1 /**
2 * \file
3 * \brief \todo brief description
4 *
5 * Authors:
6 * ? <?@?.?>
7 *
8 * Copyright ?-? authors
9 *
10 * This library is free software; you can redistribute it and/or
11 * modify it either under the terms of the GNU Lesser General Public
12 * License version 2.1 as published by the Free Software Foundation
13 * (the "LGPL") or, at your option, under the terms of the Mozilla
14 * Public License Version 1.1 (the "MPL"). If you do not alter this
15 * notice, a recipient may use your version of this file under either
16 * the MPL or the LGPL.
17 *
18 * You should have received a copy of the LGPL along with this library
19 * in the file COPYING-LGPL-2.1; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
21 * You should have received a copy of the MPL along with this library
22 * in the file COPYING-MPL-1.1
23 *
24 * The contents of this file are subject to the Mozilla Public License
25 * Version 1.1 (the "License"); you may not use this file except in
26 * compliance with the License. You may obtain a copy of the License at
27 * http://www.mozilla.org/MPL/
28 *
29 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY
30 * OF ANY KIND, either express or implied. See the LGPL or the MPL for
31 * the specific language governing rights and limitations.
32 *
33 */
35 #ifndef __2GEOM_ORD__
36 #define __2GEOM_ORD__
38 namespace {
40 enum Cmp {
41 LESS_THAN=-1,
42 GREATER_THAN=1,
43 EQUAL_TO=0
44 };
46 inline Cmp operator-(Cmp x) {
47 switch(x) {
48 case LESS_THAN:
49 return GREATER_THAN;
50 case GREATER_THAN:
51 return LESS_THAN;
52 case EQUAL_TO:
53 return EQUAL_TO;
54 }
55 }
57 template <typename T1, typename T2>
58 inline Cmp cmp(T1 const &a, T2 const &b) {
59 if ( a < b ) {
60 return LESS_THAN;
61 } else if ( b < a ) {
62 return GREATER_THAN;
63 } else {
64 return EQUAL_TO;
65 }
66 }
68 }
70 #endif
72 /*
73 Local Variables:
74 mode:c++
75 c-file-style:"stroustrup"
76 c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
77 indent-tabs-mode:nil
78 fill-column:99
79 End:
80 */
81 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=99 :