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Author SHA1 Message Date
Siva Chandra Reddy 7f7b0dc4e1 [libc] Add implementations of nextafter[f|l] functions. 
A differential fuzzer for these functions has also been added.
Along the way, a small correction has been done to the normal/subnormal
limits of x86 long double values.

Reviewed By: lntue

Differential Revision: https://reviews.llvm.org/D94109
 2021-01-05 22:32:39 -08:00
Siva Chandra Reddy 4766a86cf2 [libc] Combine all math differential fuzzers into one target. 
Also added diffing of a few more math functions. Combining the diff check
for all of these functions helps us meet the OSS fuzz bar of a minimum of
100 program edges.

Reviewed By: lntue

Differential Revision: https://reviews.llvm.org/D91817
 2020-11-20 07:46:15 -08:00
Siva Chandra Reddy 892ed1f150 [libc] Add differential fuzzers for ldexp and remquo. 
Reviewed By: lntue

Differential Revision: https://reviews.llvm.org/D91763
 2020-11-19 08:32:05 -08:00