FLINT3.7.0-dev

arb_hypgeom_expint

Synopsis#include <flint/arb_hypgeom.h>
void arb_hypgeom_expint(arb_t res, const arb_t s, const arb_t z, slong prec)source

Sets res to the generalized exponential integral E_s(z) = z^{s-1} \Gamma(1-s, z). Wrapper of acb_hypgeom_expint.

Cite this page

The FLINT team, “arb_hypgeom_expint (arb_hypgeom.h),” FLINT: Fast Library for Number Theory, documentation, version 3.7.0-dev, 2026. https://flintlib.org/doc/arb_hypgeom/arb_hypgeom_expint.html (generated 2026-10-20).