Positive(org.apache.commons.math.special.GammaTest) testLogGammaZero(org.apache.commons.math.special.GammaTest) testRegularizedGammaNegativePositive(org.apache.commons.math.special.GammaTest) testRegularizedGammaPositiveNan(org.apache.commons.math.special.GammaTest) testRegularizedGammaPositiveZero(org.apache.commons.math.special.GammaTest) testUnivariateImpl(org.apache.commons.math.stat.CertifiedDataTest) test