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more ET refactoring:

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* 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
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14
Eigen/src/Core/NoAlias.h
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@@ -39,7 +39,7 @@
*
* \sa MatrixBase::noalias()
*/
template<typename ExpressionType>
template<typename ExpressionType, template <typename> class StorageBase>
class NoAlias
{
public:
@@ -48,17 +48,17 @@ class NoAlias
/** Behaves like MatrixBase::lazyAssign(other)
* \sa MatrixBase::lazyAssign() */
template<typename OtherDerived>
EIGEN_STRONG_INLINE ExpressionType& operator=(const MatrixBase<OtherDerived>& other)
EIGEN_STRONG_INLINE ExpressionType& operator=(const StorageBase<OtherDerived>& other)
{ return m_expression.lazyAssign(other.derived()); }
/** \sa MatrixBase::operator+= */
template<typename OtherDerived>
EIGEN_STRONG_INLINE ExpressionType& operator+=(const MatrixBase<OtherDerived>& other)
EIGEN_STRONG_INLINE ExpressionType& operator+=(const StorageBase<OtherDerived>& other)
{ return m_expression.lazyAssign(m_expression + other.derived()); }
/** \sa MatrixBase::operator-= */
template<typename OtherDerived>
EIGEN_STRONG_INLINE ExpressionType& operator-=(const MatrixBase<OtherDerived>& other)
EIGEN_STRONG_INLINE ExpressionType& operator-=(const StorageBase<OtherDerived>& other)
{ return m_expression.lazyAssign(m_expression - other.derived()); }
#ifndef EIGEN_PARSED_BY_DOXYGEN
@@ -80,12 +80,12 @@ class NoAlias
/** \returns a pseudo expression of \c *this with an operator= assuming
* no aliasing between \c *this and the source expression.
*
*
* More precisely, noalias() allows to bypass the EvalBeforeAssignBit flag.
* Currently, even though several expressions may alias, only product
* expressions have this flag. Therefore, noalias() is only usefull when
* the source expression contains a matrix product.
*
*
* Here are some examples where noalias is usefull:
* \code
* D.noalias() = A * B;
@@ -107,7 +107,7 @@ class NoAlias
* \sa class NoAlias
*/
template<typename Derived>
NoAlias<Derived> MatrixBase<Derived>::noalias()
NoAlias<Derived,MatrixBase> MatrixBase<Derived>::noalias()
{
return derived();
}