// point2d.cxx -- 2d coordinate routines // // Written by Curtis Olson, started September 1998. // // Copyright (C) 1998 Curtis L. Olson - curt@me.umn.edu // // 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., 675 Mass Ave, Cambridge, MA 02139, USA. // // $Id$ // (Log is kept at end of this file) // #include #include "point2d.hxx" // convert a point from cartesian to polar coordinates point2d cart_to_polar_2d(point2d in) { point2d result; result.dist = sqrt( in.x * in.x + in.y * in.y ); result.theta = atan2(in.y, in.x); return(result); } // $Log$ // Revision 1.1 1998/09/04 23:04:53 curt // Beginning of convex hull genereration routine. // //