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bug #397: add a warning for 64 to 32 bit integer conversion and fix many of these warning by splitting the index type used for storage and as size/coefficient indexes in PermutationMatrix and Transpositions.

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Gael Guennebaud
2014-07-17 13:34:26 +02:00
parent 5e72151ca5
commit 77af4cc3c9
11 changed files with 120 additions and 95 deletions
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6
Eigen/src/LU/PartialPivLU.h
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@@ -371,13 +371,13 @@ struct partial_lu_impl
/** \internal performs the LU decomposition with partial pivoting in-place.
*/
template<typename MatrixType, typename TranspositionType>
void partial_lu_inplace(MatrixType& lu, TranspositionType& row_transpositions, typename TranspositionType::Index& nb_transpositions)
void partial_lu_inplace(MatrixType& lu, TranspositionType& row_transpositions, typename TranspositionType::StorageIndexType& nb_transpositions)
{
eigen_assert(lu.cols() == row_transpositions.size());
eigen_assert((&row_transpositions.coeffRef(1)-&row_transpositions.coeffRef(0)) == 1);
partial_lu_impl
<typename MatrixType::Scalar, MatrixType::Flags&RowMajorBit?RowMajor:ColMajor, typename TranspositionType::Index>
<typename MatrixType::Scalar, MatrixType::Flags&RowMajorBit?RowMajor:ColMajor, typename TranspositionType::StorageIndexType>
::blocked_lu(lu.rows(), lu.cols(), &lu.coeffRef(0,0), lu.outerStride(), &row_transpositions.coeffRef(0), nb_transpositions);
}
@@ -396,7 +396,7 @@ PartialPivLU<MatrixType>& PartialPivLU<MatrixType>::compute(const MatrixType& ma
m_rowsTranspositions.resize(size);
typename TranspositionType::Index nb_transpositions;
typename TranspositionType::StorageIndexType nb_transpositions;
internal::partial_lu_inplace(m_lu, m_rowsTranspositions, nb_transpositions);
m_det_p = (nb_transpositions%2) ? -1 : 1;