[libc-commits] [libc] [llvm] [libc][math] Implement double-precision acosh (PR #199953)

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lntue wrote:

@iamaayushrivastava : Sorry for a late reply.  When testing with the CORE-MATH test suite, the following input is failing:
```
Running worst cases check in --rndn mode...
FAIL x=0x1.297de35d02e9p+13 ref=0x1.3b562d2651a5dp+3 z=0x1.3b562d2651a5ep+3
```

https://github.com/llvm/llvm-project/pull/199953