more ET refactoring:

* extend Cwise for multiple storage base class
* a lot of cleaning in the Sparse module
This commit is contained in:
Gael Guennebaud
2009-11-17 16:04:19 +01:00
parent 63bcc1c0fb
commit 1e62e0b0d8
27 changed files with 180 additions and 552 deletions

View File

@@ -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;