FLINT3.7.0-dev
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_arb_hypgeom_gamma_upper_singular_si_choose_N

Synopsis#include <flint/arb_hypgeom.h>
slong _arb_hypgeom_gamma_upper_singular_si_choose_N(mag_t err, slong n, const arb_t z, const mag_t abs_tol)source

Returns a number of terms N of the series at zero of \Gamma(-n,z), for an integer n \ge 0, that gives an absolute error at most abs_tol, and sets err to a bound for the truncation error.

Cite this page

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