| 1 | #include <fenv.h> |
| 2 | #include <math.h> |
| 3 | |
| 4 | float nearbyintf(float x) |
| 5 | { |
| 6 | #ifdef FE_INEXACT |
| 7 | #pragma STDC FENV_ACCESS ON |
| 8 | int e; |
| 9 | |
| 10 | e = fetestexcept(FE_INEXACT); |
| 11 | #endif |
| 12 | x = rintf(x); |
| 13 | #ifdef FE_INEXACT |
| 14 | if (!e) |
| 15 | feclearexcept(FE_INEXACT); |
| 16 | #endif |
| 17 | return x; |
| 18 | } |