GitHub-Proxy/eigen
1
0
Fork 0
mirror of https://gitlab.com/libeigen/eigen.git synced 2025-05-02 16:54:10 +08:00
Code Issues Packages Projects Releases Wiki Activity

add definition of product_tag

Browse Source
This commit is contained in:
Gael Guennebaud 2013-11-29 16:18:22 +01:00
parent 5584275325
commit d331def6cc
1 changed files with 25 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

25
Eigen/src/Core/GeneralProduct.h
View File

@ -98,6 +98,31 @@ public:
#endif #endif
}; };
template<typename Lhs, typename Rhs> struct product_tag
{
private:
typedef typename remove_all<Lhs>::type _Lhs;
typedef typename remove_all<Rhs>::type _Rhs;
enum {
Rows = _Lhs::RowsAtCompileTime,
Cols = _Rhs::ColsAtCompileTime,
Depth = EIGEN_SIZE_MIN_PREFER_FIXED(_Lhs::ColsAtCompileTime, _Rhs::RowsAtCompileTime)
};
enum {
rows_select = Rows==1 ? int(Rows) : int(Large),
cols_select = Cols==1 ? int(Cols) : int(Large),
depth_select = Depth==1 ? int(Depth) : int(Large)
};
typedef product_type_selector<rows_select, cols_select, depth_select> selector;
public:
enum {
ret = selector::ret
};
};
/* The following allows to select the kind of product at compile time /* The following allows to select the kind of product at compile time
* based on the three dimensions of the product. * based on the three dimensions of the product.