diff options
| author |  Gael Guennebaud <g.gael@free.fr> | 2015-10-18 22:15:01 +0200 |
|---|---|---|
| committer | Gael Guennebaud <g.gael@free.fr> | 2015-10-18 22:15:01 +0200 |
| commit | fe630c98739186c1dd3faf7a06b52a64baa5ea23 (patch) | |
| tree | dee931dcbc4ddbc803b5ed25e7316cbd01267a2f /Eigen/src/Cholesky | |
| parent | e99279f444232c81901a84b4d15dae5fcf6d7d37 (diff) | |
Improve numerical accuracy in LLT and triangular solve by using true scalar divisions (instead of x * (1/y))
Diffstat (limited to 'Eigen/src/Cholesky')
| -rw-r--r-- | Eigen/src/Cholesky/LLT.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/Eigen/src/Cholesky/LLT.h b/Eigen/src/Cholesky/LLT.h index dc73304e8..1f0091f3c 100644 --- a/Eigen/src/Cholesky/LLT.h +++ b/Eigen/src/Cholesky/LLT.h @@ -285,7 +285,7 @@ template<typename Scalar> struct llt_inplace<Scalar, Lower> return k; mat.coeffRef(k,k) = x = sqrt(x); if (k>0 && rs>0) A21.noalias() -= A20 * A10.adjoint(); - if (rs>0) A21 *= RealScalar(1)/x; + if (rs>0) A21 /= x; } return -1; } |