Shaobo 5875ad7064 Implement platform-independent isNaNCustom for VertexFormatTest
Wgsl removes inNaN from spec (https://github.com/gpuweb/gpuweb/pull/2311)
and VertexFormatTest needs to cover NaN input. So we implement a
platform-independent isNaNCustom based on the rules in IEEE 754-1985.

Bug: dawn:1268
Change-Id: I53aef428c72d34381efc6b3ba0250685fc685965
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/78140
Reviewed-by: Corentin Wallez <cwallez@chromium.org>
Reviewed-by: Austin Eng <enga@chromium.org>
Commit-Queue: Shaobo Yan <shaobo.yan@intel.com>
2022-01-26 00:22:40 +00:00
..
2021-11-02 09:30:52 +00:00