Geant4  10.00.p02
G4ErrorSymMatrix.icc
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26 // $Id: G4ErrorSymMatrix.icc 66892 2013-01-17 10:57:59Z gunter $
27 //
28 // ------------------------------------------------------------
29 // GEANT 4 class inline implementation
30 // ------------------------------------------------------------
31 
32 
33 inline G4ErrorSymMatrix::G4ErrorSymMatrix()
34  : m(0), nrow(0), size(0)
35 {
36 }
37 
38 inline G4int G4ErrorSymMatrix::num_row() const
39 {
40  return nrow;
41 }
42 
43 inline G4int G4ErrorSymMatrix::num_col() const
44 {
45  return nrow;
46 }
47 
48 inline G4int G4ErrorSymMatrix::num_size() const
49 {
50  return size;
51 }
52 
53 inline G4double & G4ErrorSymMatrix::fast(G4int row,G4int col)
54 {
55  return *(m.begin()+(row*(row-1))/2+(col-1));
56 }
57 
58 inline const G4double & G4ErrorSymMatrix::fast(G4int row,G4int col) const
59 {
60  return *(m.begin()+(row*(row-1))/2+(col-1));
61 }
62 
63 inline G4double &
64 G4ErrorSymMatrix::operator()(G4int row, G4int col)
65 {
66  return (row>=col? fast(row,col) : fast(col,row));
67 }
68 
69 inline const G4double &
70 G4ErrorSymMatrix::operator()(G4int row, G4int col) const
71 {
72  return (row>=col? fast(row,col) : fast(col,row));
73 }
74 
75 inline void G4ErrorSymMatrix::assign(const G4ErrorSymMatrix &mat)
76 {
77  (*this)=mat;
78 }
79 
80 inline G4ErrorSymMatrix G4ErrorSymMatrix::T() const
81 {
82  return G4ErrorSymMatrix(*this);
83 }
84 
85 inline G4ErrorSymMatrix::G4ErrorSymMatrix_row
86 G4ErrorSymMatrix::operator[] (G4int r)
87 {
88  G4ErrorSymMatrix_row b(*this,r);
89  return b;
90 }
91 
92 inline G4ErrorSymMatrix::G4ErrorSymMatrix_row_const
93 G4ErrorSymMatrix::operator[] (G4int r) const
94 {
95  const G4ErrorSymMatrix_row_const b(*this,r);
96  return b;
97 }
98 
99 inline G4double &G4ErrorSymMatrix::G4ErrorSymMatrix_row::operator[](G4int c)
100 {
101  if (_r >= c )
102  {
103  return *(_a.m.begin() + (_r+1)*_r/2 + c);
104  }
105  else
106  {
107  return *(_a.m.begin() + (c+1)*c/2 + _r);
108  }
109 }
110 
111 inline const G4double &
112 G4ErrorSymMatrix::G4ErrorSymMatrix_row_const::operator[](G4int c) const
113 {
114  if (_r >= c )
115  {
116  return *(_a.m.begin() + (_r+1)*_r/2 + c);
117  }
118  else
119  {
120  return *(_a.m.begin() + (c+1)*c/2 + _r);
121  }
122 }
123 
124 inline G4ErrorSymMatrix::
125 G4ErrorSymMatrix_row::G4ErrorSymMatrix_row(G4ErrorSymMatrix &a, G4int r)
126  : _a(a), _r(r)
127 {}
128 
129 inline G4ErrorSymMatrix::
130 G4ErrorSymMatrix_row_const::G4ErrorSymMatrix_row_const
131 (const G4ErrorSymMatrix&a,G4int r)
132  : _a(a), _r(r)
133 {}
134 
135 inline G4ErrorSymMatrix G4ErrorSymMatrix::inverse(G4int &ifail) const
136 {
137  G4ErrorSymMatrix mTmp(*this);
138  mTmp.invert(ifail);
139  return mTmp;
140 }