devtools/eigen
1
0
Fork 0
mirror of https://gitlab.com/libeigen/eigen.git synced 2026-04-10 11:34:33 +08:00
Code Issues Packages Projects Releases Wiki Activity

Optimization: enable cache-efficient application of HouseholderSequence.

Browse Source
This commit is contained in:
Gael Guennebaud
2014-09-04 09:15:59 +02:00
parent 80993b95d3
commit 8846aa6d1b
4 changed files with 89 additions and 28 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
Eigen/src/SVD/UpperBidiagonalization.h
View File

@@ -215,10 +215,10 @@ void upperbidiagonalization_blocked_helper(MatrixType& A,
if(k) u_k -= U_k1.adjoint() * X.row(k).head(k).adjoint();
}
// 5 - construct right Householder transform in-placecols
// 5 - construct right Householder transform in-place
u_k.makeHouseholderInPlace(tau_u, upper_diagonal[k]);
// this eases the application of Householder transforAions
// this eases the application of Householder transformations
// A(k,k+1) will store tau_u later
A(k,k+1) = Scalar(1);