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Matrix square root can process 0 eigenvalue.

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Chen-Pang He 2013-06-24 23:57:57 +08:00
parent b9fc9d8f32
commit b9543ce237
1 changed files with 1 additions and 1 deletions
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unsupported/Eigen/src/MatrixFunctions/MatrixSquareRoot.h
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@ -94,7 +94,7 @@ void MatrixSquareRootQuasiTriangular<MatrixType>::computeDiagonalPartOfSqrt(Matr
const Index size = m_A.rows();
for (Index i = 0; i < size; i++) {
if (i == size - 1 || T.coeff(i+1, i) == 0) {
eigen_assert(T(i,i) > 0);
eigen_assert(T(i,i) >= 0);
sqrtT.coeffRef(i,i) = sqrt(T.coeff(i,i));
}
else {