1 files changed, 0 insertions, 139 deletions
diff --git a/src/2geom/circle-circle.cpp b/src/2geom/circle-circle.cpp
deleted file mode 100644
index 134fa33a2..000000000
--- a/src/2geom/circle-circle.cpp
+++ /dev/null
@@ -1,139 +0,0 @@
-/* circle_circle_intersection() *
- * Determine the points where 2 circles in a common plane intersect.
- *
- * int circle_circle_intersection(
- *                                // center and radius of 1st circle
- *                                double x0, double y0, double r0,
- *                                // center and radius of 2nd circle
- *                                double x1, double y1, double r1,
- *                                // 1st intersection point
- *                                double *xi, double *yi,              
- *                                // 2nd intersection point
- *                                double *xi_prime, double *yi_prime)
- *
- * This is a public domain work. 3/26/2005 Tim Voght
- * Ported to lib2geom, 2006 Nathan Hurst
- *
- * Copyright 2006 Nathan Hurst <njh@mail.csse.monash.edu.au>
- *
- * This library is free software; you can redistribute it and/or
- * modify it either under the terms of the GNU Lesser General Public
- * License version 2.1 as published by the Free Software Foundation
- * (the "LGPL") or, at your option, under the terms of the Mozilla
- * Public License Version 1.1 (the "MPL"). If you do not alter this
- * notice, a recipient may use your version of this file under either
- * the MPL or the LGPL.
- *
- * You should have received a copy of the LGPL along with this library
- * in the file COPYING-LGPL-2.1; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- * You should have received a copy of the MPL along with this library
- * in the file COPYING-MPL-1.1
- *
- * The contents of this file are subject to the Mozilla Public License
- * Version 1.1 (the "License"); you may not use this file except in
- * compliance with the License. You may obtain a copy of the License at
- * http://www.mozilla.org/MPL/
- *
- * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY
- * OF ANY KIND, either express or implied. See the LGPL or the MPL for
- * the specific language governing rights and limitations.
- * 
- */
-#include <stdio.h>
-#include <math.h>
-#include <2geom/point.h>
-
-namespace Geom{
-
-int circle_circle_intersection(Point X0, double r0,
-                               Point X1, double r1,
-                               Point & p0, Point & p1)
-{
-  /* dx and dy are the vertical and horizontal distances between
-   * the circle centers.
-   */
-  Point D = X1 - X0;
-
-  /* Determine the straight-line distance between the centers. */
-  double d = L2(D);
-
-  /* Check for solvability. */
-  if (d > (r0 + r1))
-  {
-    /* no solution. circles do not intersect. */
-    return 0;
-  }
-  if (d <= fabs(r0 - r1))
-  {
-    /* no solution. one circle is contained in the other */
-    return 1;
-  }
-  
-  /* 'point 2' is the point where the line through the circle
-   * intersection points crosses the line between the circle
-   * centers.  
-   */
-
-  /* Determine the distance from point 0 to point 2. */
-  double a = ((r0*r0) - (r1*r1) + (d*d)) / (2.0 * d) ;
-
-  /* Determine the coordinates of point 2. */
-  Point p2 = X0 + D * (a/d);
-
-  /* Determine the distance from point 2 to either of the
-   * intersection points.
-   */
-  double h = sqrt((r0*r0) - (a*a));
-
-  /* Now determine the offsets of the intersection points from
-   * point 2.
-   */
-  Point r = (h/d)*rot90(D);
-
-  /* Determine the absolute intersection points. */
-  p0 = p2 + r;
-  p1 = p2 - r;
-
-  return 2;
-}
-
-};
-
-
-#ifdef TEST
-
-void run_test(double x0, double y0, double r0,
-              double x1, double y1, double r1)
-{
-  printf("x0=%F, y0=%F, r0=%F, x1=%F, y1=%F, r1=%F :\n",
-          x0, y0, r0, x1, y1, r1);
-  Geom::Point p0, p1;
-  Geom::circle_circle_intersection(Geom::Point(x0, y0), r0, 
-				   Geom::Point(x1, y1), r1,
-				   p0, p1);
-  printf("  x3=%F, y3=%F, x3_prime=%F, y3_prime=%F\n",
-            p0[0], p0[1], p1[0], p1[1]);
-}
-
-int main(void)
-{
-  /* Add more! */    
-  run_test(-1.0, -1.0, 1.5, 1.0, 1.0, 2.0);
-  run_test(1.0, -1.0, 1.5, -1.0, 1.0, 2.0);
-  run_test(-1.0, 1.0, 1.5, 1.0, -1.0, 2.0);
-  run_test(1.0, 1.0, 1.5, -1.0, -1.0, 2.0);
-  exit(0);
-}
-#endif
-
-/*
-  Local Variables:
-  mode:c++
-  c-file-style:"stroustrup"
-  c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
-  indent-tabs-mode:nil
-  fill-column:99
-  End:
-*/
-// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:fileencoding=utf-8:textwidth=99 :