| Issue |
124812
|
| Summary |
[libc][math] Fix signaling nans and floating point exceptions for some math functions.
|
| Labels |
libc
|
| Assignees |
lntue
|
| Reporter |
lntue
|
The following issues with signaling nans and floating point exceptions are reported by @zimmerman6 with the CORE-MATH test suites:
```
CORE_MATH_CHECK_STD=true LIBM=/localdisk/zimmerma/llvm-project/build/projects/libc/lib/libllvmlibc.a ./check.sh $f
atan2
Running worst cases check in --rndn mode...
Missing inexact exception for x=0x0.0000000000001p-1022 y=0x1p+0 (z=0x0.0000000000001p-1022)
atan2f
Running worst cases check in --rndn mode...
Missing invalid exception for x=nan y=0x1p+0
exp
Running worst cases check in --rndn mode...
Error, foo(sNaN) should be qNaN, got sNaN=fff0000000000001
exp10
Running worst cases check in --rndn mode...
Error, foo(sNaN) should be qNaN, got sNaN=fff0000000000001
exp2
Running worst cases check in --rndn mode...
Error, foo(sNaN) should be qNaN, got sNaN=fff0000000000001
log
Running worst cases check in --rndn mode...
Error, foo(sNaN) should be qNaN, got sNaN=7ff0000000000001
log10
Running worst cases check in --rndn mode...
Error, foo(sNaN) should be qNaN, got sNaN=7ff0000000000001
log1p
Running worst cases check in --rndn mode...
Error, foo(sNaN) should be qNaN, got sNaN=7ff0000000000001
log2
Running worst cases check in --rndn mode...
Error, foo(sNaN) should be qNaN, got sNaN=7ff0000000000001
pow
Running worst cases check in --rndn mode...
Error, foo(sNaN,1.0) should be qNaN, got sNaN=7ff0000000000001
powf
Running worst cases check in --rndn mode...
Error, foo(sNaN,x) should be qNaN, got sNaN=7f800001
```
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