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00001 /*---------------------------------------------------------------------------*\ 00002 ========= | 00003 \\ / F ield | OpenFOAM: The Open Source CFD Toolbox 00004 \\ / O peration | 00005 \\ / A nd | Copyright (C) 1991-2005 OpenCFD Ltd. 00006 \\/ M anipulation | 00007 ------------------------------------------------------------------------------- 00008 License 00009 This file is part of OpenFOAM. 00010 00011 OpenFOAM is free software; you can redistribute it and/or modify it 00012 under the terms of the GNU General Public License as published by the 00013 Free Software Foundation; either version 2 of the License, or (at your 00014 option) any later version. 00015 00016 OpenFOAM is distributed in the hope that it will be useful, but WITHOUT 00017 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 00018 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 00019 for more details. 00020 00021 You should have received a copy of the GNU General Public License 00022 along with OpenFOAM; if not, write to the Free Software Foundation, 00023 Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA 00024 00025 Class 00026 point2D 00027 00028 Description 00029 2D point. 00030 00031 SourceFiles 00032 point2DI.H 00033 00034 \*---------------------------------------------------------------------------*/ 00035 00036 #ifndef point2D_H 00037 #define point2D_H 00038 00039 #include "error.H" 00040 #include "point.H" 00041 00042 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * // 00043 00044 namespace Foam 00045 { 00046 00047 class Istream; 00048 class Ostream; 00049 00050 /*---------------------------------------------------------------------------*\ 00051 Class point2D Declaration 00052 \*---------------------------------------------------------------------------*/ 00053 00054 class point2D 00055 { 00056 // Private data 00057 00058 scalar X; 00059 scalar Y; 00060 00061 public: 00062 00063 // Constructors 00064 00065 //- Construct as null 00066 point2D(); 00067 00068 //- Construct from components 00069 point2D(const scalar, const scalar); 00070 00071 //- Construct from point (uses only x and y components) 00072 point2D(const point&); 00073 00074 //- Construct from Istream 00075 point2D(Istream&); 00076 00077 00078 // Destructor 00079 00080 ~point2D(); 00081 00082 00083 // Member Functions 00084 00085 // Access 00086 00087 scalar x() const; 00088 scalar y() const; 00089 00090 00091 // Member Operators 00092 00093 void operator=(const point2D&); 00094 00095 void operator*=(const scalar&); 00096 00097 00098 // Friend Operators 00099 00100 //- addition 00101 inline friend point2D operator+(const point2D&, const point2D&); 00102 00103 //- subtraction 00104 inline friend point2D operator-(const point2D&, const point2D&); 00105 00106 //- multiplication by a scalar 00107 inline friend point2D operator*(const scalar&, const point2D&); 00108 00109 inline friend bool operator==(const point2D&, const point2D&); 00110 inline friend bool operator!=(const point2D&, const point2D&); 00111 00112 //- distance between point2Ds 00113 inline friend scalar distance(const point2D&, const point2D&); 00114 00115 00116 // Ostream Operator 00117 00118 inline friend Ostream& operator<<(Ostream&, const point2D&); 00119 }; 00120 00121 00122 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * // 00123 00124 //- For the benefit of old compilers instantiating ListIO.C 00125 inline Istream& operator>>(Istream& is, point2D&) 00126 { 00127 notImplemented("Istream& operator<<(Istream&, point2D&)"); 00128 return is; 00129 } 00130 00131 00132 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * // 00133 00134 } // End namespace Foam 00135 00136 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * // 00137 00138 #include "point2DI.H" 00139 00140 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * // 00141 00142 #endif 00143 00144 // ************************************************************************* //