Call product_generic_impl by default, and remove lot of boilerplate code

This commit is contained in:
Gael Guennebaud
2014-07-31 13:35:49 +02:00
parent cd0ff253ec
commit bae2e3327b
11 changed files with 223 additions and 241 deletions

View File

@@ -410,44 +410,6 @@ struct generic_product_impl<Lhs, Rhs, DenseShape, SparseShape, ProductType>
}
};
template<typename Lhs, typename Rhs, int ProductTag>
struct product_evaluator<Product<Lhs, Rhs, DefaultProduct>, ProductTag, SparseShape, DenseShape, typename Lhs::Scalar, typename Rhs::Scalar>
: public evaluator<typename Product<Lhs, Rhs, DefaultProduct>::PlainObject>::type
{
typedef Product<Lhs, Rhs, DefaultProduct> XprType;
typedef typename XprType::PlainObject PlainObject;
typedef typename evaluator<PlainObject>::type Base;
product_evaluator(const XprType& xpr)
: m_result(xpr.rows(), xpr.cols())
{
::new (static_cast<Base*>(this)) Base(m_result);
generic_product_impl<Lhs, Rhs, SparseShape, DenseShape, ProductTag>::evalTo(m_result, xpr.lhs(), xpr.rhs());
}
protected:
PlainObject m_result;
};
template<typename Lhs, typename Rhs, int ProductTag>
struct product_evaluator<Product<Lhs, Rhs, DefaultProduct>, ProductTag, DenseShape, SparseShape, typename Lhs::Scalar, typename Rhs::Scalar>
: public evaluator<typename Product<Lhs, Rhs, DefaultProduct>::PlainObject>::type
{
typedef Product<Lhs, Rhs, DefaultProduct> XprType;
typedef typename XprType::PlainObject PlainObject;
typedef typename evaluator<PlainObject>::type Base;
product_evaluator(const XprType& xpr)
: m_result(xpr.rows(), xpr.cols())
{
::new (static_cast<Base*>(this)) Base(m_result);
generic_product_impl<Lhs, Rhs, DenseShape, SparseShape, ProductTag>::evalTo(m_result, xpr.lhs(), xpr.rhs());
}
protected:
PlainObject m_result;
};
template<typename LhsT, typename RhsT, bool Transpose>
struct sparse_dense_outer_product_evaluator
{
@@ -530,7 +492,7 @@ protected:
// sparse * dense outer product
template<typename Lhs, typename Rhs>
struct product_evaluator<Product<Lhs, Rhs, DefaultProduct>, OuterProduct, SparseShape, DenseShape, typename Lhs::Scalar, typename Rhs::Scalar>
struct product_evaluator<Product<Lhs, Rhs, DefaultProduct>, OuterProduct, SparseShape, DenseShape, typename traits<Lhs>::Scalar, typename traits<Rhs>::Scalar>
: sparse_dense_outer_product_evaluator<Lhs,Rhs, Lhs::IsRowMajor>
{
typedef sparse_dense_outer_product_evaluator<Lhs,Rhs, Lhs::IsRowMajor> Base;
@@ -545,7 +507,7 @@ struct product_evaluator<Product<Lhs, Rhs, DefaultProduct>, OuterProduct, Sparse
};
template<typename Lhs, typename Rhs>
struct product_evaluator<Product<Lhs, Rhs, DefaultProduct>, OuterProduct, DenseShape, SparseShape, typename Lhs::Scalar, typename Rhs::Scalar>
struct product_evaluator<Product<Lhs, Rhs, DefaultProduct>, OuterProduct, DenseShape, SparseShape, typename traits<Lhs>::Scalar, typename traits<Rhs>::Scalar>
: sparse_dense_outer_product_evaluator<Lhs,Rhs, Rhs::IsRowMajor>
{
typedef sparse_dense_outer_product_evaluator<Lhs,Rhs, Rhs::IsRowMajor> Base;

