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work around stupid msvc error when constructing at compile time an expression

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that involves a division by zero, even if the numeric type has floating point
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Benoit Jacob
2010-10-19 21:56:11 -04:00
parent e5073746f3
commit 9044c98cff
2 changed files with 17 additions and 2 deletions
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3
Eigen/src/SVD/JacobiSVD.h
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@@ -239,6 +239,9 @@ struct ei_qr_preconditioner_impl<MatrixType, HouseholderQRPreconditioner, Precon
* \a p is the greater dimension, meaning that it is still of the same order of complexity as the faster bidiagonalizing R-SVD algorithms.
* In particular, like any R-SVD, it takes advantage of non-squareness in that its complexity is only linear in the greater dimension.
*
* If the input matrix has inf or nan coefficients, the result of the computation is undefined, but the computation is guaranteed to
* terminate in finite (and reasonable) time.
*
* The possible values for QRPreconditioner are:
* \li ColPivHouseholderQRPreconditioner is the default. In practice it's very safe. It uses column-pivoting QR.
* \li FullPivHouseholderQRPreconditioner, is the safest and slowest. It uses full-pivoting QR.