Searched refs:GetLogGamma (Results 1 – 3 of 3) sorted by relevance
126 double fLnFactor = fA * log(fX) - fX - GetLogGamma(fA); in GetLowRegIGamma()139 double fLnFactor= fA*log(fX)-fX-GetLogGamma(fA); in GetUpRegIGamma()168 return exp( (fAlpha-1.0) * log(fXr) - fXr - log(fLambda) - GetLogGamma(fAlpha)); in GetGammaDistPDF()179 return pow( fXr, fAlpha-1.0) * exp(-fXr) / fLambda / exp( GetLogGamma(fAlpha)); in GetGammaDistPDF()
655 double ScInterpreter::GetLogGamma(double fZ) in GetLogGamma() function in ScInterpreter752 fValue = exp((0.5*fDF - 1) * log(fX*0.5) - 0.5 * fX - log(2.0) - GetLogGamma(0.5*fDF)); in GetChiSqDistPDF()829 PushDouble( GetLogGamma(x)); in ScLogGamma()1666 PushDouble( exp(x*log(lambda)-lambda-GetLogGamma(x+1.0))); in ScPoissonDist()
750 double GetLogGamma(double x);
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