ref: 1092cc7f1a0c08b6a19a8e4cc0cc04dd990e4601
parent: cbb83ba4aa99b40b0b4a2a407bfd6d0d8be87d1f
author: Johann <johannkoenig@google.com>
date: Tue Aug 8 10:19:56 EDT 2017
quantize test: use negative input coeff contains signed values. Change-Id: I02f74decf30379a28122169ab3e844d0f3bd7d23