FLINT3.7.0-dev

acb_mat_is_triu, acb_mat_is_tril, acb_mat_is_diag

Synopsis#include <flint/acb_mat.h>
int acb_mat_is_triu(const acb_mat_t mat)source
int acb_mat_is_tril(const acb_mat_t mat)source
int acb_mat_is_diag(const acb_mat_t mat)source

Return whether all entries below, above, respectively off the main diagonal of mat are exactly zero. The matrix need not be square.

Cite this page

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