COMPMID-556: Added a rounding policy to the quantize function

Change-Id: I6272a36636c5d9baff6d35dee0a50dc847f65bfa
Reviewed-on: https://eu-gerrit-1.euhpc.arm.com/110266
Tested-by: BSG Visual Compute Jenkins server to access repositories on http://mpd-gerrit.cambridge.arm.com <bsgcomp@arm.com>
Reviewed-by: Anthony Barbier <anthony.barbier@arm.com>
7 files changed