/*============================================================================= This file is part of FLINT. FLINT is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. FLINT is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with FLINT; if not, write to the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA =============================================================================*/ /****************************************************************************** Copyright (C) 2010 Fredrik Johansson ******************************************************************************/ #include "fmpz_mat.h" slong fmpz_mat_max_bits(const fmpz_mat_t mat) { slong i; slong bits, row_bits, sign; sign = 1; bits = 0; if (mat->r == 0 || mat->c == 0) return 0; for (i = 0; i < mat->r; i++) { row_bits = _fmpz_vec_max_bits(mat->rows[i], mat->c); if (row_bits < 0) { row_bits = -row_bits; sign = -1; } bits = FLINT_MAX(bits, row_bits); } return bits * sign; }