diff options
Diffstat (limited to 'Eigen/src/Core/util/Memory.h')
| -rw-r--r-- | Eigen/src/Core/util/Memory.h | 16 |
1 files changed, 10 insertions, 6 deletions
diff --git a/Eigen/src/Core/util/Memory.h b/Eigen/src/Core/util/Memory.h index bc5235582..524bec2fc 100644 --- a/Eigen/src/Core/util/Memory.h +++ b/Eigen/src/Core/util/Memory.h @@ -209,16 +209,20 @@ template<typename T, bool Align> inline void ei_conditional_aligned_delete(T *pt ei_conditional_aligned_free<Align>(ptr); } -/** \internal \returns the number of elements which have to be skipped such that data are 16 bytes aligned */ -template<typename Scalar> -inline static int ei_alignmentOffset(const Scalar* ptr, int maxOffset) +/** \internal \returns the number of elements which have to be skipped to + * find the first 16-byte aligned element + * + * There is also the variant ei_alignmentOffset(const MatrixBase&, Integer) defined in Coeffs.h. + */ +template<typename Scalar, typename Integer> +inline static Integer ei_alignmentOffset(const Scalar* ptr, Integer maxOffset) { typedef typename ei_packet_traits<Scalar>::type Packet; - const int PacketSize = ei_packet_traits<Scalar>::size; - const int PacketAlignedMask = PacketSize-1; + const Integer PacketSize = ei_packet_traits<Scalar>::size; + const Integer PacketAlignedMask = PacketSize-1; const bool Vectorized = PacketSize>1; return Vectorized - ? std::min<int>( (PacketSize - (int((size_t(ptr)/sizeof(Scalar))) & PacketAlignedMask)) + ? std::min<Integer>( (PacketSize - (Integer((size_t(ptr)/sizeof(Scalar))) & PacketAlignedMask)) & PacketAlignedMask, maxOffset) : 0; } |