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Diffstat (limited to '')
-rw-r--r-- | src/3rdparty/2geom/include/2geom/ord.h | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/src/3rdparty/2geom/include/2geom/ord.h b/src/3rdparty/2geom/include/2geom/ord.h new file mode 100644 index 0000000..e190a4a --- /dev/null +++ b/src/3rdparty/2geom/include/2geom/ord.h @@ -0,0 +1,80 @@ +/** @file + * @brief Comparator template + *//* + * Authors: + * ? <?@?.?> + * + * Copyright ?-? authors + * + * This library is free software; you can redistribute it and/or + * modify it either under the terms of the GNU Lesser General Public + * License version 2.1 as published by the Free Software Foundation + * (the "LGPL") or, at your option, under the terms of the Mozilla + * Public License Version 1.1 (the "MPL"). If you do not alter this + * notice, a recipient may use your version of this file under either + * the MPL or the LGPL. + * + * You should have received a copy of the LGPL along with this library + * in the file COPYING-LGPL-2.1; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * You should have received a copy of the MPL along with this library + * in the file COPYING-MPL-1.1 + * + * The contents of this file are subject to the Mozilla Public License + * Version 1.1 (the "License"); you may not use this file except in + * compliance with the License. You may obtain a copy of the License at + * http://www.mozilla.org/MPL/ + * + * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY + * OF ANY KIND, either express or implied. See the LGPL or the MPL for + * the specific language governing rights and limitations. + * + */ + +#ifndef LIB2GEOM_SEEN_ORD_H +#define LIB2GEOM_SEEN_ORD_H + +namespace { + +enum Cmp { + LESS_THAN=-1, + GREATER_THAN=1, + EQUAL_TO=0 +}; + +static inline Cmp operator-(Cmp x) { + switch(x) { + case LESS_THAN: + return GREATER_THAN; + case GREATER_THAN: + return LESS_THAN; + case EQUAL_TO: + return EQUAL_TO; + } +} + +template <typename T1, typename T2> +inline Cmp cmp(T1 const &a, T2 const &b) { + if ( a < b ) { + return LESS_THAN; + } else if ( b < a ) { + return GREATER_THAN; + } else { + return EQUAL_TO; + } +} + +} + +#endif + +/* + Local Variables: + mode:c++ + c-file-style:"stroustrup" + c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +)) + indent-tabs-mode:nil + fill-column:99 + End: +*/ +// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:fileencoding=utf-8:textwidth=99 : |