scalarfield.hpp

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00001 
00005 /* Copyright (c) 2005-2010 Taneli Kalvas. All rights reserved.
00006  *
00007  * You can redistribute this software and/or modify it under the terms
00008  * of the GNU General Public License as published by the Free Software
00009  * Foundation; either version 2 of the License, or (at your option)
00010  * any later version.
00011  * 
00012  * This library is distributed in the hope that it will be useful, but
00013  * WITHOUT ANY WARRANTY; without even the implied warranty of
00014  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
00015  * General Public License for more details.
00016  * 
00017  * You should have received a copy of the GNU General Public License
00018  * along with this library (file "COPYING" included in the package);
00019  * if not, write to the Free Software Foundation, Inc., 51 Franklin
00020  * Street, Fifth Floor, Boston, MA 02110-1301 USA
00021  * 
00022  * If you have questions about your rights to use or distribute this
00023  * software, please contact Berkeley Lab's Technology Transfer
00024  * Department at TTD@lbl.gov. Other questions, comments and bug
00025  * reports should be sent directly to the author via email at
00026  * taneli.kalvas@jyu.fi.
00027  * 
00028  * NOTICE. This software was developed under partial funding from the
00029  * U.S.  Department of Energy.  As such, the U.S. Government has been
00030  * granted for itself and others acting on its behalf a paid-up,
00031  * nonexclusive, irrevocable, worldwide license in the Software to
00032  * reproduce, prepare derivative works, and perform publicly and
00033  * display publicly.  Beginning five (5) years after the date
00034  * permission to assert copyright is obtained from the U.S. Department
00035  * of Energy, and subject to any subsequent five (5) year renewals,
00036  * the U.S. Government is granted for itself and others acting on its
00037  * behalf a paid-up, nonexclusive, irrevocable, worldwide license in
00038  * the Software to reproduce, prepare derivative works, distribute
00039  * copies to the public, perform publicly and display publicly, and to
00040  * permit others to do so.
00041  */
00042 
00043 #ifndef SCALARFIELD_HPP
00044 #define SCALARFIELD_HPP 1
00045 
00046 
00047 #include <iostream>
00048 #include "geometry.hpp"
00049 #include "vec3d.hpp"
00050 
00051 
00066 class ScalarField {
00067     geom_mode_e _geom_mode; 
00068     Int3D       _size;      
00069     Vec3D       _origo;     
00070     Vec3D       _max;       
00071     double      _h;         
00072     double      _div_h;     
00073     double     *_F;         
00075 public:
00076 
00077 
00080     ScalarField() : _geom_mode(MODE_3D), _h(1.0), _div_h(1.0), _F(0) {}
00081 
00088     ScalarField( const Geometry &g );
00089 
00095     ScalarField( geom_mode_e geom_mode, Int3D size, Vec3D origo, double h );
00096 
00099     ScalarField( std::istream &s );
00100 
00103     ScalarField( const ScalarField &f );
00104 
00107     ~ScalarField();
00108 
00111     inline geom_mode_e geom_mode( void ) const { return( _geom_mode ); }
00112 
00115     inline Int3D size( void ) const { return( _size ); }
00116 
00119     inline int32_t size( int i ) const { return( _size[i] ); }
00120    
00123     inline int32_t nodecount( void ) const { return( _size[0]*_size[1]*_size[2] ); }
00124 
00127     inline Vec3D origo( void ) const { return( _origo ); }
00128 
00131     inline double origo( int i ) const { return( _origo[i] ); }
00132 
00136     Vec3D max( void ) const { return( _max ); }
00137 
00141     double max( int i ) const { return( _max[i] ); }
00142 
00145     inline double h( void ) const { return( _h ); }
00146 
00149     inline double div_h( void ) const { return( _div_h ); }
00150 
00153     void clear();
00154 
00160     void reset( geom_mode_e geom_mode, Int3D size, Vec3D origo, double h );
00161 
00170     void get_minmax( double &min, double &max ) const;
00171 
00179     void epot_get_minmax( const Geometry &g, double &min, double &max ) const;
00180 
00183     ScalarField &operator=( const ScalarField &f );
00184 
00187     ScalarField &operator+=( const ScalarField &f );
00188 
00191     ScalarField &operator*=( double x );
00192 
00195     ScalarField &operator/=( double x );
00196 
00199     inline double &operator()( int32_t i ) { 
00200         return( _F[i] ); }
00201 
00204     inline double &operator()( int32_t i, int32_t j ) {
00205         return( _F[i + j*_size[0]] ); }
00206 
00209     inline double &operator()( int32_t i, int32_t j, int32_t k ) {
00210         return( _F[i + (j + k*_size[1])*_size(0)] ); }
00211 
00214     inline const double &operator()( int32_t i ) const { 
00215         return( _F[i] ); }
00216 
00219     inline const double &operator()( int32_t i, int32_t j ) const {
00220         return( _F[i + j*_size[0]] ); }
00221 
00224     inline const double &operator()( int32_t i, int32_t j, int32_t k ) const {
00225         return( _F[i + (j + k*_size[1])*_size(0)] ); }
00226 
00234     double operator()( Vec3D x ) const;
00235 
00238     void save( std::ostream &s ) const;
00239 
00242     void debug_print( void ) const;
00243 };
00244 
00245 
00246 #endif
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