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3 Commits

Author SHA1 Message Date
Michael Jones
ae3b59e623 [libc] Use MPFR for strtofloat fuzzing 
The previous string to float tests didn't check correctness, but due to
the atof differential test proving unreliable the strtofloat fuzz test
has been changed to use MPFR for correctness checking. Some minor bugs
have been found and fixed as well.

Reviewed By: lntue

Differential Revision: https://reviews.llvm.org/D150905
 2023-05-22 11:04:53 -07:00
Michael Jones
377b82a088 [libc] add exception to atof differential fuzz 
The differential fuzzer for atof found a bug in glibc's handling of
hexadecimal rounding. Since we can't easily update glibc and we want to
avoid false positives when running the fuzzer, I've added an exception
to skip all hexadecimal subnormal cases.

Reviewed By: sivachandra

Differential Revision: https://reviews.llvm.org/D149359
 2023-04-28 13:50:40 -07:00
Siva Chandra Reddy
d9bbad277c [libc][Obvious][NFC] A bunch of cosmetic cleanup. 
* Added missing header guards.
* Fixed license header format in a few files.
* Renamed files to more suitable names.
 2021-11-19 17:02:55 +00:00