From f4092abdf94af6a99aff944d6264bc1284e8bdd4 Mon Sep 17 00:00:00 2001
From: Reinhard Tartler <siretart@tauware.de>
Date: Mon, 10 Oct 2011 17:43:39 +0200
Subject: Imported nx-X11-3.1.0-1.tar.gz

Summary: Imported nx-X11-3.1.0-1.tar.gz
Keywords:

Imported nx-X11-3.1.0-1.tar.gz
into Git repository
---
 .../main/gfx/lib/glu/libnurbs/internals/flist.cc   | 120 +++++++++++++++++++++
 1 file changed, 120 insertions(+)
 create mode 100644 nx-X11/extras/ogl-sample/main/gfx/lib/glu/libnurbs/internals/flist.cc

(limited to 'nx-X11/extras/ogl-sample/main/gfx/lib/glu/libnurbs/internals/flist.cc')

diff --git a/nx-X11/extras/ogl-sample/main/gfx/lib/glu/libnurbs/internals/flist.cc b/nx-X11/extras/ogl-sample/main/gfx/lib/glu/libnurbs/internals/flist.cc
new file mode 100644
index 000000000..a078d25e3
--- /dev/null
+++ b/nx-X11/extras/ogl-sample/main/gfx/lib/glu/libnurbs/internals/flist.cc
@@ -0,0 +1,120 @@
+/*
+** 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.
+*/
+
+/*
+ * flist.c++
+ *
+ * $Date: 2004/03/14 08:29:10 $ $Revision: 1.1.1.4 $
+ * $Header: /cvs/xorg/xc/extras/ogl-sample/main/gfx/lib/glu/libnurbs/internals/flist.cc,v 1.1.1.4 2004/03/14 08:29:10 eich Exp $
+ */
+
+#include "glimports.h"
+#include "myassert.h"
+#include "mystdio.h"
+#include "flist.h"
+
+/*----------------------------------------------------------------------------
+ * Flist::Flist - initialize a REAL number array
+ *----------------------------------------------------------------------------
+ */
+Flist::Flist( void )
+{
+    npts = 0;
+    pts = 0;
+    start = end = 0;
+}
+
+/*----------------------------------------------------------------------------
+ * Flist::~Flist - free a REAL number array
+ *----------------------------------------------------------------------------
+ */
+Flist::~Flist( void )
+{
+    if( npts ) delete[] pts;
+}
+
+void
+Flist::add( REAL x )
+{
+    pts[end++] = x;
+    assert( end <= npts );
+}
+
+/*----------------------------------------------------------------------------
+ * Flist::filter - remove duplicate numbers from array
+ *----------------------------------------------------------------------------
+ */
+void Flist::filter( void )
+{
+    sorter.qsort( pts, end );
+    start = 0;
+
+    int j = 0;
+    for( int i = 1; i < end; i++ ) { 
+	if( pts[i] == pts[i-j-1] )
+	    j++;
+	pts[i-j] = pts[i];
+    }
+    end -= j;
+}
+
+/*----------------------------------------------------------------------------
+ * Flist::grow - ensure that array is large enough
+ *----------------------------------------------------------------------------
+ */
+void Flist::grow( int maxpts )
+{
+    if( npts < maxpts ) {
+	if( npts ) delete[] pts;
+	npts = 2 * maxpts; 
+	pts = new REAL[npts];
+	assert( pts != 0 );
+    }
+    start = end = 0;
+}
+
+/*----------------------------------------------------------------------------
+ * Flist::taper - ignore head and tail of array
+ *----------------------------------------------------------------------------
+ */
+void Flist::taper( REAL from, REAL to )
+{
+    while( pts[start] != from )
+	start++;
+
+    while( pts[end-1] != to )
+	end--;
+}
+
+
-- 
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