newlib/libm/machine/i386/f_math.h

   1 #ifndef __F_MATH_H__
   2 #define __F_MATH_H__
   3
   4 #include <_ansi.h>
   5 #include "fdlibm.h"
   6
   7 __inline__
   8 static
   9 int
  10 check_finite (double x)
  11 {
  12   __int32_t hx;
  13   GET_HIGH_WORD(hx,x);
  14   return  (int)((__uint32_t)((hx&0x7fffffff)-0x7ff00000)>>31);
  15 }
  16
  17 __inline__
  18 static
  19 int
  20 check_finitef (float x)
  21 {
  22   __int32_t ix;
  23   GET_FLOAT_WORD(ix,x);
  24   return  (int)((__uint32_t)((ix&0x7fffffff)-0x7f800000)>>31);
  25 }
  26
  27 #endif /* __F_MATH_H__ */