Details | Last modification | View Log | RSS feed
| Rev | Author | Line No. | Line |
|---|---|---|---|
| 5141 | serge | 1 | #include |
| 2 | |||
| 3 | /* 7.6.2.5 |
||
| 4 | The fetestexcept function determines which of a specified subset of |
||
| 5 | the exception flags are currently set. The excepts argument |
||
| 6 | specifies the exception flags to be queried. |
||
| 7 | The fetestexcept function returns the value of the bitwise OR of the |
||
| 8 | exception macros corresponding to the currently set exceptions |
||
| 9 | included in excepts. |
||
| 10 | */ |
||
| 11 | |||
| 12 | int fetestexcept (int excepts) |
||
| 13 | { |
||
| 14 | unsigned short _sw; |
||
| 15 | __asm__ ("fnstsw %%ax" : "=a" (_sw)); |
||
| 16 | return _sw & excepts & FE_ALL_EXCEPT; |
||
| 17 | } |