FLINT3.7.0-dev

D_BITS, D_EPS

Synopsis#include <flint/double_extras.h>
D_BITSsource
D_EPSsource

The number of bits of a double mantissa, 53, and the distance 2^{-52} from 1 to the next larger double (DBL_EPSILON). The unit roundoff of round-to-nearest arithmetic is u = 2^{-53}, half of D_EPS.

Cite this page

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