input data across all registers)

the recursive definition of ncwrs instead of computing it from scratch
every time.

fully understand why that works!

that the passed size parameter is not < 56.

liboggz and oggenc

also another stereo bug fixed for static-array ncwrs64().

giving a (minor) speedup. Also fixed optional memory-based ncwrs64().

statis memory allocation (not enabled by default)

the "effective gain" too high (>10 dB).

Also fixed a bug that was exposed by the change (and removed some warnings)

prediction