Searched refs:Gamma_a_m1_x (Results 1 – 1 of 1) sorted by relevance
73 ArrayType Gamma_a_m1_x = Eigen::igammac(a_m1, x) * a_m1.lgamma().exp(); in array_special_functions() local84 VERIFY_IS_APPROX(Gamma_a_x, (a - 1) * Gamma_a_m1_x + x.pow(a-1) * (-x).exp()); in array_special_functions()