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

16 lines
403 B
C

#include <fenv.h>
/* 7.6.2.2
The fegetexceptflag function stores an implementation-defined
representation of the exception flags indicated by the argument
excepts in the object pointed to by the argument flagp. */
int fegetexceptflag (fexcept_t * flagp, int excepts)
{
unsigned short _sw;
__asm__ ("fnstsw %%ax;": "=a" (_sw));
*flagp = _sw & excepts & FE_ALL_EXCEPT;
return 0;
}