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| author |  Hauke Heibel <hauke.heibel@gmail.com> | 2009-10-29 19:56:58 +0100 |
|---|---|---|
| committer | Hauke Heibel <hauke.heibel@gmail.com> | 2009-10-29 19:56:58 +0100 |
| commit | c70a603e342e486f6c534f9fa3fc2c5d5f3aa7f8 (patch) | |
| tree | ee54a7e25dff6c17c0a186f12aa80e285e4c8f9b /Eigen/src/Array/VectorwiseOp.h | |
| parent | e513cc75c4661d490ccb425068740458f3483961 (diff) | |
added mean() reduction
Diffstat (limited to 'Eigen/src/Array/VectorwiseOp.h')
| -rw-r--r-- | Eigen/src/Array/VectorwiseOp.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/Eigen/src/Array/VectorwiseOp.h b/Eigen/src/Array/VectorwiseOp.h index 4cb0083fa..6f6c2c8a7 100644 --- a/Eigen/src/Array/VectorwiseOp.h +++ b/Eigen/src/Array/VectorwiseOp.h @@ -122,6 +122,7 @@ class PartialReduxExpr : ei_no_assignment_operator, EIGEN_MEMBER_FUNCTOR(squaredNorm, Size * NumTraits<Scalar>::MulCost + (Size-1)*NumTraits<Scalar>::AddCost); EIGEN_MEMBER_FUNCTOR(norm, (Size+5) * NumTraits<Scalar>::MulCost + (Size-1)*NumTraits<Scalar>::AddCost); EIGEN_MEMBER_FUNCTOR(sum, (Size-1)*NumTraits<Scalar>::AddCost); +EIGEN_MEMBER_FUNCTOR(mean, (Size-1)*NumTraits<Scalar>::AddCost); EIGEN_MEMBER_FUNCTOR(minCoeff, (Size-1)*NumTraits<Scalar>::AddCost); EIGEN_MEMBER_FUNCTOR(maxCoeff, (Size-1)*NumTraits<Scalar>::AddCost); EIGEN_MEMBER_FUNCTOR(all, (Size-1)*NumTraits<Scalar>::AddCost); @@ -297,6 +298,13 @@ template<typename ExpressionType, int Direction> class VectorwiseOp const typename ReturnType<ei_member_sum>::Type sum() const { return _expression(); } + /** \returns a row (or column) vector expression of the mean + * of each column (or row) of the referenced expression. + * + * \sa MatrixBase::mean() */ + const typename ReturnType<ei_member_mean>::Type mean() const + { return _expression(); } + /** \returns a row (or column) vector expression representing * whether \b all coefficients of each respective column (or row) are \c true. * |