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-//=============================================================================
-//
-// Glagen : a planet sized landscape generator
-// Copyright (C) 2002 Julien Guertault, Hugues Hiegel, Meng-Tih Lam
-//
-// This program is free software; you can redistribute it and/or
-// modify it under the terms of the GNU General Public License
-// as published by the Free Software Foundation; either version 2
-// of the License, or (at your option) any later version.
-//
-// 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 General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program; if not, write to the Free Software
-// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
-//
-//=============================================================================
-//
-// Glagen : GPL LAndscape GENerator
-//
-// misc.cc for Glagen : made by Zavie (Julien Guertault)
-//
-// www.glagen.org
-//
-//=============================================================================
-
-#include <cmath>
-#include "data_glagen.hh"
-
-//
-// This function is supposed to compute very fast a good approximation
-// of the distance.
-// The quality of this function is very important for the frame-rate
-//
-float Approx_dist (float x, float y, float z)
-{
- // Well, I still have to fond an approximation ^_^
- // I suppose I will use Taylor Lagrange, or something like that.
- return (sqrt (x * x + y * y + z * z));
-}