[opus] 2 patches related to silk_biquad_alt() optimization

Linfeng Zhang linfengz at google.com
Tue Apr 25 15:54:25 UTC 2017

> My question was on the audio files: Considering that different code paths
> are used depending on the input material (and possibly also depending on
> the command line flags), is there a test suite that exercises all code
> paths, or do you use just a random example to check?

I used several speech and music files, but it's not guaranteed that all
code paths are exercised.
We also have local unit test code to generate random inputs for the
optimized functions, which is not included in the patch.
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