#include "gamma.h"

const double Gamma::LANCZOS[] = {
    0.99999999999999709182,   57.156235665862923517,     -59.597960355475491248,    14.136097974741747174,     -0.49191381609762019978,
    .33994649984811888699e-4, .46523628927048575665e-4,  -.98374475304879564677e-4, .15808870322491248884e-3,  -.21026444172410488319e-3,
    .21743961811521264320e-3, -.16431810653676389022e-3, .84418223983852743293e-4,  -.26190838401581408670e-4, .36899182659531622704e-5,
};

const int Gamma::LANCZOS_LEN = sizeof(LANCZOS) / sizeof(LANCZOS[0]);

const double Gamma::HALF_LOG_2_PI = 0.5 * std::log(TWO_PI);