OpenFPM_pdata  4.1.0
Project that contain the implementation of distributed structures
SparseMatrix.hpp
1 /*
2  * Matrix.hpp
3  *
4  * Created on: Oct 5, 2015
5  * Author: i-bird
6  */
7 
8 #ifndef OPENFPM_NUMERICS_SRC_MATRIX_SPARSEMATRIX_HPP_
9 #define OPENFPM_NUMERICS_SRC_MATRIX_SPARSEMATRIX_HPP_
10 
11 #include "config.h"
12 #include "util/linalgebra_lib.hpp"
13 #include "Vector/map_vector.hpp"
14 #include "VCluster/VCluster.hpp"
15 
16 #ifdef HAVE_EIGEN
17 #include <Eigen/Sparse>
18 #define DEFAULT_MATRIX = EIGEN_BASE
19 #else
20 #define DEFAULT_MATRIX = 0
21 #endif
22 
27 template<typename T> struct cval
28 {
29  size_t j;
30  T value;
31 };
32 
37 template<typename T, int impl> struct triplet
38 {
39  long int i;
40  long int j;
41  T val;
42 
43  triplet(long int i, long int j, T val)
44  {
45  row() = i;
46  col() = j;
47  value() = val;
48  }
49 
50  triplet()
51  {
52  }
53 
54  long int & row()
55  {
56  return i;
57  }
58 
59  long int & col()
60  {
61  return j;
62  }
63 
64  T & value()
65  {
66  return val;
67  }
68 };
69 
77 template<typename T,typename id_t ,unsigned int Mi DEFAULT_MATRIX>
79 {
80 public:
81 
83  typedef boost::mpl::int_<-1> triplet_impl;
84 
86  typedef triplet<T,-1> triplet_type;
87 
89  int stub_i;
90  T stub_t;
91 
92 public:
93 
94 
95  SparseMatrix(size_t N1, size_t N2) {std::cerr << __FILE__ << ":" << __LINE__ << " Error in order to use this class you must compile OpenFPM with linear algebra support" << std::endl;}
96  SparseMatrix(size_t N1, size_t N2, size_t loc) {std::cerr << __FILE__ << ":" << __LINE__ << " Error in order to use this class you must compile OpenFPM with linear algebra support" << std::endl;}
97  SparseMatrix() {std::cerr << __FILE__ << ":" << __LINE__ << " Error in order to use this class you must compile OpenFPM with linear algebra support" << std::endl;}
98  openfpm::vector<triplet_type> & getMatrixTriplets() {std::cerr << __FILE__ << ":" << __LINE__ << " Error in order to use this class you must compile OpenFPM with linear algebra support" << std::endl; return stub_vt;}
99  const int & getMat() const {std::cerr << __FILE__ << ":" << __LINE__ << " Error in order to use this class you must compile OpenFPM with linear algebra support" << std::endl; return stub_i;}
100  int & getMat() {std::cerr << __FILE__ << ":" << __LINE__ << " Error in order to use this class you must compile OpenFPM with linear algebra support" << std::endl; return stub_i;}
101  void resize(size_t row, size_t col, size_t row_n, size_t col_n) {std::cerr << __FILE__ << ":" << __LINE__ << " Error in order to use this class you must compile OpenFPM with linear algebra support" << std::endl;}
102  T operator()(id_t i, id_t j) {std::cerr << __FILE__ << ":" << __LINE__ << " Error in order to use this class you must compile OpenFPM with linear algebra support" << std::endl; return stub_t;}
103  bool save(const std::string & file) const {std::cerr << __FILE__ << ":" << __LINE__ << " Error in order to use this class you must compile OpenFPM with linear algebra support" << std::endl;return true;}
104  bool load(const std::string & file) {std::cerr << __FILE__ << ":" << __LINE__ << " Error in order to use this class you must compile OpenFPM with linear algebra support" << std::endl; return false;}
105  T getValue(size_t r, size_t c) {std::cerr << __FILE__ << ":" << __LINE__ << " Error in order to use this class you must compile OpenFPM with linear algebra support" << std::endl; return stub_i;}
106 };
107 
108 #ifdef HAVE_EIGEN
109 #include "SparseMatrix_Eigen.hpp"
110 #endif
111 
112 #ifdef HAVE_PETSC
113 #include "SparseMatrix_petsc.hpp"
114 #endif
115 
116 #endif /* OPENFPM_NUMERICS_SRC_MATRIX_SPARSEMATRIX_HPP_ */
It store the non zero elements of the matrix.
It store the non zero elements of the matrix.
Sparse Matrix implementation.
triplet< T,-1 > triplet_type
Triplet type.
boost::mpl::int_<-1 > triplet_impl
Triplet implementation id.
Implementation of 1-D std::vector like structure.
Definition: map_vector.hpp:202