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const unsigned int PacketAccessBit = 0x8

Short version: means the expression might be vectorized

Long version: means that the coefficients can be handled by packets and start at a memory location whose alignment meets the requirements of the present CPU architecture for optimized packet access. In the fixed-size case, there is the additional condition that the total size of the coefficients array is a multiple of the packet size, so that it is possible to access all the coefficients by packets. In the dynamic-size case, there is no such condition on the total size, so it might not be possible to access the few last coeffs by packets.

Note:
This bit can be set regardless of whether vectorization is actually enabled. To check for actual vectorizability, see ActualPacketAccessBit.

Definition at line 97 of file Constants.h.


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