FLINT3.7.0-dev
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gr_sin, gr_cos, gr_sin_cos, gr_tan, gr_cot, gr_sec, gr_csc

Synopsis#include <flint/gr_special.h>
int gr_sin(gr_ptr res, gr_srcptr x, gr_ctx_t ctx)source
int gr_cos(gr_ptr res, gr_srcptr x, gr_ctx_t ctx)source
int gr_sin_cos(gr_ptr res1, gr_ptr res2, gr_srcptr x, gr_ctx_t ctx)source
int gr_tan(gr_ptr res, gr_srcptr x, gr_ctx_t ctx)source
int gr_cot(gr_ptr res, gr_srcptr x, gr_ctx_t ctx)source
int gr_sec(gr_ptr res, gr_srcptr x, gr_ctx_t ctx)source
int gr_csc(gr_ptr res, gr_srcptr x, gr_ctx_t ctx)source

Set res to \sin x, \cos x, both at once (gr_sin_cos sets res1 to the sine and res2 to the cosine), \tan x, \cot x, \sec x = 1/\cos x or \csc x = 1/\sin x. Poles give GR_DOMAIN.

Cite this page

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