FLINT3.7.0-dev

gr_harmonic, gr_harmonic_ui

Synopsis#include <flint/gr_special.h>
int gr_harmonic(gr_ptr res, gr_srcptr x, gr_ctx_t ctx)source
int gr_harmonic_ui(gr_ptr res, ulong x, gr_ctx_t ctx)source

Set res to the harmonic number H_x = \sum_{k=1}^{x} 1/k, or \psi(x+1) + \gamma for non-integer x.

Cite this page

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