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@@ -197,11 +197,11 @@ enum {
template<typename SparseXprType, typename DiagonalCoeffType, int SDP_Tag>
struct sparse_diagonal_product_evaluator;
template<typename Lhs, typename Rhs, int Options, int ProductTag>
struct product_evaluator<Product<Lhs, Rhs, Options>, ProductTag, DiagonalShape, SparseShape, typename Lhs::Scalar, typename Rhs::Scalar>
template<typename Lhs, typename Rhs, int ProductTag>
struct product_evaluator<Product<Lhs, Rhs, DefaultProduct>, ProductTag, DiagonalShape, SparseShape, typename traits<Lhs>::Scalar, typename traits<Rhs>::Scalar>
: public sparse_diagonal_product_evaluator<Rhs, typename Lhs::DiagonalVectorType, Rhs::Flags&RowMajorBit?SDP_AsScalarProduct:SDP_AsCwiseProduct>
{
typedef Product<Lhs, Rhs, Options> XprType;
typedef Product<Lhs, Rhs, DefaultProduct> XprType;
typedef evaluator<XprType> type;
typedef evaluator<XprType> nestedType;
enum { CoeffReadCost = Dynamic, Flags = Rhs::Flags&RowMajorBit }; // FIXME CoeffReadCost & Flags
@@ -210,11 +210,11 @@ struct product_evaluator<Product<Lhs, Rhs, Options>, ProductTag, DiagonalShape,
product_evaluator(const XprType& xpr) : Base(xpr.rhs(), xpr.lhs().diagonal()) {}
};
template<typename Lhs, typename Rhs, int Options, int ProductTag>
struct product_evaluator<Product<Lhs, Rhs, Options>, ProductTag, SparseShape, DiagonalShape, typename Lhs::Scalar, typename Rhs::Scalar>
template<typename Lhs, typename Rhs, int ProductTag>
struct product_evaluator<Product<Lhs, Rhs, DefaultProduct>, ProductTag, SparseShape, DiagonalShape, typename traits<Lhs>::Scalar, typename traits<Rhs>::Scalar>
: public sparse_diagonal_product_evaluator<Lhs, Transpose<const typename Rhs::DiagonalVectorType>, Lhs::Flags&RowMajorBit?SDP_AsCwiseProduct:SDP_AsScalarProduct>
{
typedef Product<Lhs, Rhs, Options> XprType;
typedef Product<Lhs, Rhs, DefaultProduct> XprType;
typedef evaluator<XprType> type;
typedef evaluator<XprType> nestedType;
enum { CoeffReadCost = Dynamic, Flags = Lhs::Flags&RowMajorBit }; // FIXME CoeffReadCost & Flags

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@@ -196,6 +196,10 @@ struct generic_product_impl<Lhs, Transpose<Rhs>, SparseShape, PermutationShape,
}
};
// TODO, the following two overloads are only needed to define the right temporary type through
// typename traits<permut_sparsematrix_product_retval<Rhs,Lhs,OnTheRight,false> >::ReturnType
// while it should be correctly handled by traits<Product<> >::PlainObject
template<typename Lhs, typename Rhs, int ProductTag>
struct product_evaluator<Product<Lhs, Rhs, DefaultProduct>, ProductTag, PermutationShape, SparseShape, typename traits<Lhs>::Scalar, typename traits<Rhs>::Scalar>
: public evaluator<typename traits<permut_sparsematrix_product_retval<Lhs,Rhs,OnTheRight,false> >::ReturnType>::type

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@@ -224,25 +224,6 @@ struct generic_product_impl<Lhs, Rhs, SparseShape, SparseShape, ProductType>
}
};
template<typename Lhs, typename Rhs, int ProductTag>
struct product_evaluator<Product<Lhs, Rhs, DefaultProduct>, ProductTag, SparseShape, SparseShape, typename Lhs::Scalar, typename Rhs::Scalar>
: public evaluator<typename Product<Lhs, Rhs, DefaultProduct>::PlainObject>::type
{
typedef Product<Lhs, Rhs, DefaultProduct> XprType;
typedef typename XprType::PlainObject PlainObject;
typedef typename evaluator<PlainObject>::type Base;
product_evaluator(const XprType& xpr)
: m_result(xpr.rows(), xpr.cols())
{
::new (static_cast<Base*>(this)) Base(m_result);
generic_product_impl<Lhs, Rhs, SparseShape, SparseShape, ProductTag>::evalTo(m_result, xpr.lhs(), xpr.rhs());
}
protected:
PlainObject m_result;
};
template<typename Lhs, typename Rhs, int Options>
struct evaluator<SparseView<Product<Lhs, Rhs, Options> > >
: public evaluator<typename Product<Lhs, Rhs, DefaultProduct>::PlainObject>::type

