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Clarify float rounding direction for signed zero #116355

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merged 1 commit into from
Oct 3, 2023

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orlp
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@orlp orlp commented Oct 2, 2023

Closes #116339.

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rustbot commented Oct 2, 2023

r? @joshtriplett

(rustbot has picked a reviewer for you, use r? to override)

@rustbot rustbot added S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. T-libs Relevant to the library team, which will review and decide on the PR/issue. labels Oct 2, 2023
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thomcc commented Oct 2, 2023

This is just a documentation tweak to make it more clear when the rounding mode applies (previously it left out a tiny exception, but that was certainly by accident).

As a result, I'm going to approve this -- I don't believe it makes any new promises.

@bors r+ rollup

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bors commented Oct 2, 2023

📌 Commit 07e9631 has been approved by thomcc

It is now in the queue for this repository.

@bors bors added S-waiting-on-bors Status: Waiting on bors to run and complete tests. Bors will change the label on completion. and removed S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. labels Oct 2, 2023
bors added a commit to rust-lang-ci/rust that referenced this pull request Oct 3, 2023
…iaskrgr

Rollup of 6 pull requests

Successful merges:

 - rust-lang#113053 (add notes about non-compliant FP behavior on 32bit x86 targets)
 - rust-lang#115726 (For a single impl candidate, try to unify it with error trait ref)
 - rust-lang#116158 (Don't suggest nonsense suggestions for unconstrained type vars in `note_source_of_type_mismatch_constraint`)
 - rust-lang#116351 (Add `must_use` on pointer equality functions)
 - rust-lang#116355 (Clarify float rounding direction for signed zero)
 - rust-lang#116361 (Bump stdarch submodule)

r? `@ghost`
`@rustbot` modify labels: rollup
@bors bors merged commit 043fcc4 into rust-lang:master Oct 3, 2023
11 checks passed
@rustbot rustbot added this to the 1.75.0 milestone Oct 3, 2023
rust-timer added a commit to rust-lang-ci/rust that referenced this pull request Oct 3, 2023
Rollup merge of rust-lang#116355 - orlp:signed-zero-rounding-mode, r=thomcc

Clarify float rounding direction for signed zero

Closes rust-lang#116339.
bors-ferrocene bot added a commit to ferrocene/ferrocene that referenced this pull request Oct 5, 2023
23: Fix divergence from upstream `master` r=tshepang a=pvdrz

