TimeWindow.h

#ifndef _TIMEWINDOW_H_
#define _TIMEWINDOW_H_
namespace mspass::algorithms
{
class TimeWindow
{
public:
  double start;
  double  end;  
  TimeWindow(){start=0.0;end=1.0e99;};
  TimeWindow(const double ts,const double te){start=ts;end=te;};
  TimeWindow(const TimeWindow& parent)
  {
    start=parent.start;
    end=parent.end;
  }
  TimeWindow& operator=(const TimeWindow& parent)
  {
    if(&parent!=this)
    {
      start=parent.start;
      end=parent.end;
    }
    return *this;
  }
  TimeWindow shift(const double tshift) const
  {
    TimeWindow newwindow(*this);
    newwindow.start+=tshift;
    newwindow.end += tshift;
    return(newwindow);
  }
  double length()
  {
    return(end-start);
  };
};
 
/* This strange looking function is a C++ function object.
// It is used in the STL container called a set used for gaps below.  
// This function is used as the comparison function for ordering
// the elements of the set.  It makes TimeWindows indexed by
// intervals similar to thw way Datascope uses time:endtime
// Be aware, however, that for the same reason as datascope overlapping 
// time windows will cause ambiguity in indexing times by this
// method.
*/
class TimeWindowCmp
{
public:
  bool operator()(const TimeWindow ti1,const TimeWindow ti2) const
  {return(ti1.end<ti2.start);};
};
}  // end mspass::seismic namespace declaration
#endif