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diff --git a/nx-X11/extras/ogl-sample/main/gfx/lib/glu/libnurbs/internals/pwlarc.h b/nx-X11/extras/ogl-sample/main/gfx/lib/glu/libnurbs/internals/pwlarc.h
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+++ b/nx-X11/extras/ogl-sample/main/gfx/lib/glu/libnurbs/internals/pwlarc.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.
+*/
+
+/*
+ * pwlarc.h
+ *
+ * $Date: 2004/03/14 08:29:11 $ $Revision: 1.1.1.4 $
+ * $Header: /cvs/xorg/xc/extras/ogl-sample/main/gfx/lib/glu/libnurbs/internals/pwlarc.h,v 1.1.1.4 2004/03/14 08:29:11 eich Exp $
+ */
+
+#ifndef __glupwlarc_h_
+#define __glupwlarc_h_
+
+#include "myassert.h"
+#include "nurbsconsts.h"
+
+class TrimVertex;
+
+class PwlArc : public PooledObj { /* a piecewise-linear arc */
+public:
+    TrimVertex *	pts;		/* sample points */
+    int			npts;		/* number of sample points */
+    long		type;		/* curve type */
+    inline		PwlArc( void );
+    inline		PwlArc( int, TrimVertex * );
+    inline		PwlArc( int, TrimVertex *, long );
+};
+
+inline
+PwlArc::PwlArc( void )
+{
+    type = N_P2D;
+    pts = 0;
+    npts = -1;
+}
+
+inline
+PwlArc::PwlArc( int _npts, TrimVertex *_pts )
+{
+    pts = _pts;
+    npts = _npts;
+    type = N_P2D;
+}
+
+inline
+PwlArc::PwlArc( int _npts, TrimVertex *_pts, long _type )
+{
+    pts = _pts;
+    npts = _npts;
+    type = _type;
+}
+
+#endif /* __glupwlarc_h_ */