* rust-lang/rust#116381
* rust-lang/rust#116360
* rust-lang/rust#116353
* rust-lang/rust#116406
* rust-lang/rust#116408
  * rust-lang/rust#116395
  * rust-lang/rust#116393
  * rust-lang/rust#116388
  * rust-lang/rust#116365
  * rust-lang/rust#116363
  * rust-lang/rust#116146
  * rust-lang/rust#115961
* rust-lang/rust#116386
* rust-lang/rust#116367
* rust-lang/rust#105394
* rust-lang/rust#115301
* rust-lang/rust#116384
  * rust-lang/rust#116379
  * rust-lang/rust#116328
  * rust-lang/rust#116282
  * rust-lang/rust#116261
  * rust-lang/rust#114654
* rust-lang/rust#116376
  * rust-lang/rust#116374
  * rust-lang/rust#116371
  * rust-lang/rust#116358
  * rust-lang/rust#116210
  * rust-lang/rust#115863
* rust-lang/rust#115025
* rust-lang/rust#116372
  * rust-lang/rust#116361
  * rust-lang/rust#116355
  * rust-lang/rust#116351
  * rust-lang/rust#116158
  * rust-lang/rust#115726
  * rust-lang/rust#113053
* rust-lang/rust#116083
* rust-lang/rust#102099
* rust-lang/rust#116356
  * rust-lang/rust#116350
  * rust-lang/rust#116349
  * rust-lang/rust#116289
  * rust-lang/rust#114454
  * rust-lang/rust#114453
* rust-lang/rust#116331
* rust-lang/rust#116346
  * rust-lang/rust#116340
  * rust-lang/rust#116326
  * rust-lang/rust#116313
* rust-lang/rust#116276
* rust-lang/rust#115898
* rust-lang/rust#116325
* rust-lang/rust#116317
* rust-lang/rust#116207
* rust-lang/rust#116281
* rust-lang/rust#116304
* rust-lang/rust#116259
* rust-lang/rust#116228
* rust-lang/rust#116224
* rust-lang/rust#115554
* rust-lang/rust#116311
  * rust-lang/rust#116299
  * rust-lang/rust#116295
  * rust-lang/rust#116292
* rust-lang/rust#116307
* rust-lang/rust#115670
* rust-lang/rust#116225
* rust-lang/rust#116302
* rust-lang/rust#116108
* rust-lang/rust#116160
* rust-lang/rust#116157
* rust-lang/rust#116127
* rust-lang/rust#116286
* rust-lang/rust#116254
* rust-lang/rust#116195
* rust-lang/rust#116280
* rust-lang/rust#115933
* rust-lang/rust#115546
* rust-lang/rust#115368
* rust-lang/rust#116275
  * rust-lang/rust#116263
  * rust-lang/rust#116241
  * rust-lang/rust#116216
  * rust-lang/rust#116030
  * rust-lang/rust#116024
  * rust-lang/rust#112123
* rust-lang/rust#113301
* rust-lang/rust#113797
* rust-lang/rust#115759
* rust-lang/rust#116260
  * rust-lang/rust#116253
  * rust-lang/rust#116245
  * rust-lang/rust#116239
  * rust-lang/rust#116234
  * rust-lang/rust#116231
  * rust-lang/rust#116201
  * rust-lang/rust#116133
* rust-lang/rust#116176
* rust-lang/rust#116089
* rust-lang/rust#115986



Co-authored-by: ouz-a <ouz.agz@gmail.com>
Co-authored-by: Jakub Beránek <berykubik@gmail.com>
Co-authored-by: Federico Stra <stra.federico@gmail.com>
Co-authored-by: bohan <bohan-zhang@foxmail.com>
Co-authored-by: Jason Newcomb <jsnewcomb@pm.me>
Co-authored-by: Ralf Jung <post@ralfj.de>
Co-authored-by: bors <bors@rust-lang.org>
Co-authored-by: Oli Scherer <git-spam-no-reply9815368754983@oli-obk.de>
bors-ferrocene bot added a commit to ferrocene/ferrocene that referenced this pull request Oct 6, 2023
23: Fix divergence from upstream `master` r=tshepang a=pvdrz

