FLINT3.7.0-dev
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CA_EXT_IS_QQBAR, CA_EXT_QQBAR, CA_EXT_QQBAR_NF

Synopsis#include <flint/ca_ext.h>
CA_EXT_IS_QQBAR(x)source
CA_EXT_QQBAR(x)source
CA_EXT_QQBAR_NF(x)source

CA_EXT_IS_QQBAR tests whether x is an algebraic number in canonical form. For such an x, the other macros give its qqbar_t value and a pointer to the number field object nf_struct of \mathbb{Q}(x) (see nf.h).

Cite this page

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