/data/refman/pasoursint/CMSSW_5_3_10/src/CalibCalorimetry/HcalAlgos/src/HcalTimeSlew.cc

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#include "CalibCalorimetry/HcalAlgos/interface/HcalTimeSlew.h"
#include <math.h>

static const double tzero[3]= {23.960177, 13.307784, 9.109694};
static const double slope[3] = {-3.178648,  -1.556668, -1.075824 };
static const double tmax[3] = {16.00, 10.00, 6.25 };

double HcalTimeSlew::delay(double fC, BiasSetting bias) {
  double rawDelay=tzero[bias]+slope[bias]*log(fC);
  return (rawDelay<0)?(0):((rawDelay>tmax[bias])?(tmax[bias]):(rawDelay));                         
}