Matthew Treinish

If you're trying to avoid using the basis translator and the dag then creating an equivalence library is not needed. You should just use a python dictionary. Under the covers...

> @Travis-S-IBM Here's the related issue: [Qiskit/qiskit-ignis#524](https://github.com/Qiskit/qiskit-ignis/pull/524) > > Basically, it's a bulky requirement that isn't hard to make optional in Ignis. @mtreinish tagging you so you see this, feel...

You can adapt this script and run it as part of a ci job https://github.com/Qiskit/qiskit-terra/blob/main/tools/verify_headers.py that will error if a source file is missing the appropriate header

This was something we discussed at the time we added the old version builds. The idea I proposed at the time was generating a JSON file as part of the...

You must be on macOS with an arm64 cpu. `tweedledum` doesn't really support macOS anymore and especially on arm64 macs the published packages are just broken. See: https://github.com/boschmitt/tweedledum/issues/179, https://github.com/boschmitt/tweedledum/issues/159, https://github.com/boschmitt/tweedledum/issues/174,...

It's hard to debug this solely from that output. All this output really means is that for some reason `pytest`'s discovery is not able to find any tests at the...

Once you apply this change I think this is ready to go for a default config. There isn't any content yet but we can add that later (along with a...

That is basically what we did inside terra for vf2postlayout when we made it control flow aware: https://github.com/Qiskit/qiskit-terra/commit/a01f738a56827e70e2df917cd4ec0b19f95707db

Just for reference there is documentation on how to do this in a backend implementation: https://qiskit.org/documentation/apidoc/providers.html#custom-basis-gates Ideally you wouldn't need to do anything in qiskit-terra but there are still some...

If you want to make the rust function mutate the input numpy array this isn't too difficult. You need to change the types on things and that might require input...