umfpack_solver.hpp
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5 /* Copyright (c) 2005-2010 Taneli Kalvas. All rights reserved.
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42 
43 #ifndef UMFPACK_SOLVER_HPP
44 #define UMFPACK_SOLVER_HPP 1
45 
46 
47 #include <iostream>
48 #include "solver.hpp"
49 #include "geometry.hpp"
50 #include "problem.hpp"
51 #include "matrix.hpp"
52 #include "ccolmatrix.hpp"
53 #include "mvector.hpp"
54 
55 
66 class UMFPACKSolver : public Solver {
67 
68  void *_numeric;
70  double _newton_Reps;
71  double _newton_dXeps;
72  uint32_t _newton_imax;
74  static void umfpack_error( const std::string func, int status );
75 
76  void umfpack_decompose( const CColMatrix &mat );
77  void umfpack_solve( const CColMatrix &mat, const Vector &rhs, Vector &sol,
78  bool force_decomposition = false );
79 
80 public:
81 
84  UMFPACKSolver( double newton_Reps = 1.0e-5, double newton_dXeps = 1.0e-6,
85  uint32_t newton_imax = 10 );
86 
90 
94  virtual void solve( const Problem &p, Vector &X );
95 
102  virtual void reset( void );
103 
106  void set_newton_imax( uint32_t newton_imax ) {
107  _newton_imax = newton_imax;
108  }
109 
112  void set_newton_residual_eps( double newton_Reps ) {
113  _newton_Reps = newton_Reps;
114  }
115 
118  void set_newton_step_eps( double newton_dXeps ) {
119  _newton_dXeps = newton_dXeps;
120  }
121 };
122 
123 
124 #endif
125 
126 
127 
128 
129 
130