Operator expression
6  *
7  * \author original version: Chris Jones, Cornell,
8  * adapted by Luca Lista, INFN
9  *
10  * \version $Revision: 1.2 $
11  *
12  */
15 
16 namespace reco {
17  namespace parser {
18  template <typename Op>
20  double value(const edm::ObjectWithDict& o) const override { return op_((*exp_).value(o)); }
22  exp_ = expStack.back();
23  expStack.pop_back();
24  }
25 
26  private:
27  Op op_;
29  };
30  } // namespace parser
31 } // namespace reco
32 
33 #endif
std::shared_ptr< ExpressionBase > ExpressionPtr
std::vector< std::shared_ptr< ExpressionBase > > ExpressionStack
ExpressionUnaryOperator(ExpressionStack &expStack)
double value(const edm::ObjectWithDict &o) const override