Searched refs:logGamma (Results 1 – 7 of 7) sorted by relevance
196 ret = Gamma.logGamma(a) + Gamma.logGamma(b) - in logBeta()197 Gamma.logGamma(a + b); in logBeta()
95 public static double logGamma(double x) { in logGamma() method in Gamma192 ret = FastMath.exp(-x + (a * FastMath.log(x)) - logGamma(a)) * sum; in regularizedGammaP()267 ret = FastMath.exp(-x + (a * FastMath.log(x)) - logGamma(a)) * ret; in regularizedGammaQ()
121 z = Gamma.logGamma(alpha) + Gamma.logGamma(beta) - Gamma.logGamma(alpha + beta); in recomputeZ()
118 …return FastMath.exp(Gamma.logGamma(nPlus1Over2) - 0.5 * (FastMath.log(FastMath.PI) + FastMath.log(… in density()119 Gamma.logGamma(n/2) - nPlus1Over2 * FastMath.log(1 + x * x /n)); in density()
316 return sc * FastMath.exp(Gamma.logGamma(1 + (1 / sh))); in calculateNumericalMean()335 FastMath.exp(Gamma.logGamma(1 + (2 / sh))) - in calculateNumericalVariance()
114 ret = Gamma.logGamma(z + 1.0) - (z + 0.5) * FastMath.log(z) + in getStirlingError()
206 …th.pow(x / beta, alpha - 1) / beta * FastMath.exp(-x / beta) / FastMath.exp(Gamma.logGamma(alpha)); in density()