| Issue |
134917
|
| Summary |
[libc] Rounding Error for cospif16/sinpif16
|
| Labels |
libc
|
| Assignees |
|
| Reporter |
michaelrj-google
|
Example failure from the buildbot:
```
[==========] Running 2 tests from 1 test suite.
[ RUN ] LlvmLibcSinpif16Test.SpecialNumbers
/home/libc-buildbot/libc-aarch64-ubuntu/libc-aarch64-ubuntu/llvm-project/libc/test/src/math/smoke/sinpif16_test.cpp:20: FAILURE
Expected: __llvm_libc_20_0_0_git::fputil::test_except( static_cast<int>((1 | 2 | 4 | 8 | 16))) & ((1) ? (1) : static_cast<int>((1 | 2 | 4 | 8 | 16)))
Which is: 0
To be equal to: (1)
Which is: 1
[ FAILED ] LlvmLibcSinpif16Test.SpecialNumbers
[ RUN ] LlvmLibcSinpif16Test.Integers
[ OK ] LlvmLibcSinpif16Test.Integers (9 us)
Ran 2 tests. PASS: 1 FAIL: 1
```
Seems like there's a rounding issue.
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