| #include <fenv.h> | |
| /* 7.6.2.3 | |
| The feraiseexcept function raises the supported exceptions | |
| represented by its argument The order in which these exceptions | |
| are raised is unspecified, except as stated in F.7.6. | |
| Whether the feraiseexcept function additionally raises | |
| the inexact exception whenever it raises the overflow | |
| or underflow exception is implementation-defined. */ | |
| int feraiseexcept (int excepts) | |
| { | |
| fenv_t _env; | |
| __asm__ volatile ("fnstenv %0;" : "=m" (_env)); | |
| _env.__status_word |= excepts & FE_ALL_EXCEPT; | |
| __asm__ volatile ("fldenv %0;" | |
| "fwait;" : : "m" (_env)); | |
| return 0; | |
| } |