Johannes Demel

I reverted the change where `!` is replaced with `!= 0`. It caused issues with most systems except Ubuntu x86. I rebased to the latest `main` as well.

> This PR fixes the direct issue, which is important. It does change the API unfortunately by now returning -1 where it didn't before. I guess as an interim we...

Updated the initial PR description. I started some tests with: ```docker FROM debian:bullseye RUN apt-get update \ && apt-get install -y \ build-essential git cmake python3-mako python3-distutils liborc-dev ``` I...

I converted this PR to a draft. At the moment I doubt it really fixes the issue it is supposed to fix. We need a better understanding of the issue...

If we merge this PR, we enable VOLK on another architecture. We don't have any CI for that arch. Thus, we need to be clear that this is experimental.

How and where should we communicate that MIPS support is experimental?

I suggest to add a comment to the [top-level `README.md` file under Hardware architectures](https://github.com/gnuradio/volk#hardware-architectures).

It'd be great if you made these changes. A separate commit for these changes seems appropriate.

So let's see, you propose a new kernel `volk_4ic_deinterleave_8i_x2`? Do you have a use case? I have an idea how to use such low resolution values. But I'd suggest a...

Does Gentoo require a special configuration? I suggest to add the required configuration with a more specific name so others can use it on different distros without confusion. Maybe we...