newlib-cygwin/winsup/mingw/mingwex/feclearexcept.c

16 lines
402 B
C

#include <fenv.h>
/* 7.6.2.1
The feclearexcept function clears the supported exceptions
represented by its argument. */
int feclearexcept (int excepts)
{
fenv_t _env;
__asm__ volatile ("fnstenv %0;" : "=m" (_env)); /* get the env */
_env.__status_word &= ~(excepts & FE_ALL_EXCEPT); /* clear the except */
__asm__ volatile ("fldenv %0;" :: "m" (_env)); /*set the env */
return 0;
}