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dgbmatrix-_dssmatrix.hpp
1 //=============================================================================
3 inline _dgematrix operator+(const dgbmatrix& matA, const _dssmatrix& matB)
4 {
5 #ifdef CPPL_VERBOSE
6  std::cerr << "# [MARK] operator+(const dgbmatrix&, const _dssmatrix&)"
7  << std::endl;
8 #endif//CPPL_VERBOSE
9 
10 #ifdef CPPL_DEBUG
11  if(matA.N!=matB.N || matA.M!=matB.M){
12  std::cerr << "[ERROR] operator+(const dgbmatrix&, const _dssmatrix&)"
13  << std::endl
14  << "These two matrises can not make a summation." << std::endl
15  << "Your input was (" << matA.M << "x" << matA.N << ") + ("
16  << matB.M << "x" << matB.N << ")." << std::endl;
17  exit(1);
18  }
19 #endif//CPPL_DEBUG
20 
21  dgematrix newmat(matB);
22 
23  for(long i=0; i<matA.M; i++){
24  for(long j=max(0,i-matA.KL); j<min(matA.N,i+matA.KU+1); j++){
25  newmat(i,j)+=matA(i,j);
26  }
27  }
28 
29  matB.destroy();
30  return _(newmat);
31 }
32 
33 //=============================================================================
35 inline _dgematrix operator-(const dgbmatrix& matA, const _dssmatrix& matB)
36 {
37 #ifdef CPPL_VERBOSE
38  std::cerr << "# [MARK] operator-(const dgbmatrix&, const _dssmatrix&)"
39  << std::endl;
40 #endif//CPPL_VERBOSE
41 
42 #ifdef CPPL_DEBUG
43  if(matA.N!=matB.N || matA.M!=matB.M){
44  std::cerr << "[ERROR] operator+(const dgbmatrix&, const _dssmatrix&)"
45  << std::endl
46  << "These two matrises can not make a summation." << std::endl
47  << "Your input was (" << matA.M << "x" << matA.N << ") + ("
48  << matB.M << "x" << matB.N << ")." << std::endl;
49  exit(1);
50  }
51 #endif//CPPL_DEBUG
52 
53  dgematrix newmat(-matB);
54 
55  for(long i=0; i<matA.M; i++){
56  for(long j=max(0,i-matA.KL); j<min(matA.N,i+matA.KU+1); j++){
57  newmat(i,j)-=matA(i,j);
58  }
59  }
60 
61  matB.destroy();
62  return _(newmat);
63 }
64 
65 //=============================================================================
67 inline _dgematrix operator*(const dgbmatrix& matA, const _dssmatrix& matB)
68 {
69 #ifdef CPPL_VERBOSE
70  std::cerr << "# [MARK] operator*(const dgbmatrix&, const _dssmatrix&)"
71  << std::endl;
72 #endif//CPPL_VERBOSE
73 
74 #ifdef CPPL_DEBUG
75  if(matA.N!=matB.M){
76  std::cerr << "[ERROR] operator*(const dgbmatrix&, const _dssmatrix&)"
77  << std::endl
78  << "These two matrises can not make a product." << std::endl
79  << "Your input was (" << matA.M << "x" << matA.N << ") * ("
80  << matB.M << "x" << matB.N << ")." << std::endl;
81  exit(1);
82  }
83 #endif//CPPL_DEBUG
84 
85  dgematrix newmat( matA.M, matB.N );
86  newmat.zero();
87 
88  for(long c=0; c<matB.VOL; c++){
89  for(long i=max(0,matB.Indx[c]-(matA.KU+1));
90  i<min(matA.M,matB.Indx[c]+matA.KL); i++){
91  newmat(i,matB.Jndx[c]) += matA(i,matB.Indx[c])*matB.Array[c];
92  }
93  }
94 
95  matB.destroy();
96  return _(newmat);
97 }
double * Array
1D array to store non-zero matrix data
Definition: _dssmatrix.hpp:11
(DO NOT USE) Smart-temporary Real Double-precision Sparse Matrix Class
Definition: _dssmatrix.hpp:3
long M
matrix row size
Definition: _dssmatrix.hpp:7
Real Double-precision General Dence Matrix Class.
Definition: dgematrix.hpp:3
long * Jndx
1D array to store the j-index of non-zero matrix components
Definition: _dssmatrix.hpp:13
friend _drovector operator-(const _drovector &)
Definition: _drovector-unary.hpp:15
(DO NOT USE) Smart-temporary Real Double-precision General Dence Matrix Class
Definition: _dgematrix.hpp:3
Real Double-precision General Band Matrix Class.
Definition: dgbmatrix.hpp:3
long VOL
the number of non-zero components
Definition: _dssmatrix.hpp:10
friend _drovector operator*(const drovector &, const dgematrix &)
Definition: drovector-dgematrix.hpp:3
long N
matrix column size
Definition: _dssmatrix.hpp:8
long * Indx
1D array to store the i-index of non-zero matrix components
Definition: _dssmatrix.hpp:12
void destroy() const
Definition: _dssmatrix-misc.hpp:3
friend const _drovector & operator+(const _drovector &)
Definition: _drovector-unary.hpp:3