devtools/eigen
1
0
Fork 0
mirror of https://gitlab.com/libeigen/eigen.git synced 2026-04-10 11:34:33 +08:00
Code Issues Packages Projects Releases Wiki Activity

* add ei_predux_mul internal function

Browse Source 
* apply Ricard Marxer's prod() patch with fixes for the vectorized path
This commit is contained in:
Gael Guennebaud
2009-02-10 18:06:05 +00:00
parent a0cc5fba0a
commit cbbc6d940b
12 changed files with 397 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

12
Eigen/src/Array/PartialRedux.h
View File

@@ -115,6 +115,8 @@ EIGEN_MEMBER_FUNCTOR(maxCoeff, (Size-1)*NumTraits<Scalar>::AddCost);
EIGEN_MEMBER_FUNCTOR(all, (Size-1)*NumTraits<Scalar>::AddCost);
EIGEN_MEMBER_FUNCTOR(any, (Size-1)*NumTraits<Scalar>::AddCost);
EIGEN_MEMBER_FUNCTOR(count, (Size-1)*NumTraits<Scalar>::AddCost);
EIGEN_MEMBER_FUNCTOR(prod, (Size-1)*NumTraits<Scalar>::MulCost);
/** \internal */
template <typename BinaryOp, typename Scalar>
@@ -257,6 +259,16 @@ template<typename ExpressionType, int Direction> class PartialRedux
* \sa MatrixBase::count() */
const PartialReduxExpr<ExpressionType, ei_member_count<int>, Direction> count() const
{ return _expression(); }
/** \returns a row (or column) vector expression of the product
* of each column (or row) of the referenced expression.
*
* Example: \include PartialRedux_prod.cpp
* Output: \verbinclude PartialRedux_prod.out
*
* \sa MatrixBase::prod() */
const typename ReturnType<ei_member_prod>::Type prod() const
{ return _expression(); }
/** \returns a matrix expression