/* Copyright (C) 2016 Arb authors This file is part of Arb. Arb is free software: you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License (LGPL) as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. See . */ #include "arb_mat.h" slong arb_mat_count_is_zero(const arb_mat_t mat) { slong nz; slong i, j; nz = 0; for (i = 0; i < arb_mat_nrows(mat); i++) { for (j = 0; j < arb_mat_ncols(mat); j++) { if (arb_is_zero(arb_mat_entry(mat, i, j))) { nz++; } } } return nz; }