toolchain/gcc/newlib/libc/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 _DEFUN (check_finite, (x),
  11          double x)
  12 {
  13   __int32_t hx;
  14   GET_HIGH_WORD(hx,x);
  15   return  (int)((__uint32_t)((hx&0x7fffffff)-0x7ff00000)>>31);
  16 }
  17
  18 __inline__
  19 static
  20 int
  21 _DEFUN (check_finitef, (x),
  22          float x)
  23 {
  24   __int32_t ix;
  25   GET_FLOAT_WORD(ix,x);
  26   return  (int)((__uint32_t)((ix&0x7fffffff)-0x7f800000)>>31);
  27 }
  28
  29 #endif /* __F_MATH_H__ */