Remove libGLU

[mesa.git] / src / glu / sgi / libnurbs / internals / knotvector.cc

diff --git a/src/glu/sgi/libnurbs/internals/knotvector.cc b/src/glu/sgi/libnurbs/internals/knotvector.cc
deleted file mode 100644 (file)
index dcbf006..0000000
--- a/src/glu/sgi/libnurbs/internals/knotvector.cc
+++ /dev/null
@@ -1,142 +0,0 @@
-/*
-** 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.
-*/
-
-/*
- * knotvector.c++
- *
- */
-
-#include "glimports.h"
-#include "mystdio.h"
-#include "myassert.h"
-#include "knotvector.h"
-#include "defines.h"
-
-#ifdef __WATCOMC__
-#pragma warning 726 10
-#endif
-
-void Knotvector::init( long _knotcount, long _stride, long _order, INREAL *_knotlist )
-{
-    knotcount = _knotcount;
-    stride = _stride;
-    order = _order;
-    knotlist = new Knot[_knotcount];
-    assert( knotlist != 0 );
-
-    for( int i = 0; i != _knotcount; i++ )
-       knotlist[i] = (Knot) _knotlist[i];
-}
-
-Knotvector::Knotvector( void )
-{
-    knotcount = 0;
-    stride = 0;
-    order = 0;
-    knotlist = 0;
-}
-
-Knotvector::~Knotvector( void )
-{
-    if( knotlist ) delete[] knotlist;
-}
-
-int Knotvector::validate( void )
-{
-   /* kindex is used as an array index so subtract one first,
-     * this propagates throughout the code so study carefully */
-    long       kindex = knotcount-1;
-
-    if( order < 1 || order > MAXORDER ) {
-       // spline order un-supported
-       return( 1 );
-    }
-
-    if( knotcount < (2 * order) ) {
-       // too few knots
-       return( 2 );
-    }
-
-    if( identical( knotlist[kindex-(order-1)], knotlist[order-1]) ) {
-       // valid knot range is empty
-       return( 3 );
-    }
-
-    for( long i = 0; i < kindex; i++)
-       if( knotlist[i] > knotlist[i+1] ) {
-           // decreasing knot sequence
-           return( 4 );
-       }
-        
-    /* check for valid multiplicity */
-
-    /* kindex is currently the index of the last knot.
-     * In the next loop  it is decremented to ignore the last knot
-     * and the loop stops when kindex  is 2 so as to ignore the first
-     * knot as well.  These knots are not used in computing
-     * knot multiplicities.
-     */
-
-    long multi = 1;
-    for( ; kindex >= 1; kindex-- ) {
-       if( knotlist[kindex] - knotlist[kindex-1] < TOLERANCE ) {
-           multi++;
-           continue;
-       }
-       if ( multi > order ) {
-           // knot multiplicity greater than order of spline
-           return( 5 );
-       }
-       multi = 1;
-    }
-
-    if ( multi > order ) {
-       // knot multiplicity greater than order of spline
-       return( 5 );
-    }
-
-    return 0;
-}
-
-void Knotvector::show( const char *msg )
-{
-#ifndef NDEBUG
-    _glu_dprintf( "%s\n", msg );
-    _glu_dprintf( "order = %ld, count = %ld\n", order, knotcount );
-
-    for( int i=0; i<knotcount; i++ )
-       _glu_dprintf( "knot[%d] = %g\n", i, knotlist[i] );
-#endif
-}
-