* rust-lang/rust#116483
  * rust-lang/rust#116475
  * rust-lang/rust#116329
  * rust-lang/rust#116198
  * rust-lang/rust#115588
  * rust-lang/rust#115522
  * rust-lang/rust#115454
* rust-lang/rust#111595
* rust-lang/rust#116018
* rust-lang/rust#116472
  * rust-lang/rust#116469
  * rust-lang/rust#116421
* rust-lang/rust#116463
* rust-lang/rust#101150
* rust-lang/rust#116269
* rust-lang/rust#116417
* rust-lang/rust#116455
  * rust-lang/rust#116452
  * rust-lang/rust#116428
  * rust-lang/rust#116415
  * rust-lang/rust#116288
  * rust-lang/rust#116220
* rust-lang/rust#103046
* rust-lang/rust#114042
* rust-lang/rust#104153
* rust-lang/rust#116427
* rust-lang/rust#116443
  * rust-lang/rust#116432
  * rust-lang/rust#116431
  * rust-lang/rust#116429
  * rust-lang/rust#116296
  * rust-lang/rust#116223
* rust-lang/rust#116273
* rust-lang/rust#116184
* rust-lang/rust#116370
* rust-lang/rust#114417
* rust-lang/rust#115200
* rust-lang/rust#116413
* rust-lang/rust#116381
* rust-lang/rust#116360
* rust-lang/rust#116353
* rust-lang/rust#116406
* rust-lang/rust#116408
  * rust-lang/rust#116395
  * rust-lang/rust#116393
  * rust-lang/rust#116388
  * rust-lang/rust#116365
  * rust-lang/rust#116363
  * rust-lang/rust#116146
  * rust-lang/rust#115961
* rust-lang/rust#116386
* rust-lang/rust#116367
* rust-lang/rust#105394
* rust-lang/rust#115301
* rust-lang/rust#116384
  * rust-lang/rust#116379
  * rust-lang/rust#116328
  * rust-lang/rust#116282
  * rust-lang/rust#116261
  * rust-lang/rust#114654
* rust-lang/rust#116376
  * rust-lang/rust#116374
  * rust-lang/rust#116371
  * rust-lang/rust#116358
  * rust-lang/rust#116210
  * rust-lang/rust#115863
* rust-lang/rust#115025
* rust-lang/rust#116372
  * rust-lang/rust#116361
  * rust-lang/rust#116355
  * rust-lang/rust#116351
  * rust-lang/rust#116158
  * rust-lang/rust#115726
  * rust-lang/rust#113053
* rust-lang/rust#116083
* rust-lang/rust#102099
* rust-lang/rust#116356
  * rust-lang/rust#116350
  * rust-lang/rust#116349
  * rust-lang/rust#116289
  * rust-lang/rust#114454
  * rust-lang/rust#114453
* rust-lang/rust#116331
* rust-lang/rust#116346
  * rust-lang/rust#116340
  * rust-lang/rust#116326
  * rust-lang/rust#116313
* rust-lang/rust#116276
* rust-lang/rust#115898
* rust-lang/rust#116325
* rust-lang/rust#116317
* rust-lang/rust#116207
* rust-lang/rust#116281
* rust-lang/rust#116304
* rust-lang/rust#116259
* rust-lang/rust#116228
* rust-lang/rust#116224
* rust-lang/rust#115554
* rust-lang/rust#116311
  * rust-lang/rust#116299
  * rust-lang/rust#116295
  * rust-lang/rust#116292
* rust-lang/rust#116307
* rust-lang/rust#115670
* rust-lang/rust#116225
* rust-lang/rust#116302
* rust-lang/rust#116108
* rust-lang/rust#116160
* rust-lang/rust#116157
* rust-lang/rust#116127
* rust-lang/rust#116286
* rust-lang/rust#116254
* rust-lang/rust#116195
* rust-lang/rust#116280
* rust-lang/rust#115933
* rust-lang/rust#115546
* rust-lang/rust#115368
* rust-lang/rust#116275
  * rust-lang/rust#116263
  * rust-lang/rust#116241
  * rust-lang/rust#116216
  * rust-lang/rust#116030
  * rust-lang/rust#116024
  * rust-lang/rust#112123
* rust-lang/rust#113301
* rust-lang/rust#113797
* rust-lang/rust#115759
* rust-lang/rust#116260
  * rust-lang/rust#116253
  * rust-lang/rust#116245
  * rust-lang/rust#116239
  * rust-lang/rust#116234
  * rust-lang/rust#116231
  * rust-lang/rust#116201
  * rust-lang/rust#116133
* rust-lang/rust#116176
* rust-lang/rust#116089
* rust-lang/rust#115986

