/contrib/groff/src/preproc/pic/position.h
https://bitbucket.org/freebsd/freebsd-head/ · C++ Header · 47 lines · 22 code · 5 blank · 20 comment · 0 complexity · e971a52fa8c6bf847a546b18f96ae17e MD5 · raw file
- // -*- C++ -*-
- /* Copyright (C) 1989, 1990, 1991, 1992 Free Software Foundation, Inc.
- Written by James Clark (jjc@jclark.com)
- 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 2, 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 COPYING. If not, write to the Free Software
- Foundation, 51 Franklin St - Fifth Floor, Boston, MA 02110-1301, 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;