`fmpq_height, fmpq_height_bits`

Synopsis#include <flint/fmpq.h>

void fmpq_height(fmpz_t height, const fmpq_t x)source

flint_bitcnt_t fmpq_height_bits(const fmpq_t x)source

The height of x = p/q is \max(|p|, q). The first function sets height to it, the second returns its number of bits.

Guides#

Canonical form and the fmpq interface

Cite this page

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

@misc{flint-doc-fmpq-fmpq-height,
  author       = {{The FLINT team}},
  title        = {{fmpq\_height, fmpq\_height\_bits (fmpq.h)}},
  howpublished = {FLINT: Fast Library for Number Theory, documentation, version 3.7.0-dev},
  year         = {2026},
  url          = {https://flintlib.org/doc/fmpq/fmpq_height.html},
  note         = {Generated 2026-10-20}
}

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