text: /*                       B S P H E R E . C
   * BRL-CAD
   *
   * Copyright (c) 2004-2014 United States Government as represented by
   * the U.S. Army Research Laboratory.
   *
   * This program is free software; you can redistribute it and/or
   * modify it under the terms of the GNU Lesser General Public License
   * version 2.1 as published by the Free Software Foundation.
   *
   * This program is distributed in the hope that it will be useful, but
   * WITHOUT ANY WARRANTY; without even the implied warranty of
   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   * Lesser General Public License for more details.
   *
   * You should have received a copy of the GNU Lesser General Public
   * License along with this file; see the file named COPYING for more
   * information.
   */
  /** @file nirt/bsphere.c
   *
   * compute a bounding sphere
   *
   */
  
  #include "common.h"
  
  #include <stdio.h>
  #include <math.h>
  
  #include "vmath.h"
  #include "raytrace.h"
  
  #include "./nirt.h"
  #include "./usrfmt.h"
  
  
  fastf_t	bsphere_diameter = (fastf_t)-1.0;
  
  void
  set_diameter(struct rt_i *rtip)
  {
      vect_t	diag;
  
      VSUB2(diag, rtip->mdl_max, rtip->mdl_min);
      bsphere_diameter = MAGNITUDE(diag);
  }
  
  /*
   * Local Variables:
   * mode: C
   * tab-width: 8
   * indent-tabs-mode: t
   * c-file-style: "stroustrup"
   * End:
   * ex: shiftwidth=4 tabstop=8
   */
  