[GLU32]

[reactos.git] / reactos / dll / win32 / glu32 / libnurbs / nurbtess / polyUtil.cc

diff --git a/reactos/dll/win32/glu32/libnurbs/nurbtess/polyUtil.cc b/reactos/dll/win32/glu32/libnurbs/nurbtess/polyUtil.cc
deleted file mode 100644 (file)
index 3bae172..0000000
--- a/reactos/dll/win32/glu32/libnurbs/nurbtess/polyUtil.cc
+++ /dev/null
@@ -1,92 +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.
-**
-** $Date$ $Revision: 1.1 $
-*/
-/*
-** $Header: /cygdrive/c/RCVS/CVS/ReactOS/reactos/lib/glu32/libnurbs/nurbtess/polyUtil.cc,v 1.1 2004/02/02 16:39:13 navaraf Exp $
-*/
-
-#include <stdlib.h>
-#include <stdio.h>
-
-#include "polyUtil.h"
-
-Real area(Real A[2], Real B[2], Real C[2])
-{
-  Real Bx, By, Cx, Cy;
-  Bx = B[0] - A[0];
-  By = B[1] - A[1];
-  Cx = C[0] - A[0];
-  Cy = C[1] - A[1];
-  return Bx*Cy - Cx*By;
-
-/*  return (B[0]-A[0])*(C[1]-A[1]) - (C[0]-A[0])*(B[1]-A[1]);*/
-}
-
-/*given a directed line A->B, and a point P, 
- *determine whether P is to the left of AB.
- *the line A->B (imagine it has beedn extended both 
- *end to the infinity) divides the plan into two 
- *half planes. When we walk from A to B, one
- *half is to the left and the other half is to the right.
- *return 1 if P is to the left.
- *if P is on AB, 0 is returned.
- */
-Int pointLeftLine(Real A[2], Real B[2],  Real P[2])
-{
-  if(area(A, B, P) >0) return 1;
-  else return 0;
-}
-
-/*given two directed line: A -> B -> C, and another point P.
- *determine whether P is to the left hand side of A->B->C.
- *Think of BA and BC extended as two rays. So that the plane is
- * divided into two parts. One part is to the left we  walk from A 
- *to B and to C, the other part is to the right.
- * In order for P to be the left, P must be either to the left 
- *of 
- */
-Int pointLeft2Lines(Real A[2], Real B[2], Real C[2], Real P[2])
-{
-  Int C_left_AB = (area(A, B, C)>0);
-  Int P_left_AB = (area(A, B, P)>0);
-  Int P_left_BC = (area(B, C, P)>0);
-
-  if(C_left_AB)
-    {
-      return (P_left_AB && P_left_BC);
-    }
-  else
-    return  (P_left_AB || P_left_BC);
-}