chore: builtin wrapping shift left #3270
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kevaundray
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Oct 24, 2023
Co-authored-by: jfecher <[email protected]>
Co-authored-by: kevaundray <[email protected]>
…r-examples (#3266) Co-authored-by: josh crites <[email protected]>
Co-authored-by: kevaundray <[email protected]>
Co-authored-by: kevaundray <[email protected]> Co-authored-by: github-merge-queue[bot] <github-merge-queue[bot]@users.noreply.github.com> Co-authored-by: Tom French <[email protected]> Co-authored-by: kek kek kek <[email protected]> Co-authored-by: Martin Verzilli <[email protected]> Co-authored-by: Savio <[email protected]> Co-authored-by: Alex Gherghisan <[email protected]> Co-authored-by: vezenovm <[email protected]>
Co-authored-by: Maddiaa <[email protected]>
Co-authored-by: Tom French <[email protected]>
kevaundray
reviewed
Oct 26, 2023
jfecher
reviewed
Oct 26, 2023
jfecher
reviewed
Oct 26, 2023
TomAFrench
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that referenced
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Oct 30, 2023
* master: (242 commits) chore(docs): Update Windows installation (#3326) chore!: change stdlib function `pedersen` to `pedersen_commitment` (#3341) chore: add back algolia recrawler (#3332) chore: comment out algolia recrawler workflow as its failing master (#3331) chore: Modify single line if-else expression width threshold (#3329) feat: Expand trait impl overlap check to cover generic types (#3320) feat: Implement where clauses on impls (#3324) chore: builtin wrapping shift left (#3270) chore: format integration tests (#3257) fix(3300): cache warnings into debug artefacts (#3313) fix(3275): activate brillig modulo test with negative integers (#3318) feat: Add check for overlapping generic traits (#3307) feat: Refactor debugger and separate core from UI (#3308) chore: recrawl docs on merge (#3306) chore: add bn254 attribute when needed in the stdlib (#3208) feat: add exports of JS black box solvers to noirJS (#3295) chore: upload acir artifacts as a github artifact (#3288) chore: bump bb version to 0.12.0 (#3304) chore(docs): Supplement descriptions for defaulting loop indices to be `u64` (#3237) chore: create publish-docs.yml (#3298) ...
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Description
Adds a builtin for doing wrapping shift-left and use it in sha256.
Wrapping shift-left means the shift-left can overflow the type and we compute the result modulo the bit size.
Problem*
Wrapping (i.e computing the result modulo the bit size) is the default mode for noir but we want to change this and rather issue an error in case of overflow. However sha256 relies on wrapping so in order to smoothly transition from wrapping to overflow-check, we must first modify sha256 so that it does not use the default shift-left.
Resolves
Summary*
Documentation
This PR requires documentation updates when merged.
Additional Context
PR Checklist*
cargo fmton default settings.