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vector_2d.hpp

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00001 /*
00002   CLAW - a C++ Library Absolutely Wonderful
00003 
00004   CLAW is a free library without any particular aim but being useful to 
00005   anyone.
00006 
00007   Copyright (C) 2005-2010 Julien Jorge
00008 
00009   This library is free software; you can redistribute it and/or
00010   modify it under the terms of the GNU Lesser General Public
00011   License as published by the Free Software Foundation; either
00012   version 2.1 of the License, or (at your option) any later version.
00013 
00014   This library is distributed in the hope that it will be useful,
00015   but WITHOUT ANY WARRANTY; without even the implied warranty of
00016   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00017   Lesser General Public License for more details.
00018 
00019   You should have received a copy of the GNU Lesser General Public
00020   License along with this library; if not, write to the Free Software
00021   Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
00022 
00023   contact: julien_jorge@yahoo.fr
00024 */
00030 #ifndef __CLAW_VECTOR_2D_HPP__
00031 #define __CLAW_VECTOR_2D_HPP__
00032 
00033 #include <claw/coordinate_2d.hpp>
00034 
00035 namespace claw
00036 {
00037   namespace math
00038   {
00043     template<class T>
00044     class vector_2d :
00045       public coordinate_2d<T>
00046     {
00047     public:
00049       typedef T value_type;
00050 
00052       typedef vector_2d<value_type> self_type;
00053 
00055       typedef coordinate_2d<value_type> super;
00056 
00057     public:
00058       vector_2d();
00059       template<class U> vector_2d( const coordinate_2d<U>& that );
00060       template<class U> vector_2d
00061       ( const coordinate_2d<U>& p1, const coordinate_2d<U>& p2 );
00062       vector_2d(const value_type& _x, const value_type& _y);
00063 
00064       value_type length() const;
00065       void normalize();
00066       self_type get_orthonormal_clockwise() const;
00067       self_type get_orthonormal_anticlockwise() const;
00068 
00069       value_type dot_product(const self_type& vect) const;
00070 
00071     }; // class vector_2d
00072   } // namespace math
00073 } // namespace claw
00074 
00075 #include <claw/impl/vector_2d.tpp>
00076 
00077 #endif // __CLAW_VECTOR_2D_HPP__

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