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ExpressionNumberSetter.h

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#ifndef Utilities_ExpressionNumberSetter_h
#define Utilities_ExpressionNumberSetter_h
/* \class reco::parser::ExpressionNumber
 *
 * Numerical expression setter
 *
 * \author original version: Chris Jones, Cornell, 
 *         adapted to Reflex by Luca Lista, INFN
 *
 * \version $Revision: 1.2 $
 *
 */
#include "PhysicsTools/Utilities/src/ExpressionNumber.h"
#include "PhysicsTools/Utilities/src/ExpressionStack.h"

namespace reco {
  namespace parser {
    struct ExpressionNumberSetter {
      ExpressionNumberSetter(ExpressionStack & stack) : stack_(stack) { }
      void operator()(double n) const {
        stack_.push_back(boost::shared_ptr<ExpressionBase>(new ExpressionNumber(n)));
      }
    private:
      ExpressionStack & stack_;
    };
  }
}

#endif

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