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

Added ArrayBit to get the ability to manipulate a Matrix like a simple scalar.

Browse Source 
In particular this flag changes the behavior of operator* to a coeff wise product.
This commit is contained in:
Gael Guennebaud
2008-05-29 22:33:07 +00:00
parent b501e08d81
commit e2ac5d244e
7 changed files with 78 additions and 20 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
Eigen/src/Core/util/Meta.h
View File

@@ -202,8 +202,8 @@ template<typename T, int n=1> struct ei_nested
ei_must_nest_by_value<T>::ret,
T,
typename ei_meta_if<
int(ei_traits<T>::Flags) & EvalBeforeNestingBit
|| (n+1) * int(NumTraits<typename ei_traits<T>::Scalar>::ReadCost) < (n-1) * int(T::CoeffReadCost),
(int(ei_traits<T>::Flags) & EvalBeforeNestingBit)
|| ((n+1) * int(NumTraits<typename ei_traits<T>::Scalar>::ReadCost) < (n-1) * int(T::CoeffReadCost)),
typename ei_eval<T>::type,
const T&
>::ret