Searched refs:gamma_a_m1_x (Results 1 – 1 of 1) sorted by relevance
75 ArrayType gamma_a_m1_x = Eigen::igamma(a_m1, x) * a_m1.lgamma().exp(); in array_special_functions() local87 VERIFY_IS_APPROX(gamma_a_x, (a - 1) * gamma_a_m1_x - x.pow(a-1) * (-x).exp()); in array_special_functions()