| 121 | } |
| 122 | |
| 123 | vtkArray* vtkDiagonalMatrixSource::GenerateSparseArray() |
| 124 | { |
| 125 | vtkSparseArray<double>* const array = vtkSparseArray<double>::New(); |
| 126 | array->Resize(vtkArrayExtents::Uniform(2, this->Extents)); |
| 127 | array->SetDimensionLabel(0, this->RowLabel); |
| 128 | array->SetDimensionLabel(1, this->ColumnLabel); |
| 129 | |
| 130 | if (this->Diagonal != 0.0) |
| 131 | { |
| 132 | for (vtkIdType i = 0; i != this->Extents; ++i) |
| 133 | array->AddValue(vtkArrayCoordinates(i, i), this->Diagonal); |
| 134 | } |
| 135 | |
| 136 | if (this->SuperDiagonal != 0.0) |
| 137 | { |
| 138 | for (vtkIdType i = 0; i + 1 != this->Extents; ++i) |
| 139 | array->AddValue(vtkArrayCoordinates(i, i + 1), this->SuperDiagonal); |
| 140 | } |
| 141 | |
| 142 | if (this->SubDiagonal != 0.0) |
| 143 | { |
| 144 | for (vtkIdType i = 0; i + 1 != this->Extents; ++i) |
| 145 | array->AddValue(vtkArrayCoordinates(i + 1, i), this->SubDiagonal); |
| 146 | } |
| 147 | |
| 148 | return array; |
| 149 | } |
| 150 | VTK_ABI_NAMESPACE_END |
no test coverage detected