FLINT3.7.0-dev

DFLOAT_RAD_SLACK, DFLOAT_RAD_UNDERFLOW_THRESHOLD, DFLOAT_RAD_UNDERFLOW_BUMP

Synopsis#include <flint/dfloat.h>
DFLOAT_RAD_SLACKsource
DFLOAT_RAD_UNDERFLOW_THRESHOLDsource
DFLOAT_RAD_UNDERFLOW_BUMPsource

The factor 1 + 2^{-45} by which an accumulated radius is multiplied to make it an upper bound (it covers up to 2^7 nearest roundings of normal numbers), the threshold 2^{-1000} below which radius products and quotients are checked for underflow, and the subnormal 2^{-1070} added to such a result.

Cite this page

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