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* do the ActualPacketAccesBit change as discussed on list

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* add comment in Product.h about CanVectorizeInner
* fix typo in test/product.cpp
This commit is contained in:
Benoit Jacob
2008-07-04 12:43:55 +00:00
parent 8463b7d3f4
commit a9d319d44f
7 changed files with 40 additions and 17 deletions
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18
Eigen/src/Core/util/Constants.h
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@@ -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