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Diffstat (limited to 'Eigen/src/Core/util/XprHelper.h')
| -rw-r--r-- | Eigen/src/Core/util/XprHelper.h | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/Eigen/src/Core/util/XprHelper.h b/Eigen/src/Core/util/XprHelper.h index 09866ad8d..299e5cbc2 100644 --- a/Eigen/src/Core/util/XprHelper.h +++ b/Eigen/src/Core/util/XprHelper.h @@ -26,8 +26,25 @@ namespace Eigen { typedef EIGEN_DEFAULT_DENSE_INDEX_TYPE DenseIndex; +/** + * \brief The Index type as used for the API. + * \details To change this, \c \#define the preprocessor symbol \c EIGEN_DEFAULT_DENSE_INDEX_TYPE. + * \sa \ref TopicPreprocessorDirectives, StorageIndex. + */ + +typedef EIGEN_DEFAULT_DENSE_INDEX_TYPE Index; + namespace internal { +template<typename IndexDest, typename IndexSrc> +EIGEN_DEVICE_FUNC +inline IndexDest convert_index(const IndexSrc& idx) { + // for sizeof(IndexDest)>=sizeof(IndexSrc) compilers should be able to optimize this away: + eigen_internal_assert(idx <= NumTraits<IndexDest>::highest() && "Index value to big for target type"); + return IndexDest(idx); +} + + //classes inheriting no_assignment_operator don't generate a default operator=. class no_assignment_operator { |