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-rw-r--r--Eigen/src/Core/TriangularMatrix.h4
1 files changed, 2 insertions, 2 deletions
diff --git a/Eigen/src/Core/TriangularMatrix.h b/Eigen/src/Core/TriangularMatrix.h
index 5e97e4052..8454e1f3d 100644
--- a/Eigen/src/Core/TriangularMatrix.h
+++ b/Eigen/src/Core/TriangularMatrix.h
@@ -793,7 +793,7 @@ MatrixBase<Derived>::triangularView() const
* \sa isLowerTriangular()
*/
template<typename Derived>
-bool MatrixBase<Derived>::isUpperTriangular(RealScalar prec) const
+bool MatrixBase<Derived>::isUpperTriangular(const RealScalar& prec) const
{
RealScalar maxAbsOnUpperPart = static_cast<RealScalar>(-1);
for(Index j = 0; j < cols(); ++j)
@@ -818,7 +818,7 @@ bool MatrixBase<Derived>::isUpperTriangular(RealScalar prec) const
* \sa isUpperTriangular()
*/
template<typename Derived>
-bool MatrixBase<Derived>::isLowerTriangular(RealScalar prec) const
+bool MatrixBase<Derived>::isLowerTriangular(const RealScalar& prec) const
{
RealScalar maxAbsOnLowerPart = static_cast<RealScalar>(-1);
for(Index j = 0; j < cols(); ++j)