From e3d890bc5a89798eff50ff6650292b4fa934f72e Mon Sep 17 00:00:00 2001
From: Gael Guennebaud <g.gael@free.fr>
Date: Wed, 18 Nov 2009 18:15:19 +0100
Subject: Another big refactoring change: * add a new Eigen2Support module
 including Cwise, Flagged, and some other deprecated stuff * add a few
 cwiseXxx functions * adapt a few modules to use cwiseXxx instead of the
 .cwise() prefix

---
 Eigen/src/Core/DiagonalMatrix.h | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'Eigen/src/Core/DiagonalMatrix.h')

diff --git a/Eigen/src/Core/DiagonalMatrix.h b/Eigen/src/Core/DiagonalMatrix.h
index 1dec82229..6f93737ff 100644
--- a/Eigen/src/Core/DiagonalMatrix.h
+++ b/Eigen/src/Core/DiagonalMatrix.h
@@ -68,6 +68,12 @@ class DiagonalBase : public AnyMatrixBase<Derived>
     template<typename MatrixDerived>
     const DiagonalProduct<MatrixDerived, Derived, OnTheLeft>
     operator*(const MatrixBase<MatrixDerived> &matrix) const;
+
+    inline const DiagonalWrapper<NestByValue<CwiseUnaryOp<ei_scalar_inverse_op<Scalar>, DiagonalVectorType> > >
+    inverse() const
+    {
+      return diagonal().cwiseInverse().nestByValue();
+    }
 };
 
 template<typename Derived>
-- 
cgit v1.2.3