newlib-cygwin/winsup/mingw/mingwex/math/fpclassifyl.c

11 lines
186 B
C
Raw Normal View History

#include <math.h>
int __fpclassifyl (long double _x){
unsigned short sw;
__asm__ (
"fxam; fstsw %%ax;"
: "=a" (sw)
: "t" (_x)
);
return sw & (FP_NAN | FP_NORMAL | FP_ZERO );
}