FLINT3.7.0-dev

gr_generic_erfcx

Synopsis#include <flint/gr_special.h>
int gr_generic_erfcx(gr_ptr res, gr_srcptr x, gr_ctx_t ctx)source

Computes e^{x^2} \operatorname{erfc}(x) directly from gr_exp and gr_erfc, which is not numerically stable for large x; failures are reported as GR_UNABLE.

Cite this page

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