FLINT3.7.0-dev
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gr_generic_inv, gr_generic_is_invertible

Synopsis#include <flint/gr_generic.h>
int gr_generic_inv(gr_ptr res, gr_srcptr x, gr_ctx_t ctx)source
truth_t gr_generic_is_invertible(gr_srcptr x, gr_ctx_t ctx)source

Handle x = 1 and x = -1 (invertible, their own inverses) and x = 0 (not invertible, GR_DOMAIN), and return GR_UNABLE or T_UNKNOWN for every other element.

Cite this page

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