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# EqSolver.h

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    00001 // $Id: EqSolver.h,v 1.3 2006/11/30 10:40:53 mato Exp $
    00002 // ============================================================================
    00003 #ifndef ALGTOOLS_EQSOLVER_H
    00004 #define ALGTOOLS_EQSOLVER_H 1
    00005 // Include files
    00006 // from CLHEP
    00007 #include "CLHEP/GenericFunctions/GenericFunctions.hh"
    00008 #include "CLHEP/GenericFunctions/Argument.hh"
    00009 #include "CLHEP/GenericFunctions/AbsFunction.hh"
    00010 // from Gaudi
    00011 #include "GaudiAlg/GaudiTool.h"
    00012 //from GSL
    00013 #include "gsl/gsl_multiroots.h"
    00014
    00015 // local
    00016 #include "GaudiGSL/IEqSolver.h"
    00017
    00019 template <class TOOL> class ToolFactory;
    00020
    00028 class EqSolver : public GaudiTool,
    00029                  virtual public IEqSolver
    00030
    00031 {
    00032   // friend factory for instantiation
    00033   friend class ToolFactory<EqSolver> ;
    00034 public:
    00035   typedef std::vector<Equations>   Jacobi ;
    00036 public:
    00037
    00043   virtual StatusCode solver( const Equations& funcs ,
    00044                              Arg&             arg   ) const;
    00045
    00047   virtual StatusCode initialize ();
    00048   virtual StatusCode finalize   ();
    00049
    00050   virtual ~EqSolver( );
    00051
    00052   class  EqSolverMisc
    00053   {
    00054   public:
    00058     EqSolverMisc ( const Equations& funcs ,
    00059                    Arg&             arg   ) ;
    00060     // destructor
    00061     ~EqSolverMisc ();
    00062   public:
    00063     inline const Arg&       argument  () const { return m_argum   ; }
    00064     inline       Arg&       argument  ()       { return m_argum   ; }
    00065     inline const Equations* equations () const { return m_eqs     ; }
    00066     inline const Jacobi&    jacobi    () const { return m_jac     ; }
    00067   private:
    00068     // default constructor is disabled
    00069     EqSolverMisc () ;
    00070     // copy constructor is disabled
    00071     EqSolverMisc           ( const EqSolverMisc& );
    00072     // assignement operator is disabled
    00073     EqSolverMisc& operator=( const EqSolverMisc& );
    00074   private:
    00075     Arg              m_argum ;
    00076     const Equations* m_eqs   ;
    00077     Jacobi           m_jac   ;
    00078   };
    00079
    00080
    00087   EqSolver( const std::string& type,
    00088             const std::string& name,
    00089             const IInterface* parent);
    00090
    00091 private:
    00092
    00094   EqSolver();
    00096   EqSolver           ( const EqSolver& );
    00098   EqSolver& operator=( const EqSolver& );
    00099
    00100 private:
    00101
    00102   std::string m_algType         ;
    00103   double      m_max_iter        ;
    00104   double      m_norm_residual   ;
    00105   const gsl_multiroot_fdfsolver_type* m_type ;
    00106
    00107 };
    00108
    00109 // ============================================================================
    00110 // The END
    00111 // ============================================================================
    00112 #endif // ALGTOOLS_EQSOLVER_H
    00113 // ============================================================================