diff options
| -rw-r--r-- | Eigen/src/Core/util/XprHelper.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/Eigen/src/Core/util/XprHelper.h b/Eigen/src/Core/util/XprHelper.h index 3926d3a6c..e3231c712 100644 --- a/Eigen/src/Core/util/XprHelper.h +++ b/Eigen/src/Core/util/XprHelper.h @@ -676,6 +676,14 @@ template<typename T> struct is_diagonal<DiagonalWrapper<T> > template<typename T, int S> struct is_diagonal<DiagonalMatrix<T,S> > { enum { ret = true }; }; + +template<typename T> struct is_identity +{ enum { value = false }; }; + +template<typename T> struct is_identity<CwiseNullaryOp<internal::scalar_identity_op<typename T::Scalar>, T> > +{ enum { value = true }; }; + + template<typename S1, typename S2> struct glue_shapes; template<> struct glue_shapes<DenseShape,TriangularShape> { typedef TriangularShape type; }; |