FLINT3.7.0-dev
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_gr_vec_addmul_scalar, _gr_vec_submul_scalar, _gr_vec_addmul_scalar_si, _gr_vec_submul_scalar_si, _gr_vec_addmul_scalar_fmpz

Synopsis#include <flint/gr_vec.h>
int _gr_vec_addmul_scalar(gr_ptr vec1, gr_srcptr vec2, slong len, gr_srcptr c, gr_ctx_t ctx)source
int _gr_vec_submul_scalar(gr_ptr vec1, gr_srcptr vec2, slong len, gr_srcptr c, gr_ctx_t ctx)source
int _gr_vec_addmul_scalar_si(gr_ptr vec1, gr_srcptr vec2, slong len, slong c, gr_ctx_t ctx)source
int _gr_vec_submul_scalar_si(gr_ptr vec1, gr_srcptr vec2, slong len, slong c, gr_ctx_t ctx)source
int _gr_vec_addmul_scalar_fmpz(gr_ptr vec1, gr_srcptr vec2, slong len, const fmpz_t c, gr_ctx_t ctx)source

Set vec1[i] to vec1[i] \pm vec2[i] \cdot c (an axpy operation). These are the inner loops of classical polynomial division and Gaussian elimination, and rings with cheap elements override them.

Cite this page

The FLINT team, “_gr_vec_addmul_scalar, _gr_vec_submul_scalar, _gr_vec_addmul_scalar_si, _gr_vec_submul_scalar_si, _gr_vec_addmul_scalar_fmpz (gr_vec.h),” FLINT: Fast Library for Number Theory, documentation, version 3.7.0-dev, 2026. https://flintlib.org/doc/gr_vec/_gr_vec_addmul_scalar.html (generated 2026-10-20).