Co-authored-by: ouz-a <ouz.agz@gmail.com>
Co-authored-by: bors <bors@rust-lang.org>
Co-authored-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
Co-authored-by: linkmauve <linkmauve@linkmauve.fr>
Co-authored-by: onur-ozkan <work@onurozkan.dev>
Co-authored-by: asquared31415 <34665709+asquared31415@users.noreply.github.com>
Co-authored-by: Emmanuel Ferdman <emmanuelferdman@gmail.com>
Co-authored-by: Ralf Jung <post@ralfj.de>
Co-authored-by: Nadrieril <nadrieril+git@gmail.com>
Co-authored-by: Raekye <Raekye@users.noreply.github.com>
Co-authored-by: Mark Rousskov <mark.simulacrum@gmail.com>
Co-authored-by: Zalathar <Zalathar@users.noreply.github.com>
bors-ferrocene bot added a commit to ferrocene/ferrocene that referenced this pull request Oct 9, 2023
23: Fix divergence from upstream `master` r=pietroalbini a=pvdrz

* rust-lang/rust#116483
  * rust-lang/rust#116475
  * rust-lang/rust#116329
  * rust-lang/rust#116198
  * rust-lang/rust#115588
  * rust-lang/rust#115522
  * rust-lang/rust#115454
* rust-lang/rust#111595
* rust-lang/rust#116018
* rust-lang/rust#116472
  * rust-lang/rust#116469
  * rust-lang/rust#116421
* rust-lang/rust#116463
* rust-lang/rust#101150
* rust-lang/rust#116269
* rust-lang/rust#116417
* rust-lang/rust#116455
  * rust-lang/rust#116452
  * rust-lang/rust#116428
  * rust-lang/rust#116415
  * rust-lang/rust#116288
  * rust-lang/rust#116220
* rust-lang/rust#103046
* rust-lang/rust#114042
* rust-lang/rust#104153
* rust-lang/rust#116427
* rust-lang/rust#116443
  * rust-lang/rust#116432
  * rust-lang/rust#116431
  * rust-lang/rust#116429
  * rust-lang/rust#116296
  * rust-lang/rust#116223
* rust-lang/rust#116273
* rust-lang/rust#116184
* rust-lang/rust#116370
* rust-lang/rust#114417
* rust-lang/rust#115200
* rust-lang/rust#116413
* rust-lang/rust#116381
* rust-lang/rust#116360
* rust-lang/rust#116353
* rust-lang/rust#116406
* rust-lang/rust#116408
  * rust-lang/rust#116395
  * rust-lang/rust#116393
  * rust-lang/rust#116388
  * rust-lang/rust#116365
  * rust-lang/rust#116363
  * rust-lang/rust#116146
  * rust-lang/rust#115961
* rust-lang/rust#116386
* rust-lang/rust#116367
* rust-lang/rust#105394
* rust-lang/rust#115301
* rust-lang/rust#116384
  * rust-lang/rust#116379
  * rust-lang/rust#116328
  * rust-lang/rust#116282
  * rust-lang/rust#116261
  * rust-lang/rust#114654
* rust-lang/rust#116376
  * rust-lang/rust#116374
  * rust-lang/rust#116371
  * rust-lang/rust#116358
  * rust-lang/rust#116210
  * rust-lang/rust#115863
* rust-lang/rust#115025
* rust-lang/rust#116372
  * rust-lang/rust#116361
  * rust-lang/rust#116355
  * rust-lang/rust#116351
  * rust-lang/rust#116158
  * rust-lang/rust#115726
  * rust-lang/rust#113053
* rust-lang/rust#116083
* rust-lang/rust#102099
* rust-lang/rust#116356
  * rust-lang/rust#116350
  * rust-lang/rust#116349
  * rust-lang/rust#116289
  * rust-lang/rust#114454
  * rust-lang/rust#114453
* rust-lang/rust#116331
* rust-lang/rust#116346
  * rust-lang/rust#116340
  * rust-lang/rust#116326
  * rust-lang/rust#116313
* rust-lang/rust#116276
* rust-lang/rust#115898
* rust-lang/rust#116325
* rust-lang/rust#116317
* rust-lang/rust#116207
* rust-lang/rust#116281
* rust-lang/rust#116304
* rust-lang/rust#116259
* rust-lang/rust#116228
* rust-lang/rust#116224
* rust-lang/rust#115554
* rust-lang/rust#116311
  * rust-lang/rust#116299
  * rust-lang/rust#116295
  * rust-lang/rust#116292
* rust-lang/rust#116307
* rust-lang/rust#115670
* rust-lang/rust#116225
* rust-lang/rust#116302
* rust-lang/rust#116108
* rust-lang/rust#116160
* rust-lang/rust#116157
* rust-lang/rust#116127
* rust-lang/rust#116286
* rust-lang/rust#116254
* rust-lang/rust#116195
* rust-lang/rust#116280
* rust-lang/rust#115933
* rust-lang/rust#115546
* rust-lang/rust#115368
* rust-lang/rust#116275
  * rust-lang/rust#116263
  * rust-lang/rust#116241
  * rust-lang/rust#116216
  * rust-lang/rust#116030
  * rust-lang/rust#116024
  * rust-lang/rust#112123
* rust-lang/rust#113301
* rust-lang/rust#113797
* rust-lang/rust#115759
* rust-lang/rust#116260
  * rust-lang/rust#116253
  * rust-lang/rust#116245
  * rust-lang/rust#116239
  * rust-lang/rust#116234
  * rust-lang/rust#116231
  * rust-lang/rust#116201
  * rust-lang/rust#116133
* rust-lang/rust#116176
* rust-lang/rust#116089
* rust-lang/rust#115986

