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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.

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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