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authorGravatar Gael Guennebaud <g.gael@free.fr>2012-11-06 15:25:50 +0100
committerGravatar Gael Guennebaud <g.gael@free.fr>2012-11-06 15:25:50 +0100
commita76fbbf39777827200455477a9e3557b6063913f (patch)
tree6a03f8fcb163fa2c3dc2267c52fd1204f5490309 /unsupported/Eigen/src/IterativeSolvers/IncompleteCholesky.h
parent959ef37006e60f68b9a9e667bf9da2e14eb0e8af (diff)
Fix bug #314:
- remove most of the metaprogramming kung fu in MathFunctions.h (only keep functions that differs from the std) - remove the overloads for array expression that were in the std namespace
Diffstat (limited to 'unsupported/Eigen/src/IterativeSolvers/IncompleteCholesky.h')
-rw-r--r--unsupported/Eigen/src/IterativeSolvers/IncompleteCholesky.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/unsupported/Eigen/src/IterativeSolvers/IncompleteCholesky.h b/unsupported/Eigen/src/IterativeSolvers/IncompleteCholesky.h
index 5bc41c0f8..746d29473 100644
--- a/unsupported/Eigen/src/IterativeSolvers/IncompleteCholesky.h
+++ b/unsupported/Eigen/src/IterativeSolvers/IncompleteCholesky.h
@@ -116,6 +116,7 @@ template<typename Scalar, int _UpLo, typename OrderingType>
template<typename _MatrixType>
void IncompleteCholesky<Scalar,_UpLo, OrderingType>::factorize(const _MatrixType& mat)
{
+ using std::sqrt;
eigen_assert(m_analysisIsOk && "analyzePattern() should be called first");
// FIXME Stability: We should probably compute the scaling factors and the shifts that are needed to ensure a succesful LLT factorization and an efficient preconditioner.
@@ -182,7 +183,7 @@ void IncompleteCholesky<Scalar,_UpLo, OrderingType>::factorize(const _MatrixType
m_info = NumericalIssue;
return;
}
- RealScalar rdiag = internal::sqrt(RealScalar(diag));
+ RealScalar rdiag = sqrt(RealScalar(diag));
Scalar scal = Scalar(1)/rdiag;
vals[colPtr[j]] = rdiag;
// Insert the largest p elements in the matrix and scale them meanwhile