00001 // This file is part of ff3d - http://www.freefem.org/ff3d 00002 // Copyright (C) 2001, 2002, 2003 Stéphane Del Pino 00003 00004 // This program is free software; you can redistribute it and/or modify 00005 // it under the terms of the GNU General Public License as published by 00006 // the Free Software Foundation; either version 2, or (at your option) 00007 // any later version. 00008 00009 // This program is distributed in the hope that it will be useful, 00010 // but WITHOUT ANY WARRANTY; without even the implied warranty of 00011 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00012 // GNU General Public License for more details. 00013 00014 // You should have received a copy of the GNU General Public License 00015 // along with this program; if not, write to the Free Software Foundation, 00016 // Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. 00017 00018 // $Id: ScalarFunctionDivision.hpp,v 1.3 2006/10/28 12:26:54 delpinux Exp $ 00019 00020 #ifndef SCALAR_FUNCTION_DIVISION_HPP 00021 #define SCALAR_FUNCTION_DIVISION_HPP 00022 00023 #include <ScalarFunctionBase.hpp> 00024 00033 class ScalarFunctionDivision 00034 : public ScalarFunctionBase 00035 { 00036 private: 00037 ConstReferenceCounting<ScalarFunctionBase> 00038 __f; 00039 ConstReferenceCounting<ScalarFunctionBase> 00040 __g; 00049 std::ostream& __put(std::ostream& os) const 00050 { 00051 os << '(' << *__f << '/' << *__g << ')'; 00052 return os; 00053 } 00054 00055 public: 00063 real_t operator()(const TinyVector<3,real_t>& X) const 00064 { 00065 return (*__f)(X)/(*__g)(X); 00066 } 00067 00073 bool canBeSimplified() const 00074 { 00075 return false; 00076 } 00077 00084 ScalarFunctionDivision(ConstReferenceCounting<ScalarFunctionBase> f, 00085 ConstReferenceCounting<ScalarFunctionBase> g) 00086 : ScalarFunctionBase(ScalarFunctionBase::division), 00087 __f(f), 00088 __g(g) 00089 { 00090 ; 00091 } 00092 00098 ScalarFunctionDivision(const ScalarFunctionDivision& f) 00099 : ScalarFunctionBase(f), 00100 __f(f.__f), 00101 __g(f.__g) 00102 { 00103 ; 00104 } 00105 00110 ~ScalarFunctionDivision() 00111 { 00112 ; 00113 } 00114 }; 00115 00116 #endif // SCALAR_FUNCTION_DIVISION_HPP
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