diff options
| -rw-r--r-- | Eigen/src/Core/VectorwiseOp.h | 11 | ||||
| -rw-r--r-- | test/array_reverse.cpp | 2 |
2 files changed, 10 insertions, 3 deletions
diff --git a/Eigen/src/Core/VectorwiseOp.h b/Eigen/src/Core/VectorwiseOp.h index 00a4a8c39..dd382e990 100644 --- a/Eigen/src/Core/VectorwiseOp.h +++ b/Eigen/src/Core/VectorwiseOp.h @@ -284,6 +284,7 @@ template<typename ExpressionType, int Direction> class VectorwiseOp typedef typename ReturnType<internal::member_any>::Type AnyReturnType; typedef PartialReduxExpr<ExpressionType, internal::member_count<Index>, Direction> CountReturnType; typedef typename ReturnType<internal::member_prod>::Type ProdReturnType; + typedef Reverse<const ExpressionType, Direction> ConstReverseReturnType; typedef Reverse<ExpressionType, Direction> ReverseReturnType; template<int p> struct LpNormReturnType { @@ -456,7 +457,15 @@ template<typename ExpressionType, int Direction> class VectorwiseOp * * \sa DenseBase::reverse() */ EIGEN_DEVICE_FUNC - const ReverseReturnType reverse() const + const ConstReverseReturnType reverse() const + { return ConstReverseReturnType( _expression() ); } + + /** \returns a writable matrix expression + * where each column (or row) are reversed. + * + * \sa reverse() const */ + EIGEN_DEVICE_FUNC + ReverseReturnType reverse() { return ReverseReturnType( _expression() ); } typedef Replicate<ExpressionType,(isVertical?Dynamic:1),(isHorizontal?Dynamic:1)> ReplicateReturnType; diff --git a/test/array_reverse.cpp b/test/array_reverse.cpp index a5c0d37f9..c9d9f90c3 100644 --- a/test/array_reverse.cpp +++ b/test/array_reverse.cpp @@ -117,13 +117,11 @@ template<typename MatrixType> void reverse(const MatrixType& m) m2.colwise().reverseInPlace(); VERIFY_IS_APPROX(m2,m1.colwise().reverse().eval()); - /* m1.colwise().reverse()(r, c) = x; VERIFY_IS_APPROX(x, m1(rows - 1 - r, c)); m1.rowwise().reverse()(r, c) = x; VERIFY_IS_APPROX(x, m1(r, cols - 1 - c)); - */ } void test_array_reverse() |