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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-13 11:57:42 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-13 11:57:42 +0000
commit61f3ab8f23f4c924d455757bf3e65f8487521b5a (patch)
tree885599a36a308f422af98616bc733a0494fe149a /include/2geom/ord.h
parentInitial commit. (diff)
downloadlib2geom-61f3ab8f23f4c924d455757bf3e65f8487521b5a.tar.xz
lib2geom-61f3ab8f23f4c924d455757bf3e65f8487521b5a.zip
Adding upstream version 1.3.upstream/1.3upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'include/2geom/ord.h')
-rw-r--r--include/2geom/ord.h80
1 files changed, 80 insertions, 0 deletions
diff --git a/include/2geom/ord.h b/include/2geom/ord.h
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+/** @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 :