View File

@@ -441,46 +441,11 @@ struct generic_product_impl<Lhs, RhsView, DenseShape, SparseSelfAdjointShape, Pr
}
};
template<typename Lhs, typename Rhs, int ProductTag>
struct product_evaluator<Product<Lhs, Rhs, DefaultProduct>, ProductTag, SparseSelfAdjointShape, DenseShape, typename Lhs::Scalar, typename Rhs::Scalar>
: public evaluator<typename Product<Lhs, Rhs, DefaultProduct>::PlainObject>::type
{
typedef Product<Lhs, Rhs, DefaultProduct> XprType;
typedef typename XprType::PlainObject PlainObject;
typedef typename evaluator<PlainObject>::type Base;
product_evaluator(const XprType& xpr)
: m_result(xpr.rows(), xpr.cols())
{
::new (static_cast<Base*>(this)) Base(m_result);
generic_product_impl<Lhs, Rhs, SparseSelfAdjointShape, DenseShape, ProductTag>::evalTo(m_result, xpr.lhs(), xpr.rhs());
}
protected:
PlainObject m_result;
};
template<typename Lhs, typename Rhs, int ProductTag>
struct product_evaluator<Product<Lhs, Rhs, DefaultProduct>, ProductTag, DenseShape, SparseSelfAdjointShape, typename Lhs::Scalar, typename Rhs::Scalar>
: public evaluator<typename Product<Lhs, Rhs, DefaultProduct>::PlainObject>::type
{
typedef Product<Lhs, Rhs, DefaultProduct> XprType;
typedef typename XprType::PlainObject PlainObject;
typedef typename evaluator<PlainObject>::type Base;
product_evaluator(const XprType& xpr)
: m_result(xpr.rows(), xpr.cols())
{
::new (static_cast<Base*>(this)) Base(m_result);
generic_product_impl<Lhs, Rhs, DenseShape, SparseSelfAdjointShape, ProductTag>::evalTo(m_result, xpr.lhs(), xpr.rhs());
}
protected:
PlainObject m_result;
};
// NOTE: these two overloads are needed to evaluate the sparse sefladjoint view into a full sparse matrix
// TODO: maybe the copy could be handled by generic_product_impl so that these overloads would not be needed anymore
template<typename LhsView, typename Rhs, int ProductTag>
struct product_evaluator<Product<LhsView, Rhs, DefaultProduct>, ProductTag, SparseSelfAdjointShape, SparseShape, typename LhsView::Scalar, typename Rhs::Scalar>
struct product_evaluator<Product<LhsView, Rhs, DefaultProduct>, ProductTag, SparseSelfAdjointShape, SparseShape, typename traits<LhsView>::Scalar, typename traits<Rhs>::Scalar>
: public evaluator<typename Product<typename Rhs::PlainObject, Rhs, DefaultProduct>::PlainObject>::type
{
typedef Product<LhsView, Rhs, DefaultProduct> XprType;
@@ -488,9 +453,8 @@ struct product_evaluator<Product<LhsView, Rhs, DefaultProduct>, ProductTag, Spar
typedef typename evaluator<PlainObject>::type Base;
product_evaluator(const XprType& xpr)
: /*m_lhs(xpr.lhs()),*/ m_result(xpr.rows(), xpr.cols())
: m_lhs(xpr.lhs()), m_result(xpr.rows(), xpr.cols())
{
m_lhs = xpr.lhs();
::new (static_cast<Base*>(this)) Base(m_result);
generic_product_impl<typename Rhs::PlainObject, Rhs, SparseShape, SparseShape, ProductTag>::evalTo(m_result, m_lhs, xpr.rhs());
}
@@ -501,7 +465,7 @@ protected:
};
template<typename Lhs, typename RhsView, int ProductTag>
struct product_evaluator<Product<Lhs, RhsView, DefaultProduct>, ProductTag, SparseShape, SparseSelfAdjointShape, typename Lhs::Scalar, typename RhsView::Scalar>
struct product_evaluator<Product<Lhs, RhsView, DefaultProduct>, ProductTag, SparseShape, SparseSelfAdjointShape, typename traits<Lhs>::Scalar, typename traits<RhsView>::Scalar>
: public evaluator<typename Product<Lhs, typename Lhs::PlainObject, DefaultProduct>::PlainObject>::type
{
typedef Product<Lhs, RhsView, DefaultProduct> XprType;