FLINT3.7.0-dev
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fmpq_is_canonical, _fmpq_is_canonical

Synopsis#include <flint/fmpq.h>
int fmpq_is_canonical(const fmpq_t x)source
int _fmpq_is_canonical(const fmpz_t num, const fmpz_t den)source

Return nonzero if the fraction is in canonical form, that is, the denominator is positive and coprime to the numerator, and zero is represented as 0/1.

Guides#

Cite this page

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