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ECPL cutoff parameter corrections #346

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ECPL cutoff parameter corrections #346

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8 changes: 4 additions & 4 deletions src/VSpectralFitter.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -165,12 +165,12 @@ bool VSpectralFitter::defineFitFunction()
else if( fSpectralFitFunction == 1 )
{
cout << "Fitfunction: power law with exponential cutoff" << endl;
sprintf( hname, "[0] * TMath::Power( TMath::Power( 10, x ) / %f, [1] ) * TMath::Exp( -1. * TMath::Power( 10, x ) / [2] )", fSpectralFitFluxNormalisationEnergy );
sprintf( hname, "[0] * TMath::Power( TMath::Power( 10, x ) / %f, [1] ) * TMath::Exp( -1. * TMath::Power( 10, x ) * [2] )", fSpectralFitFluxNormalisationEnergy );
fFitFunction = new TF1( fFitName.c_str(), hname, log10( fSpectralFitEnergy_min ), log10( fSpectralFitEnergy_max ) );
fFitFunction->SetParameter( 0, 1.e-7 );
fFitFunction->SetParameter( 1, -2. );
fFitFunction->SetParameter( 2, 10. );
sprintf( hname, "[0] * TMath::Power( x / %f, [1] ) * TMath::Exp( -1. * x / [2] )", fSpectralFitFluxNormalisationEnergy );
fFitFunction->SetParameter( 2, 0.1 );
sprintf( hname, "[0] * TMath::Power( x / %f, [1] ) * TMath::Exp( -1. * x * [2] )", fSpectralFitFluxNormalisationEnergy );
fFitFunction_lin = new TF1( iFitName_lin.c_str(), hname, fSpectralFitEnergy_min, fSpectralFitEnergy_max );
}
// broken power law fit
Expand Down Expand Up @@ -281,7 +281,7 @@ void VSpectralFitter::print()
cout << "Gamma = " << fixed << setprecision( 2 ) << fFitFunction->GetParameter( 1 );
cout << " +- " << fFitFunction->GetParError( 1 ) << endl;
cout << "Ecut = " << fixed << setprecision( 2 ) << fFitFunction->GetParameter( 2 );
cout << " +- " << fFitFunction->GetParError( 2 ) << " TeV" << endl;
cout << " +- " << fFitFunction->GetParError( 2 ) << " TeV^-1" << endl;
cout << "Chi2 " << setprecision( 2 ) << fFitFunction->GetChisquare();
cout << ", N = " << fFitFunction->GetNDF();
if( fFitFunction->GetNDF() > 0. )
Expand Down
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