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CGMShiftedFamilySolver.h
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1 /*
2  * This program is free software; you can redistribute it and/or modify
3  * it under the terms of the GNU General Public License as published by
4  * the Free Software Foundation; either version 3 of the License, or
5  * (at your option) any later version.
6  *
7  * Written (W) 2013 Soumyajit De
8  */
9 
10 #ifndef CG_M_SHIFTED_FAMILY_SOLVER_H_
11 #define CG_M_SHIFTED_FAMILY_SOLVER_H_
12 
13 #include <shogun/lib/config.h>
14 
15 #ifdef HAVE_EIGEN3
17 
18 namespace shogun
19 {
20 template<class RetType, class OperandType> class CLinearOperator;
21 template<class T> class SGVector;
22 
33  : public CIterativeShiftedLinearFamilySolver<float64_t, complex128_t>
34 {
35 
36 public:
39 
41  CCGMShiftedFamilySolver(bool store_residuals);
42 
44  virtual ~CCGMShiftedFamilySolver();
45 
55 
70 
72  virtual const char* get_name() const
73  {
74  return "CGMShiftedFamilySolver";
75  }
76 
77 };
78 
79 }
80 
81 #endif // HAVE_EIGEN3
82 #endif // CG_M_SHIFTED_FAMILY_SOLVER_H_
virtual SGVector< float64_t > solve(CLinearOperator< SGVector< float64_t >, SGVector< float64_t > > *A, SGVector< float64_t > b)
class that uses conjugate gradient method for solving a shifted linear system family where the linear...
virtual SGVector< complex128_t > solve_shifted_weighted(CLinearOperator< SGVector< float64_t >, SGVector< float64_t > > *A, SGVector< float64_t > b, SGVector< complex128_t > shifts, SGVector< complex128_t > weights)
all of classes and functions are contained in the shogun namespace
Definition: class_list.h:18
Abstract template base class that represents a linear operator, e.g. a matrix.
virtual const char * get_name() const
abstract template base for CG based solvers to the solution of shifted linear systems of the form fo...

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