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_dsymatrix-dgbmatrix.hpp
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1 //=============================================================================
2 /*! _dsymatrix+dgbmatrix operator */
3 inline _dgematrix operator+(const _dsymatrix& matA, const dgbmatrix& matB)
4 {CPPL_VERBOSE_REPORT;
5 #ifdef CPPL_DEBUG
6  if(matA.n!=matB.n || matA.n!=matB.m){
7  ERROR_REPORT;
8  std::cerr << "These two matrises can not make a summation." << std::endl
9  << "Your input was (" << matA.n << "x" << matA.n << ") + (" << matB.m << "x" << matB.n << ")." << std::endl;
10  exit(1);
11  }
12 #endif//CPPL_DEBUG
13 
14  dgematrix newmat(matA.n, matA.n);
15 
16  for(CPPL_INT i=0; i<matB.m; i++){
17  for(CPPL_INT j=i; j<matA.n; j++){
18  newmat(i,j) = newmat(j,i) = matA(i,j);
19  }
20  const CPPL_INT jmax =std::min(matB.n,i+matB.ku+1);
21  for(CPPL_INT j=std::max(CPPL_INT(0),i-matB.kl); j<jmax; j++){
22  newmat(i,j)+=matB(i,j);
23  }
24  }
25 
26  matA.destroy();
27  return _(newmat);
28 }
29 
30 //=============================================================================
31 /*! _dsymatrix-dgbmatrix operator */
32 inline _dgematrix operator-(const _dsymatrix& matA, const dgbmatrix& matB)
33 {CPPL_VERBOSE_REPORT;
34 #ifdef CPPL_DEBUG
35  if(matA.n!=matB.n || matA.n!=matB.m){
36  ERROR_REPORT;
37  std::cerr << "These two matrises can not make a summation." << std::endl
38  << "Your input was (" << matA.n << "x" << matA.n << ") + (" << matB.m << "x" << matB.n << ")." << std::endl;
39  exit(1);
40  }
41 #endif//CPPL_DEBUG
42 
43  dgematrix newmat(matA.n, matA.n);
44 
45  for(CPPL_INT i=0; i<matB.m; i++){
46  for(CPPL_INT j=i; j<matA.n; j++){
47  newmat(i,j) = newmat(j,i) = matA(i,j);
48  }
49  const CPPL_INT jmax =std::min(matB.n,i+matB.ku+1);
50  for(CPPL_INT j=std::max(CPPL_INT(0),i-matB.kl); j<jmax; j++){
51  newmat(i,j)-=matB(i,j);
52  }
53  }
54 
55  matA.destroy();
56  return _(newmat);
57 }
58 
59 //=============================================================================
60 /*! _dgematrix*dgbmatrix operator */
61 inline _dgematrix operator*(const _dsymatrix& matA, const dgbmatrix& matB)
62 {CPPL_VERBOSE_REPORT;
63 #ifdef CPPL_DEBUG
64  if(matA.n!=matB.m){
65  ERROR_REPORT;
66  std::cerr << "These two matrises can not make a product." << std::endl
67  << "Your input was (" << matA.n << "x" << matA.n << ") * (" << matB.m << "x" << matB.n << ")." << std::endl;
68  exit(1);
69  }
70 #endif//CPPL_DEBUG
71 
72  dgematrix newmat( matA.n, matB.n );
73  newmat.zero();
74 
75  for(CPPL_INT i=0; i<newmat.m; i++){
76  for(CPPL_INT j=0; j<newmat.n; j++){
77  const CPPL_INT kmax =std::min(matB.m,j+matB.kl+1);
78  for(CPPL_INT k=std::max(CPPL_INT(0),j-matB.ku); k<kmax; k++){
79  newmat(i,j) +=matA(i,k)*matB(k,j);
80  }
81  }
82  }
83 
84  matA.destroy();
85  return _(newmat);
86 }
CPPL_INT m
matrix row size
Definition: dgbmatrix.hpp:9
CPPL_INT m
matrix row size
Definition: dgematrix.hpp:9
void destroy() const
_dgematrix operator-(const _dsymatrix &matA, const dgbmatrix &matB)
dgematrix & zero()
_dgematrix i(const _dgbmatrix &mat)
_dgematrix operator*(const _dsymatrix &matA, const dgbmatrix &matB)
CPPL_INT n
matrix column size
Definition: dgematrix.hpp:10
Real Double-precision General Dence Matrix Class.
Definition: dgematrix.hpp:3
CPPL_INT kl
lower band width
Definition: dgbmatrix.hpp:11
CPPL_INT ku
upper band width
Definition: dgbmatrix.hpp:12
_dgematrix operator+(const _dsymatrix &matA, const dgbmatrix &matB)
(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
(DO NOT USE) Smart-temporary Real Double-precision Symmetric Matrix Class
Definition: _dsymatrix.hpp:3
CPPL_INT n
matrix column size
Definition: dgbmatrix.hpp:10
CPPL_INT n
matrix column size
Definition: _dsymatrix.hpp:11
_dcovector _(dcovector &vec)