53 lines
1.2 KiB
C++
53 lines
1.2 KiB
C++
// point2d.hxx -- define a 2d point class
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//
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// Written by Curtis Olson, started February 1998.
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//
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// Copyright (C) 1998 Curtis L. Olson - curt@me.umn.edu
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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 as published by
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// the Free Software Foundation; either version 2 of the License, or
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// (at your option) any later version.
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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., 675 Mass Ave, Cambridge, MA 02139, USA.
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//
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// $Id$
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//
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#ifndef _POINT2D_HXX
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#define _POINT2D_HXX
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#include <list>
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class point2d {
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public:
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union {
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double x;
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double dist;
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double lon;
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};
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union {
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double y;
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double theta;
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double lat;
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};
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};
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// convert a point from cartesian to polar coordinates
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point2d cart_to_polar_2d(point2d in);
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#endif // _POINT2D_HXX
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