49 lines
1.2 KiB
C++
49 lines
1.2 KiB
C++
/* -*- Mode: C++; c-file-style: "gnu"; indent-tabs-mode:nil; -*- */
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/*
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* Copyright (c) 2007 INRIA
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation;
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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* Author: Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
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*/
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#include "vector.h"
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#include <cmath>
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namespace ns3 {
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Vector::Vector (double _x, double _y, double _z)
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: x (_x),
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y (_y),
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z (_z)
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{}
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Vector::Vector ()
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: x (0.0),
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y (0.0),
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z (0.0)
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{}
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double
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CalculateDistance (const Vector &a, const Vector &b)
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{
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double dx = b.x - a.x;
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double dy = b.y - a.y;
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double dz = b.z - a.z;
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double distance = std::sqrt (dx * dx + dy * dy + dz * dz);
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return distance;
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}
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} // namespace ns3
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