|
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
|
#ifndef CommonTools_Utils_ExpressionBinaryOperator_h
#define CommonTools_Utils_ExpressionBinaryOperator_h
/* \class reco::parser::ExpressionBinaryOperator
*
* Binary Operator expression
*
* \author original version: Chris Jones, Cornell,
* adapted by Luca Lista, INFN
*
* \version $Revision: 1.2 $
*
*/
#include "CommonTools/Utils/interface/parser/ExpressionBase.h"
#include "CommonTools/Utils/interface/parser/ExpressionStack.h"
namespace reco {
namespace parser {
template <typename Op>
struct ExpressionBinaryOperator : public ExpressionBase {
double value(const edm::ObjectWithDict& o) const override { return op_((*lhs_).value(o), (*rhs_).value(o)); }
ExpressionBinaryOperator(ExpressionStack& expStack) {
rhs_ = expStack.back();
expStack.pop_back();
lhs_ = expStack.back();
expStack.pop_back();
}
private:
Op op_;
ExpressionPtr lhs_, rhs_;
};
} // namespace parser
} // namespace reco
#endif
|