| Function | Implemented | C23 Standard Section | POSIX.1-2017 Standard Section |
|---|---|---|---|
| FE_ALL_EXCEPT | |check| | 7.6.12 | |
| FE_DEC_DOWNWARD | 7.6.14 | ||
| FE_DEC_TONEAREST | 7.6.14 | ||
| FE_DEC_TONEARESTFROMZERO | 7.6.14 | ||
| FE_DEC_TOWARDZERO | 7.6.14 | ||
| FE_DEC_UPWARD | 7.6.14 | ||
| FE_DFL_ENV | |check| | 7.6.17 | |
| FE_DFL_MODE | 7.6.11 | ||
| FE_DIVBYZERO | |check| | 7.6.9 | |
| FE_DOWNARD | 7.6.13 | ||
| FE_INEXACT | |check| | 7.6.9 | |
| FE_INVALID | |check| | 7.6.9 | |
| FE_OVERFLOW | |check| | 7.6.9 | |
| FE_TONEAREST | |check| | 7.6.13 | |
| FE_TONEARESTFROMZERO | 7.6.13 | ||
| FE_TOWARDZERO | |check| | 7.6.13 | |
| FE_UNDERFLOW | |check| | 7.6.9 | |
| FE_UPWARD | |check| | 7.6.13 | |
| __STDC_VERSION_FENV_H__ | 7.6.5 |
| Function | Implemented | C23 Standard Section | POSIX.1-2017 Standard Section |
|---|---|---|---|
| fe_dec_getround | 7.6.5.3 | ||
| fe_dec_setround | 7.6.5.6 | ||
| feclearexcept | |check| | 7.6.4.1 | |
| fegetenv | |check| | 7.6.6.1 | |
| fegetexceptflag | |check| | 7.6.4.2 | |
| fegetmode | 7.6.5.1 | ||
| fegetround | |check| | 7.6.5.2 | |
| feholdexcept | |check| | 7.6.6.2 | |
| feraiseexcept | |check| | 7.6.4.3 | |
| fesetenv | |check| | 7.6.6.3 | |
| fesetexcept | |check| | 7.6.4.4 | |
| fesetexceptflag | |check| | 7.6.4.5 | |
| fesetmode | 7.6.5.4 | ||
| fesetround | |check| | 7.6.5.5 | |
| fetestexcept | |check| | 7.6.4.7 | |
| fetestexceptflag | |check| | 7.6.4.6 | |
| feupdateenv | |check| | 7.6.6.4 |