[Libre-soc-bugs] [Bug 565] Improve formal verification on PartitionedSignal

[bugzilla-daemon at libre-soc.org]

https://bugs.libre-soc.org/show_bug.cgi?id=565

--- Comment #25 from Luke Kenneth Casson Leighton <lkcl at lkcl.net> ---
(In reply to Cesar Strauss from comment #24)

> It works! The proof driver can now accept unary operations (returning a
> partition-like result).
> 
> PartitionedSignal.all() passes. Congratulations!

pffh, that's really funny given that it was one line of code :)

it's also fascinating in that its implementation is one of the first "meta"
operators: i.e. it actually uses __eq__ by comparing against Const(-1)

next is to add some() which is __ne__ against Const(0)

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