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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
unsupported/Eigen/src/NonLinearOptimization/LevenbergMarquardt.h
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@@ -268,7 +268,7 @@ LevenbergMarquardtSpace::Status LevenbergMarquardt<FunctorType, Scalar>::minimiz
/* compute the scaled predicted reduction and */
/* the scaled directional derivative. */
wa3 = fjac.template triangularView<Upper>() * (qrfac.colsPermutation().inverse() * wa1);
wa3.noalias() = fjac.template triangularView<Upper>() * (qrfac.colsPermutation().inverse() * wa1);
temp1 = numext::abs2(wa3.stableNorm() / fnorm);
temp2 = numext::abs2(sqrt(par) * pnorm / fnorm);
prered = temp1 + temp2 / Scalar(.5);