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ConjugateOrthogonalCGSolver.h
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00001 /*
00002  * This program is free software; you can redistribute it and/or modify
00003  * it under the terms of the GNU General Public License as published by
00004  * the Free Software Foundation; either version 3 of the License, or
00005  * (at your option) any later version.
00006  *
00007  * Written (W) 2013 Soumyajit De
00008  */
00009 
00010 #ifndef CONJUGATE_ORTHOGONAL_CG_SOLVER_H_
00011 #define CONJUGATE_ORTHOGONAL_CG_SOLVER_H_
00012 
00013 #include <shogun/lib/config.h>
00014 
00015 #ifdef HAVE_EIGEN3
00016 #include <shogun/mathematics/linalg/linsolver/IterativeLinearSolver.h>
00017 
00018 namespace shogun
00019 {
00020 template<class T> class CLinearOperator;
00021 template<class T> class SGVector;
00022 
00033 class CConjugateOrthogonalCGSolver
00034  : public CIterativeLinearSolver<complex128_t, float64_t>
00035 {
00036 
00037 public:
00039     CConjugateOrthogonalCGSolver();
00040 
00042     CConjugateOrthogonalCGSolver(bool store_residuals);
00043 
00045     virtual ~CConjugateOrthogonalCGSolver();
00046 
00054     virtual SGVector<complex128_t> solve(CLinearOperator<complex128_t>* A,
00055         SGVector<float64_t> b);
00056 
00058     virtual const char* get_name() const
00059     {
00060         return "ConjugateOrthogonalCGSolver";
00061     }
00062 
00063 };
00064 
00065 }
00066 
00067 #endif // HAVE_EIGEN3
00068 #endif // CONJUGATE_ORTHOGONAL_CG_SOLVER_H_
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