SGI SI GLU library

1 files changed, 68 insertions, 0 deletions

diff --git a/src/glu/sgi/libnurbs/nurbtess/searchTree.h b/src/glu/sgi/libnurbs/nurbtess/searchTree.h
new file mode 100644
index 00000000000..42722485281
--- /dev/null
+++ b/src/glu/sgi/libnurbs/nurbtess/searchTree.h
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+/*
+** License Applicability. Except to the extent portions of this file are
+** made subject to an alternative license as permitted in the SGI Free
+** Software License B, Version 1.1 (the "License"), the contents of this
+** file are subject only to the provisions of the License. You may not use
+** this file except in compliance with the License. You may obtain a copy
+** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600
+** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at:
+** 
+** http://oss.sgi.com/projects/FreeB
+** 
+** Note that, as provided in the License, the Software is distributed on an
+** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS
+** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND
+** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A
+** PARTICULAR PURPOSE, AND NON-INFRINGEMENT.
+** 
+** Original Code. The Original Code is: OpenGL Sample Implementation,
+** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics,
+** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc.
+** Copyright in any portions created by third parties is as indicated
+** elsewhere herein. All Rights Reserved.
+** 
+** Additional Notice Provisions: The application programming interfaces
+** established by SGI in conjunction with the Original Code are The
+** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released
+** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version
+** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X
+** Window System(R) (Version 1.3), released October 19, 1998. This software
+** was created using the OpenGL(R) version 1.2.1 Sample Implementation
+** published by SGI, but has not been independently verified as being
+** compliant with the OpenGL(R) version 1.2.1 Specification.
+**
+** $Date: 2001/03/17 00:25:41 $ $Revision: 1.1 $
+*/
+/*
+** $Header: /home/krh/git/sync/mesa-cvs-repo/Mesa/src/glu/sgi/libnurbs/nurbtess/searchTree.h,v 1.1 2001/03/17 00:25:41 brianp Exp $
+*/
+
+#ifndef _SEARCHTREE_H
+#define _SEARCHTREE_H
+
+typedef struct treeNode{
+  void *key;
+  struct treeNode* parent;
+  struct treeNode* left; /*children*/
+  struct treeNode* right; 
+} treeNode;
+
+treeNode* TreeNodeMake(void *key);
+void TreeNodeDeleteSingleNode(treeNode* node);
+void TreeNodeDeleteWholeTree(treeNode* node);
+void TreeNodePrint(treeNode* node, 
+		   void (*keyPrint) (void*));
+int TreeNodeDepth(treeNode* root);
+treeNode* TreeNodeMinimum(treeNode* node);
+treeNode* TreeNodeMaximum(treeNode* node);
+treeNode* TreeNodePredecessor(treeNode* node);
+treeNode* TreeNodeSuccessor(treeNode* node);
+treeNode* TreeNodeFind(treeNode* tree, void* key,
+		       int (*compkey) (void*, void*));
+
+treeNode* TreeNodeInsert(treeNode* root, treeNode* newnode,
+		    int (*comp) (void *, void *));
+treeNode* TreeNodeDeleteSingleNode(treeNode* tree, treeNode* node);
+
+
+#endif