11 lines
190 B
C
11 lines
190 B
C
|
#include <math.h>
|
||
|
int __fpclassifyf (float _x){
|
||
|
unsigned short sw;
|
||
|
__asm__ (
|
||
|
"fxam; fstsw %%ax;"
|
||
|
: "=a" (sw)
|
||
|
: "t" (_x)
|
||
|
);
|
||
|
return sw & (FP_NAN | FP_NORMAL | FP_ZERO );
|
||
|
}
|