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Diffstat (limited to 'Eigen/src/Core/DiagonalMatrix.h')
| -rw-r--r-- | Eigen/src/Core/DiagonalMatrix.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/Eigen/src/Core/DiagonalMatrix.h b/Eigen/src/Core/DiagonalMatrix.h index f27ab798a..da0264b0e 100644 --- a/Eigen/src/Core/DiagonalMatrix.h +++ b/Eigen/src/Core/DiagonalMatrix.h @@ -20,6 +20,7 @@ class DiagonalBase : public EigenBase<Derived> public: typedef typename internal::traits<Derived>::DiagonalVectorType DiagonalVectorType; typedef typename DiagonalVectorType::Scalar Scalar; + typedef typename DiagonalVectorType::RealScalar RealScalar; typedef typename internal::traits<Derived>::StorageKind StorageKind; typedef typename internal::traits<Derived>::Index Index; @@ -65,6 +66,17 @@ class DiagonalBase : public EigenBase<Derived> return diagonal().cwiseInverse(); } + inline const DiagonalWrapper<const CwiseUnaryOp<internal::scalar_multiple_op<Scalar>, const DiagonalVectorType> > + operator*(const Scalar& scalar) const + { + return diagonal() * scalar; + } + friend inline const DiagonalWrapper<const CwiseUnaryOp<internal::scalar_multiple_op<Scalar>, const DiagonalVectorType> > + operator*(const Scalar& scalar, const DiagonalBase& other) + { + return other.diagonal() * scalar; + } + #ifdef EIGEN2_SUPPORT template<typename OtherDerived> bool isApprox(const DiagonalBase<OtherDerived>& other, typename NumTraits<Scalar>::Real precision = NumTraits<Scalar>::dummy_precision()) const |