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- // -*- C++ -*-
- /* Copyright (C) 1989, 1990 Free Software Foundation, Inc.
- Written by James Clark (jjc@jclark.uucp)
-
- This file is part of groff.
-
- groff 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 1, or (at your option) any later
- version.
-
- groff 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 groff; see the file LICENSE. If not, write to the Free Software
- Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
-
- struct place;
- struct position {
- double x;
- double y;
- position(double, double );
- position();
- position(const place &);
- position &operator+=(const position &);
- position &operator-=(const position &);
- position &operator*=(double);
- position &operator/=(double);
- };
-
- position operator-(const position &);
- position operator+(const position &, const position &);
- position operator-(const position &, const position &);
- position operator/(const position &, double);
- position operator*(const position &, double);
- // dot product
- double operator*(const position &, const position &);
- int operator==(const position &, const position &);
- int operator!=(const position &, const position &);
-
- double hypot(const position &a);
-
- typedef position distance;
-
-