FLINT3.7.0-dev

fmpz_flog, fmpz_flog_ui, fmpz_clog, fmpz_clog_ui

Synopsis#include <flint/fmpz.h>
slong fmpz_flog(const fmpz_t x, const fmpz_t b)source
slong fmpz_flog_ui(const fmpz_t x, ulong b)source
slong fmpz_clog(const fmpz_t x, const fmpz_t b)source
slong fmpz_clog_ui(const fmpz_t x, ulong b)source

Return \lfloor \log_b x \rfloor and \lceil \log_b x \rceil, computed exactly. Require x \ge 1 and b \ge 2.

Cite this page

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