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_dgbmatrix-dsymatrix.hpp
1 //=============================================================================
3 inline _dgematrix operator+(const _dgbmatrix& matA, const dsymatrix& matB)
4 {
5 #ifdef CPPL_VERBOSE
6  std::cerr << "# [MARK] operator+(const _dgbmatrix&, const dsymatrix&)"
7  << std::endl;
8 #endif//CPPL_VERBOSE
9 
10 #ifdef CPPL_DEBUG
11  if(matA.M!=matB.N || matA.N!=matB.N){
12  std::cerr << "[ERROR] operator+(_dgbmatrix&, dsymatrix&)" << std::endl
13  << "These two matrises can not make a summation." << std::endl
14  << "Your input was (" << matA.M << "x" << matA.N << ") + ("
15  << matB.N << "x" << matB.N << ")." << std::endl;
16  exit(1);
17  }
18 #endif//CPPL_DEBUG
19 
20  dgematrix newmat(matB);
21  for(long i=0; i<matA.M; i++){
22  for(long j=max(0,i-matA.KL); j<min(matA.N,i+matA.KU+1); j++){
23  newmat(i,j)+=matA(i,j);
24  }
25  }
26 
27  matA.destroy();
28  return _(newmat);
29 }
30 
31 //=============================================================================
33 inline _dgematrix operator-(const _dgbmatrix& matA, const dsymatrix& matB)
34 {
35 #ifdef CPPL_VERBOSE
36  std::cerr << "# [MARK] operator-(const _dgbmatrix&, const dsymatrix&)"
37  << std::endl;
38 #endif//CPPL_VERBOSE
39 
40 #ifdef CPPL_DEBUG
41  if(matA.M!=matB.N || matA.N!=matB.N){
42  std::cerr << "[ERROR] operator+(_dgbmatrix&, dsymatrix&)" << std::endl
43  << "These two matrises can not make a summation." << std::endl
44  << "Your input was (" << matA.M << "x" << matA.N << ") + ("
45  << matB.N << "x" << matB.N << ")." << std::endl;
46  exit(1);
47  }
48 #endif//CPPL_DEBUG
49 
50  dgematrix newmat(-matB);
51  for(long i=0; i<matA.M; i++){
52  for(long j=max(0,i-matA.KL); j<min(matA.N,i+matA.KU+1); j++){
53  newmat(i,j)+=matA(i,j);
54  }
55  }
56 
57  matA.destroy();
58  return _(newmat);
59 }
60 
61 //=============================================================================
63 inline _dgematrix operator*(const _dgbmatrix& matA, const dsymatrix& matB)
64 {
65 #ifdef CPPL_VERBOSE
66  std::cerr << "# [MARK] operator*(const _dgbmatrix&, const dsymatrix&)"
67  << std::endl;
68 #endif//CPPL_VERBOSE
69 
70 #ifdef CPPL_DEBUG
71  if(matA.N!=matB.N){
72  std::cerr << "[ERROR] operator*(dgbmatrix&, dsymatrix&)" << std::endl
73  << "These two matrises can not make a product." << std::endl
74  << "Your input was (" << matA.M << "x" << matA.N << ") * ("
75  << matB.N << "x" << matB.N << ")." << std::endl;
76  exit(1);
77  }
78 #endif//CPPL_DEBUG
79 
80  dgematrix newmat( matA.M, matB.N );
81  newmat.zero();
82 
83  long i, j, k;
84 #pragma omp parallel for private(j,k)
85  for(i=0; i<newmat.m; i++){
86  for(j=0; j<newmat.n; j++){
87  for(k=max(0,i-matA.KL); k<min(matA.N,i+matA.KU+1); k++){
88  newmat(i,j)+=matA(i,k)*matB(k,j);
89  }
90  }
91  }
92 
93  matA.destroy();
94  return _(newmat);
95 }
long KL
lower band width
Definition: _dgbmatrix.hpp:9
long M
matrix row size
Definition: _dgbmatrix.hpp:7
void destroy() const
Definition: _dgbmatrix-misc.hpp:3
Real Double-precision General Dence Matrix Class.
Definition: dgematrix.hpp:3
long N
matrix column size
Definition: _dgbmatrix.hpp:8
Real Double-precision Symmetric Matrix Class [L-type (UPLO=L) Strage].
Definition: dsymatrix.hpp:3
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
friend _drovector operator*(const drovector &, const dgematrix &)
Definition: drovector-dgematrix.hpp:3
(DO NOT USE) Smart-temporary Real Double-precision General Band Matrix Class
Definition: _dgbmatrix.hpp:3
long KU
upper band width
Definition: _dgbmatrix.hpp:10
friend const _drovector & operator+(const _drovector &)
Definition: _drovector-unary.hpp:3