/* Copyright (C) 2016 Fredrik Johansson 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_poly.h" slong arb_poly_valuation(const arb_poly_t poly) { slong i, len = poly->length; for (i = 0; i < len; i++) if (!arb_is_zero(poly->coeffs + i)) return i; return -1; }