ESyS-Particle
4.0.1
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00001 00002 // // 00003 // Copyright (c) 2003-2011 by The University of Queensland // 00004 // Earth Systems Science Computational Centre (ESSCC) // 00005 // http://www.uq.edu.au/esscc // 00006 // // 00007 // Primary Business: Brisbane, Queensland, Australia // 00008 // Licensed under the Open Software License version 3.0 // 00009 // http://www.opensource.org/licenses/osl-3.0.php // 00010 // // 00012 00013 #ifndef __CUBE_EQ_H 00014 #define __CUBE_EQ_H 00015 00016 00017 // --- STL includes --- 00018 #include <set> 00019 00020 using std::set; 00021 00030 class CubicEquation 00031 { 00032 private: 00033 double m_a,m_b,m_c; 00034 00035 double bisect(double,double,double); 00036 double f(double); 00037 00038 public: 00039 CubicEquation(double,double,double); 00040 00041 set<double> getRealRoots(double); 00042 }; 00043 00044 #endif //__CUBE_EQ_H