Lines Matching refs:lgamma
397 lgamma: natural log of the absolute value of the Gamma function.
410 return x; /* lgamma(nan) = nan */
412 return Py_HUGE_VAL; /* lgamma(+-inf) = +inf */
418 errno = EDOM; /* lgamma(n) = inf, divide-by-zero for */
422 return 0.0; /* lgamma(1) = lgamma(2) = 0.0 */
427 /* tiny arguments: lgamma(x) ~ -log(fabs(x)) for small x */
1311 FUNC1A(lgamma, m_lgamma,
1312 "lgamma($module, x, /)\n--\n\n"
3885 {"lgamma", math_lgamma, METH_O, math_lgamma_doc},