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4 Commits

Author SHA1 Message Date
Marshall Clow
2b866255ed Make to_chars/from_chars work back to C++11. This means that we can use them to implement to_string as well. Reviewed as https://reviews.llvm.org/D59598. 
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@356585 91177308-0d34-0410-b5e6-96231b3b80d8
 2019-03-20 18:13:23 +00:00
Chandler Carruth
7c3769df62 Update more file headers across all of the LLVM projects in the monorepo 
to reflect the new license. These used slightly different spellings that
defeated my regular expressions.

We understand that people may be surprised that we're moving the header
entirely to discuss the new license. We checked this carefully with the
Foundation's lawyer and we believe this is the correct approach.

Essentially, all code in the project is now made available by the LLVM
project under our new license, so you will see that the license headers
include that license only. Some of our contributors have contributed
code under our old license, and accordingly, we have retained a copy of
our old license notice in the top-level files in each project and
repository.

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@351648 91177308-0d34-0410-b5e6-96231b3b80d8
 2019-01-19 10:56:40 +00:00
Zhihao Yuan
80f0ca024a [libc++] Fix build failures after merging <charconv> 
Summary:
- fix a stupid unit test typo
- add <charconv> symbols to Linux abilist

Reviewers: EricWF

Subscribers: christof, ldionne, cfe-commits

Differential Revision: https://reviews.llvm.org/D50130

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@338486 91177308-0d34-0410-b5e6-96231b3b80d8
 2018-08-01 05:21:26 +00:00
Zhihao Yuan
dc38e97601 [libc++][C++17] Elementary string conversions for integral types 
Summary:
Major QoI considerations:

- The facility is backported to C++14, same as libstdc++.
- Efforts have been made to minimize the header dependencies.
- The design is friendly to the uses of MSVC intrinsics (`__emulu`, `_umul128`, `_BitScanForward`, `_BitScanForward64`) but not implemented; future contributions are welcome.

Thanks to Milo Yip for contributing the implementation of `__u64toa` and `__u32toa`.

References:
 https://wg21.link/p0067r5
 https://wg21.link/p0682r1

Reviewers: mclow.lists, EricWF

Reviewed By: mclow.lists

Subscribers: ldionne, Quuxplusone, christof, mgorny, cfe-commits

Differential Revision: https://reviews.llvm.org/D41458

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@338479 91177308-0d34-0410-b5e6-96231b3b80d8
 2018-08-01 02:38:30 +00:00