#include "EffectiveArea.hh"
#include "histogram_conversion.hh"


void EffectiveArea::ensure_Haeff_sindecl()
{
  if ( Haeff_sindecl_init) return;
  Haeff_sindecl_init = true;

  print ("Computing Haeff_sindecl for flav/chan= ", flav, chan, Haeff_costheta.Integral() );

  if (det.latitude < 0.4 || det.latitude > 0.7 ) fatal ("wrong latitude", det.latitude, flav, chan  );

  Haeff_sindecl = convert_to_sindecl( det, Haeff_costheta );
}