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Use more .noalias()

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This commit is contained in:
Markus Vieth
2025-03-17 19:32:43 +01:00
parent 14f845a1a8
commit 0259a52b0e
6 changed files with 15 additions and 14 deletions
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2
Eigen/src/LU/FullPivLU.h
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@@ -717,7 +717,7 @@ void FullPivLU<MatrixType_, PermutationIndex_>::_solve_impl(const RhsType& rhs,
// Step 2
m_lu.topLeftCorner(smalldim, smalldim).template triangularView<UnitLower>().solveInPlace(c.topRows(smalldim));
if (rows > cols) c.bottomRows(rows - cols) -= m_lu.bottomRows(rows - cols) * c.topRows(cols);
if (rows > cols) c.bottomRows(rows - cols).noalias() -= m_lu.bottomRows(rows - cols) * c.topRows(cols);
// Step 3
m_lu.topLeftCorner(nonzero_pivots, nonzero_pivots)