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DDConstant.h
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1 #ifndef DDConstant_h
2 #define DDConstant_h
3 
4 #include <iostream>
5 #include <vector>
6 #include <memory>
7 
10 
11 class DDConstant;
12 class ClhepEvaluator;
13 
15 std::ostream& operator<<(std::ostream& o, const DDConstant& cons);
16 
18 class DDConstant : public DDBase<DDName, std::unique_ptr<double> > {
19 public:
21  DDConstant();
22 
24  DDConstant(const DDName& name);
25 
27  DDConstant(const DDName& name, std::unique_ptr<double> value);
28 
31 
33  double value() const { return rep(); }
34 
36  operator double() const { return rep(); }
37 };
38 
41 
42 #endif
DDBase.h
DDName
DDName is used to identify DDD entities uniquely.
Definition: DDName.h:15
ClhepEvaluator
Definition: ClhepEvaluator.h:8
DDConstant::DDConstant
DDConstant()
an uninitialized constant; one can assign an initialized constant to make it valid
Definition: DDConstant.cc:10
EcalTangentSkim_cfg.o
o
Definition: EcalTangentSkim_cfg.py:36
DDBase< DDName, std::unique_ptr< double > >::name
const DDName & name() const
Definition: DDBase.h:59
DDBase< DDName, std::unique_ptr< double > >::rep
const DDI::rep_traits< DDName, std::unique_ptr< double > >::reference rep() const
Definition: DDBase.h:65
value
Definition: value.py:1
DDConstant::value
double value() const
return the first stored value; does not check boundaries!
Definition: DDConstant.h:33
DDConstant
a named constant corresponding to the DDL-XML tag <Constant> and <ConstantsVector>
Definition: DDConstant.h:18
DDName.h
DDBase
Definition: DDBase.h:10
operator<<
std::ostream & operator<<(std::ostream &o, const DDConstant &cons)
output operator for printing ...
Definition: DDConstant.cc:16
DDConstant::createConstantsFromEvaluator
static void createConstantsFromEvaluator(ClhepEvaluator &)
creates all DDConstants from the variables of the ClhepEvaluator
Definition: DDConstant.cc:27