Searched refs:Gamma_a_x (Results 1 – 1 of 1) sorted by relevance
72 ArrayType Gamma_a_x = Eigen::igammac(a, x) * a.lgamma().exp(); in array_special_functions() local81 VERIFY_IS_APPROX(Gamma_a_x + gamma_a_x, a.lgamma().exp()); in array_special_functions()84 VERIFY_IS_APPROX(Gamma_a_x, (a - 1) * Gamma_a_m1_x + x.pow(a-1) * (-x).exp()); in array_special_functions()