EquationsSolver.h
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00001 /***************************************************************************** 00002 * Copyright (C) 2011 by Benjamin Hadorn (b_hadorn@bluewin.ch) 00003 ***************************************************************************** 00004 * Project : Zeus Math Library 00005 * Module : EqualtionSolver 00006 * Package : Zeus.ZeusMath.System 00007 * Author : Martin Abbuehl and Benjamin Hadorn 00008 * Date : 27.12.2011 00009 * System : Zeus-Framework 00010 ***************************************************************************** 00011 * Licence: * 00012 * This library is free software; you can redistribute it and/or modify * 00013 * it under the terms of the GNU Lesser General Public License as * 00014 * published by the Free Software Foundation; either version * 00015 * 2.1 of the License, or (at your option) any later version. * 00016 * * 00017 * This library is distributed in the hope that it will be useful, * 00018 * but WITHOUT ANY WARRANTY; without even the implied warranty of * 00019 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * 00020 * GNU Lesser General Public License for more details. * 00021 * * 00022 * You should have received a copy of the GNU Lesser General Public * 00023 * License along with this library; if not, write to the Free Software * 00024 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110, USA * 00025 *****************************************************************************/ 00026 00027 /***************************************************************************** 00028 * Changes: 00029 * 27.12.2011 bha: created zeus 2.0 00030 *****************************************************************************/ 00031 00032 #ifndef EquationsSolverH 00033 #define EquationsSolverH 00034 00035 #include <zeusmath/Config/PlatformDefines.hpp> 00036 #include <zeusmath/System/RealRealFunction.hpp> 00037 #include <zeusmath/System/Matrix.h> 00038 00039 BEGIN_NAMESPACE_Zeus 00040 00041 /******************************************************************************/ 00045 /******************************************************************************/ 00046 zeusmath_class TEquationsSolver 00047 { 00048 public: 00049 static bool solveLinearEquation(const Float& a, const Float& b, Float& x1); 00050 00051 static bool solveLinearEquations2(const Float& a1, const Float& b1, const Float& c1, 00052 const Float& a2, const Float& b2, const Float& c2, 00053 Float& x, Float& y); 00054 00055 static bool solveLinearEquations3(const Float& a1, const Float& b1, const Float& c1, const Float& d1, 00056 const Float& a2, const Float& b2, const Float& c2, const Float& d2, 00057 const Float& a3, const Float& b3, const Float& c3, const Float& d3, 00058 Float& x, Float& y, Float& z); 00059 00060 static bool solveLinearEquations(const TMatrix& rAVars, const TVector& rDVars, 00061 TVector& rResults); 00062 00063 static Int solveQuadraticEquationReal(const Float& a, const Float& b, const Float& c, 00064 Float& x1, Float& x2); 00065 00066 static bool findRoot(RealRealFunction pFunction, const Float& fInitialValue, 00067 Float& fRoot, Int iMaxIterations = 100000); 00068 00069 00070 private: 00071 /**************************************************************************/ 00074 /**************************************************************************/ 00075 inline TEquationsSolver() { } 00076 }; 00077 00078 00079 END_NAMESPACE_Zeus 00080 00081 #endif 00082