/data/refman/pasoursint/CMSSW_5_3_1/src/RecoTracker/TkMSParametrization/interface/rangeIntersection.h

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#ifndef rangeIntersection_H
#define rangeIntersection_H

#include "TrackingTools/DetLayers/interface/rangesIntersect.h"
#include <algorithm>

template <class Range>
inline Range rangeIntersection( const Range& a, const Range& b) {

  return Range( std::max(a.first,b.first),
                std::min(a.second,b.second));
}

template <class Range, class Less>
inline Range rangeIntersection( const Range& a, const Range& b, 
                                const Less& less) {

  return Range( std::max( a.first, b.first, less),
                std::min( a.second, b.second, less));
}

#endif