PropagationDirectionFromPath.h

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#ifndef _CR_PropagationDirectionFromPath
#define _CR_PropagationDirectionFromPath
 
#include "DataFormats/TrajectorySeed/interface/PropagationDirection.h"
class PropagationDirectionFromPath {
public:
  inline PropagationDirection operator()(const double& s) const { return s >= 0 ? alongMomentum : oppositeToMomentum; }
  inline PropagationDirection operator()(const double& s, const PropagationDirection propDir) const {
    if (propDir != anyDirection)
      return propDir;
    return (*this)(s);
  }
};
#endif