00001 /* 00002 * Copyright (c) 2001 The AUTHORS 00003 * Romeu Andre' Pieritz, Ph.D. - romeu_pieritz@hotmail.com 00004 * Rafael Mendes, Eng. – mendes_rafael@yahoo.com 00005 * Rodrigo Ferraz de Andrade, Eng. – rferraz@iname.com 00006 * All rights reserved. 00007 * 00008 * Permission to use, copy and distribute this software and its 00009 * documentation for educational and personal use, without fee is hereby granted, 00010 * provided that the above copyright notice and the following 00011 * two paragraphs appear in all copies of this software. 00012 * 00013 * IN NO EVENT SHALL THE AUTHORS BE LIABLE TO ANY PARTY FOR 00014 * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES ARISING OUT 00015 * OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF THE AUTHORS 00016 * HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 00017 * 00018 * THE AUTHORS SPECIFICALLY DISCLAIMS ANY WARRANTIES, 00019 * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY 00020 * AND FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HERE UNDER IS 00021 * ON AN "AS IS" BASIS, AND THE AUTHORS HAVE NO OBLIGATION TO 00022 * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS. 00023 * 00024 * SINMEC Lab. - CFD Sinflow Project - http://www.sinmec.ufsc.br/cfd 00025 */ 00026 00027 00028 // File Define 00029 #ifndef __CSFL_FIELD_CORE_VECTOR_H__ 00030 #define __CSFL_FIELD_CORE_VECTOR_H__ 00031 00032 // Include 00033 #include <csfl/sys/core/sflobject.h> 00034 #include <csfl/sys/geom/dpoint.h> 00035 00036 00037 // Namespace 00038 namespace csfl { 00039 00040 00041 class IVector : 00042 virtual public ISFLObject 00043 00047 00048 { 00049 00050 public: 00051 00055 IVector( double _x , double _y ) : 00056 ISFLObject(), x( _x ), y( _y ) {} 00057 00061 IVector( const IDPoint &_p ) : 00062 ISFLObject(), x( _p.x ), y( _p.y ) {} 00063 00067 IVector( const IVector &_v ) : 00068 ISFLObject(), x( _v.x ), y( _v.y ) {} 00069 IVector() {} 00070 00075 double InnerProduct( IVector v ) const 00076 { return ( x*v.x + y*v.y ); } 00077 00082 double CrossProduct( IVector v ) const 00083 { return ::fabs( x*v.y - y*v.x ); } 00084 00086 double Norm() const 00087 { return ::sqrt( x*x + y*y ); } 00088 00090 IVector operator + ( IVector v ) const 00091 { return IVector( x + v.x, y + v.y ); } 00092 00094 IVector operator - ( IVector v ) const 00095 { return IVector( x - v.x, y - v.y ); } 00096 00098 IVector operator * ( int c ) const 00099 { return IVector( c*x, c*y ); } 00100 00101 public: 00102 double x, y; 00103 }; 00104 00105 } // csfl namespace 00106 00107 #endif // __CSFL_FIELD_CORE_VECTOR_H__
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