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add a generic mechanism to copy a special matrix to a dense matrix so that

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we don't need to add other specialization of MatrixBase::operator=, Matrix::=,
and Matrix::Matrix(...)
This commit is contained in:
Gael Guennebaud
2009-07-07 09:05:20 +02:00
parent 1aea45335f
commit 544888e342
6 changed files with 54 additions and 113 deletions
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24
Eigen/src/Core/MatrixBase.h
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@@ -284,6 +284,17 @@ template<typename Derived> class MatrixBase
*/
Derived& operator=(const MatrixBase& other);
/** Copies the generic expression \a other into *this. \returns a reference to *this.
* The expression must provide a (templated) evalToDense(Derived& dst) const function
* which does the actual job. In practice, this allows any user to write its own
* special matrix without having to modify MatrixBase */
template<typename OtherDerived>
Derived& operator=(const AnyMatrixBase<OtherDerived> &other)
{ other.derived().evalToDense(derived()); return derived(); }
template<typename OtherDerived,typename OtherEvalType>
Derived& operator=(const ReturnByValue<OtherDerived,OtherEvalType>& func);
#ifndef EIGEN_PARSED_BY_DOXYGEN
/** Copies \a other into *this without evaluating other. \returns a reference to *this. */
template<typename OtherDerived>
@@ -297,10 +308,6 @@ template<typename Derived> class MatrixBase
template<typename OtherDerived>
Derived& lazyAssign(const Flagged<OtherDerived, 0, EvalBeforeNestingBit | EvalBeforeAssigningBit>& other)
{ return lazyAssign(other._expression()); }
/** Overloaded for fast triangular part to dense matrix evaluation */
template<typename TriangularDerived>
Derived& lazyAssign(const TriangularBase<TriangularDerived> &other);
#endif // not EIGEN_PARSED_BY_DOXYGEN
CommaInitializer<Derived> operator<< (const Scalar& s);
@@ -403,12 +410,6 @@ template<typename Derived> class MatrixBase
const DiagonalProduct<Derived, DiagonalDerived, DiagonalOnTheRight>
operator*(const DiagonalBase<DiagonalDerived> &diagonal) const;
template<typename DiagonalDerived>
Derived& operator=(const DiagonalBase<DiagonalDerived> &other);
template<typename TriangularDerived>
Derived& operator=(const TriangularBase<TriangularDerived> &other);
template<typename OtherDerived>
typename ei_plain_matrix_type_column_major<OtherDerived>::type
solveTriangular(const MatrixBase<OtherDerived>& other) const;
@@ -738,9 +739,6 @@ template<typename Derived> class MatrixBase
// dense = dense * sparse
template<typename Derived1, typename Derived2>
Derived& lazyAssign(const SparseProduct<Derived1,Derived2,DenseTimeSparseProduct>& product);
template<typename OtherDerived,typename OtherEvalType>
Derived& operator=(const ReturnByValue<OtherDerived,OtherEvalType>& func);
#ifdef EIGEN_MATRIXBASE_PLUGIN
#include EIGEN_MATRIXBASE_PLUGIN