Co-authored-by: bors <bors@rust-lang.org>
Co-authored-by: ouz-a <ouz.agz@gmail.com>
Co-authored-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
Co-authored-by: linkmauve <linkmauve@linkmauve.fr>
Co-authored-by: onur-ozkan <work@onurozkan.dev>
Co-authored-by: asquared31415 <34665709+asquared31415@users.noreply.github.com>
Co-authored-by: Emmanuel Ferdman <emmanuelferdman@gmail.com>
Co-authored-by: Ralf Jung <post@ralfj.de>
Co-authored-by: Nadrieril <nadrieril+git@gmail.com>
Co-authored-by: Raekye <Raekye@users.noreply.github.com>
Co-authored-by: Mark Rousskov <mark.simulacrum@gmail.com>
Co-authored-by: Zalathar <Zalathar@users.noreply.github.com>
bors-ferrocene bot added a commit to ferrocene/ferrocene that referenced this pull request Oct 9, 2023
23: Fix divergence from upstream `master` r=Dajamante a=pvdrz

* rust-lang/rust#116483
  * rust-lang/rust#116475
  * rust-lang/rust#116329
  * rust-lang/rust#116198
  * rust-lang/rust#115588
  * rust-lang/rust#115522
  * rust-lang/rust#115454
* rust-lang/rust#111595
* rust-lang/rust#116018
* rust-lang/rust#116472
  * rust-lang/rust#116469
  * rust-lang/rust#116421
* rust-lang/rust#116463
* rust-lang/rust#101150
* rust-lang/rust#116269
* rust-lang/rust#116417
* rust-lang/rust#116455
  * rust-lang/rust#116452
  * rust-lang/rust#116428
  * rust-lang/rust#116415
  * rust-lang/rust#116288
  * rust-lang/rust#116220
* rust-lang/rust#103046
* rust-lang/rust#114042
* rust-lang/rust#104153
* rust-lang/rust#116427
* rust-lang/rust#116443
  * rust-lang/rust#116432
  * rust-lang/rust#116431
  * rust-lang/rust#116429
  * rust-lang/rust#116296
  * rust-lang/rust#116223
* rust-lang/rust#116273
* rust-lang/rust#116184
* rust-lang/rust#116370
* rust-lang/rust#114417
* rust-lang/rust#115200
* rust-lang/rust#116413
* rust-lang/rust#116381
* rust-lang/rust#116360
* rust-lang/rust#116353
* rust-lang/rust#116406
* rust-lang/rust#116408
  * rust-lang/rust#116395
  * rust-lang/rust#116393
  * rust-lang/rust#116388
  * rust-lang/rust#116365
  * rust-lang/rust#116363
  * rust-lang/rust#116146
  * rust-lang/rust#115961
* rust-lang/rust#116386
* rust-lang/rust#116367
* rust-lang/rust#105394
* rust-lang/rust#115301
* rust-lang/rust#116384
  * rust-lang/rust#116379
  * rust-lang/rust#116328
  * rust-lang/rust#116282
  * rust-lang/rust#116261
  * rust-lang/rust#114654
* rust-lang/rust#116376
  * rust-lang/rust#116374
  * rust-lang/rust#116371
  * rust-lang/rust#116358
  * rust-lang/rust#116210
  * rust-lang/rust#115863
