summaryrefslogtreecommitdiffstats
path: root/contrib/groff/pic/position.h
blob: ab7d5469c0062c671ca73cbb35a461c2b3270726 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
// -*- 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, 59 Temple Place - Suite 330, Boston, MA 02111-1307, 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;

OpenPOWER on IntegriCloud