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commit 475cbf0ad6e72f33e5ba5890a1c6e84e39a19e83 Author: James E T Smith <jamesETsmith@users.noreply.github.com> Date: Sat Apr 5 07:46:11 2025 -0400 [libc++] Implement ranges::iota (#68494) # Overview As a disclaimer, this is my first PR to LLVM and while I've tried to ensure I've followed the LLVM and libc++ contributing guidelines, there's probably a good chance I missed something. If I have, just let me know and I'll try to correct it as soon as I can. This PR implements `std::ranges::iota` and `std::ranges::out_value_result` outlined in [P2440r1](https://www.open-std.org/jtc1/sc22/wg21/docs/papers/2021/p2440r1.html). As outlined in the paper above, I've: - Implemented `out_value_result` and added to `<algorithm>` - Added `out_value_result`, `iota_result`, and two overloads of `iota` to `std::ranges` in `<numeric>` - Updated the version macro `__cpp_lib_ranges_iota` in `<version>` I've also added tests for `ranges::iota` and `ranges::out_value_result`. Lastly, I added those structs to the appropriate module files. Partially implements #105184 EDIT: Forgot to mention in the original post, thanks to @hawkinsw for taking a look at a preliminary version of this PR! # TODOs - [x] Updating the range [status doc](https://github.com/jamesETsmith/llvm-project/blob/main/libcxx/docs/Status/RangesMajorFeatures.csv) - [x] Ensure all comments from https://reviews.llvm.org/D121436 are addressed here - [X] EDIT (I'll do this in a separate PR). ~~I'm open to implementing the rest of P2440r1 (`ranges::shift_left` and `ranges::shift_right`) if that's ok, I just wanted to get feedback on `ranges::iota` first~~ - [x] I've been having trouble building the modules locally and want to make sure that's working properly Closes: #134060 |
Filter
ldionne-old-macbook-results test results
| Run | Order | Start Time | Duration |
|---|---|---|---|
| Current | 533117 | 2025-12-16T16:40:01 | 0:00:00 |
| Previous | 533066 | 2025-12-16T16:40:01 | 0:00:00 |
| Baseline | 485288 | 2025-12-16T16:40:01 | 0:00:00 |
Tests Summary
| Status Group | # | # (B) |
|---|---|---|
| Performance Regressions | 2 | 0 |
| Performance Improvements | 2 | 0 |
| Added Tests | 0 | 18 |
| Unchanged Tests | 86 | 72 |
| Total Tests | 90 |
| Performance Regressions - execution_time | Δ | Previous | Current | σ | Δ (B) | σ (B) |
|---|---|---|---|---|---|---|
| 707_ntest_r | 2.74% | 17.819 | 18.308 | - | 0.00% | - |
| 710_omnetpp_r | 1.37% | 8.349 | 8.464 | - | 0.00% | - |
| Performance Improvements - execution_time | Δ | Previous | Current | σ | Δ (B) | σ (B) |
|---|---|---|---|---|---|---|
| 735_gem5_r | -2.50% | 14.262 | 13.905 | - | 0.00% | - |
| 729_abc_r | -1.83% | 19.012 | 18.664 | - | 0.00% | - |
| Added Tests - execution_time |
|---|
| 706_stockfish_r |
| 707_ntest_r |
| 709_cactus_r |
| 710_omnetpp_r |
| 721_gcc_r |
| 723_llvm_r |
| 727_cppcheck_r |
| 729_abc_r |
| 731_astcenc_r |
| 734_vpr_r |
| 735_gem5_r |
| 736_ocio_r |
| 737_gmsh_r |
| 748_flightdm_r |
| 750_sealcrypto_r |
| 753_ns3_r |
| 766_femflow_r |
| 767_nest_r |
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