\returns the tolerance error reached during the last solve. * It is a close approximation of the true relative residual error |Ax-b|/|b|. */
| 105 | * It is a close approximation of the true relative residual error |Ax-b|/|b|. |
| 106 | */ |
| 107 | RealScalar error() const |
| 108 | { |
| 109 | CUMAT_ASSERT(initialized_ && "Iterative Solver is not initialized."); |
| 110 | return error_; |
| 111 | } |
| 112 | |
| 113 | /** \returns the solution x of \f$ A x = b \f$ using the current decomposition of A |
| 114 | * and \a x0 as an initial solution. |
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