`arf_mag_set_ulp`

Synopsis#include <flint/arf.h>

void arf_mag_set_ulp(mag_t z, const arf_t y, slong prec)source

Sets z to $2^{e - \mathit{prec}}$ , where $e$ is the exponent of y ( $2^{e-1} \le |y| < 2^e$ ): one unit in the last place of a prec-bit number of the size of y. Raises an exception for a special y.

Cite this page

The FLINT team, “arf_mag_set_ulp (arf.h),” FLINT: Fast Library for Number Theory, documentation, version 3.7.0-dev, 2026. https://flintlib.org/doc/arf/arf_mag_set_ulp.html (generated 2026-11-02).

@misc{flint-doc-arf-arf-mag-set-ulp,
  author       = {{The FLINT team}},
  title        = {{arf\_mag\_set\_ulp (arf.h)}},
  howpublished = {FLINT: Fast Library for Number Theory, documentation, version 3.7.0-dev},
  year         = {2026},
  url          = {https://flintlib.org/doc/arf/arf_mag_set_ulp.html},
  note         = {Generated 2026-11-02}
}

Edit this page · PDF version · Built with fdoc from 0a4634bf95