* rust-lang/rust#115025
* rust-lang/rust#116372
  * rust-lang/rust#116361
  * rust-lang/rust#116355
  * rust-lang/rust#116351
  * rust-lang/rust#116158
  * rust-lang/rust#115726
  * rust-lang/rust#113053
* rust-lang/rust#116083
* rust-lang/rust#102099
* rust-lang/rust#116356
  * rust-lang/rust#116350
  * rust-lang/rust#116349
  * rust-lang/rust#116289
  * rust-lang/rust#114454
  * rust-lang/rust#114453
* rust-lang/rust#116331
* rust-lang/rust#116346
  * rust-lang/rust#116340
  * rust-lang/rust#116326
  * rust-lang/rust#116313
* rust-lang/rust#116276
* rust-lang/rust#115898
* rust-lang/rust#116325
* rust-lang/rust#116317
* rust-lang/rust#116207
* rust-lang/rust#116281
* rust-lang/rust#116304
* rust-lang/rust#116259
* rust-lang/rust#116228
* rust-lang/rust#116224
* rust-lang/rust#115554
* rust-lang/rust#116311
  * rust-lang/rust#116299
  * rust-lang/rust#116295
  * rust-lang/rust#116292
* rust-lang/rust#116307
* rust-lang/rust#115670
* rust-lang/rust#116225
* rust-lang/rust#116302
* rust-lang/rust#116108
* rust-lang/rust#116160
* rust-lang/rust#116157
* rust-lang/rust#116127
* rust-lang/rust#116286
* rust-lang/rust#116254
* rust-lang/rust#116195
* rust-lang/rust#116280
* rust-lang/rust#115933
* rust-lang/rust#115546
* rust-lang/rust#115368
* rust-lang/rust#116275
  * rust-lang/rust#116263
  * rust-lang/rust#116241
  * rust-lang/rust#116216
  * rust-lang/rust#116030
  * rust-lang/rust#116024
  * rust-lang/rust#112123
* rust-lang/rust#113301
* rust-lang/rust#113797
* rust-lang/rust#115759
* rust-lang/rust#116260
  * rust-lang/rust#116253
  * rust-lang/rust#116245
  * rust-lang/rust#116239
  * rust-lang/rust#116234
  * rust-lang/rust#116231
  * rust-lang/rust#116201
  * rust-lang/rust#116133
* rust-lang/rust#116176
* rust-lang/rust#116089
* rust-lang/rust#115986

35: Automated pull from `rust-lang/libc` r=pietroalbini a=github-actions[bot]

This PR pulls the following changes from the [`rust-lang/libc`](https://github.com/rust-lang/libc) repository:

* rust-lang/libc#3335
* rust-lang/libc#3373
* rust-lang/libc#3360
* rust-lang/libc#3374
* rust-lang/libc#3375
* rust-lang/libc#3376
* rust-lang/libc#3377


Co-authored-by: ouz-a <ouz.agz@gmail.com>
Co-authored-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
Co-authored-by: bors <bors@rust-lang.org>
Co-authored-by: linkmauve <linkmauve@linkmauve.fr>
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Rust does not specify IEEE 754 rounding mode for signed zero
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