DDConstant.h

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#ifndef DDConstant_h
#define DDConstant_h

#include <iostream>
#include <vector>
#include <memory>

#include "DetectorDescription/Core/interface/DDBase.h"
#include "DetectorDescription/Core/interface/DDName.h"

class DDConstant;
class ClhepEvaluator;

std::ostream& operator<<(std::ostream& o, const DDConstant& cons);

class DDConstant : public DDBase<DDName, std::unique_ptr<double> > {
public:
  DDConstant();

  DDConstant(const DDName& name);

  DDConstant(const DDName& name, std::unique_ptr<double> value);

  static void createConstantsFromEvaluator(ClhepEvaluator&);

  double value() const { return rep(); }

  operator double() const { return rep(); }
};

using DDNumeric = DDConstant;

#endif