`_mp_real_set_mpn_2exp`

Synopsis#include <flint/mp_real.h>

void _mp_real_set_mpn_2exp(mp_real_t x, nn_srcptr p, slong len, slong e)source

Set x exactly to (p, \mathit{len})\, 2^e for the unsigned integer (p, \mathit{len}), which may have zero top limbs. The bit part of e costs one limb shift.

Guides#

Fixed-point kernels

Cite this page

The FLINT team, “_mp_real_set_mpn_2exp (mp_real.h),” FLINT: Fast Library for Number Theory, documentation, version 3.7.0-dev, 2026. https://flintlib.org/doc/mp_real/_mp_real_set_mpn_2exp.html (generated 2026-10-20).

@misc{flint-doc-mp-real-mp-real-set-mpn-2exp,
  author       = {{The FLINT team}},
  title        = {{\_mp\_real\_set\_mpn\_2exp (mp\_real.h)}},
  howpublished = {FLINT: Fast Library for Number Theory, documentation, version 3.7.0-dev},
  year         = {2026},
  url          = {https://flintlib.org/doc/mp_real/_mp_real_set_mpn_2exp.html},
  note         = {Generated 2026-10-20}
}

Edit this page · PDF version · Built with fdoc from f12f9f517b