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feat: relate BitVec.signExtend to truncate #4392

Merged
merged 1 commit into from
Aug 26, 2024
Merged

feat: relate BitVec.signExtend to truncate #4392

merged 1 commit into from
Aug 26, 2024

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bollu
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@bollu bollu commented Jun 7, 2024

This adds helper lemmas to relate sign extension to truncation, and as a corollary shows that sign extension to the same width is a no-op.

@bollu bollu requested a review from kim-em as a code owner June 7, 2024 11:34
@github-actions github-actions bot added the toolchain-available A toolchain is available for this PR, at leanprover/lean4-pr-releases:pr-release-NNNN label Jun 7, 2024
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Mathlib CI status (docs):

  • ❗ Mathlib CI can not be attempted yet, as the nightly-testing-2024-06-07 tag does not exist there yet. We will retry when you push more commits. If you rebase your branch onto nightly-with-mathlib, Mathlib CI should run now. (2024-06-07 11:53:20)

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bollu commented Jun 7, 2024

awaiting-review

@github-actions github-actions bot added the awaiting-review Waiting for someone to review the PR label Jun 7, 2024
@leanprover-bot leanprover-bot added the P-high We will work on this issue label Aug 23, 2024
@kim-em kim-em added this pull request to the merge queue Aug 26, 2024
Merged via the queue into leanprover:master with commit a58a090 Aug 26, 2024
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@tobiasgrosser tobiasgrosser tobiasgrosser approved these changes

@kim-em kim-em Awaiting requested review from kim-em kim-em is a code owner

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