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diff --git a/nx-X11/extras/ogl-sample/main/gfx/lib/glu/libnurbs/internals/simplemath.h b/nx-X11/extras/ogl-sample/main/gfx/lib/glu/libnurbs/internals/simplemath.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.
+*/
+/* $XFree86$ */
+
+/*
+ * simplemath.h
+ *
+ * Header: //depot/main/gfx/lib/glu/libnurbs/internals/simplemath.h#4 $
+ */
+
+#ifndef __glusimplemath_h_
+#define __glusimplemath_h_
+
+/* simple inline routines */
+
+inline int 
+max( int x, int y ) { return ( x < y ) ? y : x; }
+
+inline REAL 
+min( REAL x, REAL y ) { return ( x > y ) ? y : x; }
+
+#if defined(__SCO__) || defined(__UNIXWARE__) || defined(__SUNPRO_CC)
+#define abs __gluabs
+#endif
+inline REAL 
+abs( REAL x ) { return ( x < 0.0 ) ? -x : x; }
+
+#endif /* __glusimplemath_h_ */