VERB_code_2.3
dsymatrix-dgbmatrix.hpp
1 //=============================================================================
3 inline _dgematrix operator+(const dsymatrix& matA, const dgbmatrix& matB)
4 {
5 #ifdef CPPL_VERBOSE
6  std::cerr << "# [MARK] operator+(const dsymatrix&, const dgbmatrix&)"
7  << std::endl;
8 #endif//CPPL_VERBOSE
9 
10 #ifdef CPPL_DEBUG
11  if(matA.N!=matB.N || matA.N!=matB.M){
12  std::cerr << "[ERROR] operator+(dsymatrix&, dgbmatrix&)" << std::endl
13  << "These two matrises can not make a summation." << std::endl
14  << "Your input was (" << matA.N << "x" << matA.N << ") + ("
15  << matB.M << "x" << matB.N << ")." << std::endl;
16  exit(1);
17  }
18 #endif//CPPL_DEBUG
19 
20  dgematrix newmat(matA.N, matA.N);
21  for(long i=0; i<matB.M; i++){
22  for(long j=i; j<matA.N; j++){
23  newmat(i,j) = newmat(j,i) = matA(i,j);
24  }
25  for(long j=max(0,i-matB.KL); j<min(matB.N,i+matB.KU+1); j++){
26  newmat(i,j)+=matB(i,j);
27  }
28  }
29 
30  return _(newmat);
31 }
32 
33 //=============================================================================
35 inline _dgematrix operator-(const dsymatrix& matA, const dgbmatrix& matB)
36 {
37 #ifdef CPPL_VERBOSE
38  std::cerr << "# [MARK] operator-(const dsymatrix&, const dgbmatrix&)"
39  << std::endl;
40 #endif//CPPL_VERBOSE
41 
42 #ifdef CPPL_DEBUG
43  if(matA.N!=matB.N || matA.N!=matB.M){
44  std::cerr << "[ERROR] operator+(dsymatrix&, dgbmatrix&)" << std::endl
45  << "These two matrises can not make a summation." << std::endl
46  << "Your input was (" << matA.N << "x" << matA.N << ") + ("
47  << matB.M << "x" << matB.N << ")." << std::endl;
48  exit(1);
49  }
50 #endif//CPPL_DEBUG
51 
52  dgematrix newmat(matA.N, matA.N);
53  for(long i=0; i<matB.M; i++){
54  for(long j=i; j<matA.N; j++){
55  newmat(i,j) = newmat(j,i) = matA(i,j);
56  }
57  for(long j=max(0,i-matB.KL); j<min(matB.N,i+matB.KU+1); j++){
58  newmat(i,j)-=matB(i,j);
59  }
60  }
61 
62  return _(newmat);
63 }
64 
65 //=============================================================================
67 inline _dgematrix operator*(const dsymatrix& matA, const dgbmatrix& matB)
68 {
69 #ifdef CPPL_VERBOSE
70  std::cerr << "# [MARK] operator*(const dsymatrix&, const dgbmatrix&)"
71  << std::endl;
72 #endif//CPPL_VERBOSE
73 
74 #ifdef CPPL_DEBUG
75  if(matA.N!=matB.M){
76  std::cerr << "[ERROR] operator*(dsymatrix&, dgbmatrix&)" << std::endl
77  << "These two matrises can not make a product." << std::endl
78  << "Your input was (" << matA.N << "x" << matA.N << ") * ("
79  << matB.M << "x" << matB.N << ")." << std::endl;
80  exit(1);
81  }
82 #endif//CPPL_DEBUG
83 
84  dgematrix newmat( matA.N, matB.N );
85  newmat.zero();
86 
87  long i, j, k;
88 #pragma omp parallel for private(j,k)
89  for(i=0; i<newmat.m; i++){
90  for(j=0; j<newmat.n; j++){
91  for(k=max(0,j-matB.KU); k<min(matB.M,j+matB.KL+1); k++){
92  newmat(i,j)+=matA(i,k)*matB(k,j);
93  }
94  }
95  }
96 
97  return _(newmat);
98 }
void zero()
Definition: dgematrix-misc.hpp:26
double max(double v1, double v2)
Return maximum.
Definition: variousFunctions.cpp:355
long const & m
matrix row size (readable)
Definition: dgematrix.hpp:14
long const & n
matrix column size (readable)
Definition: dgematrix.hpp:15
Real Double-precision General Dence Matrix Class.
Definition: dgematrix.hpp:3
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
Real Double-precision General Band Matrix Class.
Definition: dgbmatrix.hpp:3
friend _drovector operator*(const drovector &, const dgematrix &)
Definition: drovector-dgematrix.hpp:3
friend const _drovector & operator+(const _drovector &)
Definition: _drovector-unary.hpp:3