FLINT3.7.0-dev

Undefined, Unknown

Synopsis#include <flint/fexpr_builtin.h>
Undefined
Unknown

Undefined (\mathfrak{u}) is the special value \mathfrak{u} for undefined results, for example of 0/0. Unknown (\operatorname{Unknown}) is the meta-value used by ca.h for values that could not be computed.

Cite this page

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