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dgbmatrix-_dgematrix.hpp File Reference

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Functions

_dgematrix operator+ (const dgbmatrix &matA, const _dgematrix &matB)
 
_dgematrix operator- (const dgbmatrix &matA, const _dgematrix &matB)
 
_dgematrix operator* (const dgbmatrix &matA, const _dgematrix &matB)
 

Function Documentation

_dgematrix operator+ ( const dgbmatrix matA,
const _dgematrix matB 
)
inline

dgbmatrix+_dgematrix operator

Definition at line 3 of file dgbmatrix-_dgematrix.hpp.

References i(), dgbmatrix::kl, dgbmatrix::ku, _dgematrix::m, dgbmatrix::m, dgbmatrix::n, and _dgematrix::n.

4 {CPPL_VERBOSE_REPORT;
5 #ifdef CPPL_DEBUG
6  if(matA.n!=matB.n || matA.m!=matB.m){
7  ERROR_REPORT;
8  std::cerr << "These two matrises can not make a summation." << std::endl
9  << "Your input was (" << matA.m << "x" << matA.n << ") + (" << matB.m << "x" << matB.n << ")." << std::endl;
10  exit(1);
11  }
12 #endif//CPPL_DEBUG
13 
14  for(CPPL_INT i=0; i<matA.m; i++){
15  const CPPL_INT jmax =std::min(matA.n,i+matA.ku+1);
16  for(CPPL_INT j=std::max(CPPL_INT(0),i-matA.kl); j<jmax; j++){
17  matB(i,j) += matA(i,j);
18  }
19  }
20 
21  return matB;
22 }
CPPL_INT m
matrix row size
Definition: dgbmatrix.hpp:9
_dgematrix i(const _dgbmatrix &mat)
CPPL_INT kl
lower band width
Definition: dgbmatrix.hpp:11
CPPL_INT ku
upper band width
Definition: dgbmatrix.hpp:12
CPPL_INT m
matrix row size
Definition: _dgematrix.hpp:9
CPPL_INT n
matrix column size
Definition: _dgematrix.hpp:10
CPPL_INT n
matrix column size
Definition: dgbmatrix.hpp:10
_dgematrix operator- ( const dgbmatrix matA,
const _dgematrix matB 
)
inline

dgbmatrix-_dgematrix operator

Definition at line 26 of file dgbmatrix-_dgematrix.hpp.

References _dgematrix::array, i(), dgbmatrix::kl, dgbmatrix::ku, _dgematrix::m, dgbmatrix::m, dgbmatrix::n, and _dgematrix::n.

27 {CPPL_VERBOSE_REPORT;
28 #ifdef CPPL_DEBUG
29  if(matA.n!=matB.n || matA.m!=matB.m){
30  ERROR_REPORT;
31  std::cerr << "These two matrises can not make a summation." << std::endl
32  << "Your input was (" << matA.m << "x" << matA.n << ") + (" << matB.m << "x" << matB.n << ")." << std::endl;
33  exit(1);
34  }
35 #endif//CPPL_DEBUG
36 
37  //// change sign ////
38  for(CPPL_INT i=0; i<matB.m*matB.n; i++){
39  matB.array[i]=-matB.array[i];
40  }
41 
42  //// add ////
43  for(CPPL_INT i=0; i<matA.m; i++){
44  const CPPL_INT jmax =std::min(matA.n,i+matA.ku+1);
45  for(CPPL_INT j=std::max(CPPL_INT(0),i-matA.kl); j<jmax; j++){
46  matB(i,j) += matA(i,j);
47  }
48  }
49 
50  return matB;
51 }
CPPL_INT m
matrix row size
Definition: dgbmatrix.hpp:9
_dgematrix i(const _dgbmatrix &mat)
CPPL_INT kl
lower band width
Definition: dgbmatrix.hpp:11
CPPL_INT ku
upper band width
Definition: dgbmatrix.hpp:12
CPPL_INT m
matrix row size
Definition: _dgematrix.hpp:9
double * array
1D array to store matrix data
Definition: _dgematrix.hpp:11
CPPL_INT n
matrix column size
Definition: _dgematrix.hpp:10
CPPL_INT n
matrix column size
Definition: dgbmatrix.hpp:10
_dgematrix operator* ( const dgbmatrix matA,
const _dgematrix matB 
)
inline

dgbmatrix*_dgematrix operator

Definition at line 55 of file dgbmatrix-_dgematrix.hpp.

References _(), _dgematrix::destroy(), i(), dgbmatrix::kl, dgbmatrix::ku, dgbmatrix::m, dgematrix::m, _dgematrix::m, _dgematrix::n, dgbmatrix::n, dgematrix::n, and dgematrix::zero().

56 {CPPL_VERBOSE_REPORT;
57 #ifdef CPPL_DEBUG
58  if(matA.n!=matB.m){
59  ERROR_REPORT;
60  std::cerr << "These two matrises can not make a product." << std::endl
61  << "Your input was (" << matA.m << "x" << matA.n << ") * (" << matB.m << "x" << matB.n << ")." << std::endl;
62  exit(1);
63  }
64 #endif//CPPL_DEBUG
65 
66  dgematrix newmat( matA.m, matB.n );
67  newmat.zero();
68 
69  for(CPPL_INT i=0; i<newmat.m; i++){
70  for(CPPL_INT j=0; j<newmat.n; j++){
71  const CPPL_INT kmax =std::min(matA.n,i+matA.ku+1);
72  for(CPPL_INT k=std::max(CPPL_INT(0),i-matA.kl); k<kmax; k++){
73  newmat(i,j) += matA(i,k)*matB(k,j);
74  }
75  }
76  }
77 
78  matB.destroy();
79  return _(newmat);
80 }
CPPL_INT m
matrix row size
Definition: dgbmatrix.hpp:9
_dgematrix i(const _dgbmatrix &mat)
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
CPPL_INT m
matrix row size
Definition: _dgematrix.hpp:9
CPPL_INT n
matrix column size
Definition: _dgematrix.hpp:10
void destroy() const
CPPL_INT n
matrix column size
Definition: dgbmatrix.hpp:10
_dcovector _(dcovector &vec)