| 1 | #include <float.h> |
| 2 | #include <fenv.h> |
| 3 | |
| 4 | int __flt_rounds() |
| 5 | { |
| 6 | switch (fegetround()) { |
| 7 | #ifdef FE_TOWARDZERO |
| 8 | case FE_TOWARDZERO: return 0; |
| 9 | #endif |
| 10 | case FE_TONEAREST: return 1; |
| 11 | #ifdef FE_UPWARD |
| 12 | case FE_UPWARD: return 2; |
| 13 | #endif |
| 14 | #ifdef FE_DOWNWARD |
| 15 | case FE_DOWNWARD: return 3; |
| 16 | #endif |
| 17 | } |
| 18 | return -1; |
| 19 | } |