mirror of
https://gitlab.com/libeigen/eigen.git
synced 2026-04-10 11:34:33 +08:00
more ET refactoring:
* extend Cwise for multiple storage base class * a lot of cleaning in the Sparse module
This commit is contained in:
@@ -25,16 +25,9 @@
|
||||
#ifndef EIGEN_SPARSEPRODUCT_H
|
||||
#define EIGEN_SPARSEPRODUCT_H
|
||||
|
||||
template<typename Lhs, typename Rhs> struct ei_sparse_product_mode
|
||||
{
|
||||
enum {
|
||||
|
||||
value = (Rhs::Flags&Lhs::Flags&SparseBit)==SparseBit
|
||||
? SparseTimeSparseProduct
|
||||
: (Lhs::Flags&SparseBit)==SparseBit
|
||||
? SparseTimeDenseProduct
|
||||
: DenseTimeSparseProduct };
|
||||
};
|
||||
template<typename Lhs, typename Rhs> struct ei_sparse_product_mode<Lhs,Rhs,Sparse,Sparse> { enum { value = SparseTimeSparseProduct }; };
|
||||
template<typename Lhs, typename Rhs> struct ei_sparse_product_mode<Lhs,Rhs,Dense, Sparse> { enum { value = DenseTimeSparseProduct }; };
|
||||
template<typename Lhs, typename Rhs> struct ei_sparse_product_mode<Lhs,Rhs,Sparse,Dense> { enum { value = SparseTimeDenseProduct }; };
|
||||
|
||||
template<typename Lhs, typename Rhs, int ProductMode>
|
||||
struct SparseProductReturnType
|
||||
@@ -91,13 +84,10 @@ struct ei_traits<SparseProduct<LhsNested, RhsNested, ProductMode> >
|
||||
MaxRowsAtCompileTime = _LhsNested::MaxRowsAtCompileTime,
|
||||
MaxColsAtCompileTime = _RhsNested::MaxColsAtCompileTime,
|
||||
|
||||
// LhsIsRowMajor = (LhsFlags & RowMajorBit)==RowMajorBit,
|
||||
// RhsIsRowMajor = (RhsFlags & RowMajorBit)==RowMajorBit,
|
||||
|
||||
EvalToRowMajor = (RhsFlags & LhsFlags & RowMajorBit),
|
||||
ResultIsSparse = ProductMode==SparseTimeSparseProduct,
|
||||
|
||||
RemovedBits = ~( (EvalToRowMajor ? 0 : RowMajorBit) | (ResultIsSparse ? 0 : SparseBit) ),
|
||||
RemovedBits = ~(EvalToRowMajor ? 0 : RowMajorBit),
|
||||
|
||||
Flags = (int(LhsFlags | RhsFlags) & HereditaryBits & RemovedBits)
|
||||
| EvalBeforeAssigningBit
|
||||
@@ -106,6 +96,8 @@ struct ei_traits<SparseProduct<LhsNested, RhsNested, ProductMode> >
|
||||
CoeffReadCost = Dynamic
|
||||
};
|
||||
|
||||
typedef typename ei_meta_if<ResultIsSparse, Sparse, Dense>::ret StorageType;
|
||||
|
||||
typedef typename ei_meta_if<ResultIsSparse,
|
||||
SparseMatrixBase<SparseProduct<LhsNested, RhsNested, ProductMode> >,
|
||||
MatrixBase<SparseProduct<LhsNested, RhsNested, ProductMode> > >::ret Base;
|
||||
|
||||
Reference in New Issue
Block a user