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add a flexible sparse matrix class designed for fast matrix assembly

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This commit is contained in:
Gael Guennebaud
2009-01-19 15:20:45 +00:00
parent 385fd3d918
commit 178858f1bd
12 changed files with 512 additions and 117 deletions
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7
Eigen/src/Sparse/SparseMatrixBase.h
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@@ -69,7 +69,7 @@ template<typename Derived> class SparseMatrixBase
/**< This stores expression \ref flags flags which may or may not be inherited by new expressions
* constructed from this one. See the \ref flags "list of flags".
*/
CoeffReadCost = ei_traits<Derived>::CoeffReadCost,
/**< This is a rough measure of how expensive it is to read one coefficient from
* this expression.
@@ -153,7 +153,10 @@ template<typename Derived> class SparseMatrixBase
{
// std::cout << "Derived& operator=(const MatrixBase<OtherDerived>& other)\n";
//const bool transpose = (Flags & RowMajorBit) != (OtherDerived::Flags & RowMajorBit);
ei_assert((!((Flags & RowMajorBit) != (OtherDerived::Flags & RowMajorBit))) && "the transpose operation is supposed to be handled in SparseMatrix::operator=");
ei_assert(( ((ei_traits<Derived>::SupportedAccessPatterns&OuterRandomAccessPattern)==OuterRandomAccessPattern) ||
(!((Flags & RowMajorBit) != (OtherDerived::Flags & RowMajorBit)))) &&
"the transpose operation is supposed to be handled in SparseMatrix::operator=");
const int outerSize = other.outerSize();
//typedef typename ei_meta_if<transpose, LinkedVectorMatrix<Scalar,Flags&RowMajorBit>, Derived>::ret TempType;
// thanks to shallow copies, we always eval to a tempary