diff options
| author |  Benoit Jacob <jacob.benoit.1@gmail.com> | 2008-07-04 12:43:55 +0000 |
|---|---|---|
| committer | Benoit Jacob <jacob.benoit.1@gmail.com> | 2008-07-04 12:43:55 +0000 |
| commit | a9d319d44fe49d5add9c3f76f27f57d06ec70c2f (patch) | |
| tree | afb36a26020996d2dc059cee1ca5176b5f9f466c /Eigen/src/Core/util | |
| parent | 8463b7d3f4ba6b94d79503d30b7822f064adbb08 (diff) | |
* do the ActualPacketAccesBit change as discussed on list
* add comment in Product.h about CanVectorizeInner
* fix typo in test/product.cpp
Diffstat (limited to 'Eigen/src/Core/util')
| -rw-r--r-- | Eigen/src/Core/util/Constants.h | 18 |
1 files changed, 14 insertions, 4 deletions
diff --git a/Eigen/src/Core/util/Constants.h b/Eigen/src/Core/util/Constants.h index 613cb053c..c51aa282b 100644 --- a/Eigen/src/Core/util/Constants.h +++ b/Eigen/src/Core/util/Constants.h @@ -56,7 +56,6 @@ const unsigned int EvalBeforeNestingBit = 0x2; * means the expression should be evaluated before any assignement */ const unsigned int EvalBeforeAssigningBit = 0x4; -#ifdef EIGEN_VECTORIZE /** \ingroup flags * * Short version: means the expression might be vectorized @@ -70,12 +69,23 @@ const unsigned int EvalBeforeAssigningBit = 0x4; * on the total size, so it might not be possible to access the few last coeffs * by packets. * - * \note If vectorization is not enabled (EIGEN_VECTORIZE is not defined) this constant - * is set to the value 0. + * \note This bit can be set regardless of whether vectorization is actually enabled. + * To check for actual vectorizability, see \a ActualPacketAccessBit. */ const unsigned int PacketAccessBit = 0x8; + +#ifdef EIGEN_VECTORIZE +/** \ingroup flags + * + * If vectorization is enabled (EIGEN_VECTORIZE is defined) this constant + * is set to the value \a PacketAccessBit. + * + * If vectorization is not enabled (EIGEN_VECTORIZE is not defined) this constant + * is set to the value 0. + */ +const unsigned int ActualPacketAccessBit = PacketAccessBit; #else -const unsigned int PacketAccessBit = 0x0; +const unsigned int ActualPacketAccessBit = 0x0; #endif /** \ingroup flags |