2 /* Copyright (C) 1989, 1990, 1991, 1992, 2009
3 Free Software Foundation, Inc.
4 Written by James Clark (jjc@jclark.com)
6 This file is part of groff.
8 groff is free software; you can redistribute it and/or modify it under
9 the terms of the GNU General Public License as published by the Free
10 Software Foundation, either version 3 of the License, or
11 (at your option) any later version.
13 groff is distributed in the hope that it will be useful, but WITHOUT ANY
14 WARRANTY; without even the implied warranty of MERCHANTABILITY or
15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
18 You should have received a copy of the GNU General Public License
19 along with this program. If not, see <http://www.gnu.org/licenses/>. */
25 position(double, double );
27 position(const place &);
28 position &operator+=(const position &);
29 position &operator-=(const position &);
30 position &operator*=(double);
31 position &operator/=(double);
34 position operator-(const position &);
35 position operator+(const position &, const position &);
36 position operator-(const position &, const position &);
37 position operator/(const position &, double);
38 position operator*(const position &, double);
40 double operator*(const position &, const position &);
41 int operator==(const position &, const position &);
42 int operator!=(const position &, const position &);
44 double hypot(const position &a);
46 typedef position distance;