Subversion Repositories openrisc_2011-10-31

/* Copyright (C) 2002,2007 by  Red Hat, Incorporated. All rights reserved.

 *

 * Permission to use, copy, modify, and distribute this software

 * is freely granted, provided that this notice is preserved.

 */

#include "fdlibm.h"

int

__fpclassifyf (float x)

{

  __uint32_t w;

  GET_FLOAT_WORD(w,x);

  if (w == 0x00000000 || w == 0x80000000)

    return FP_ZERO;

  else if ((w >= 0x00800000 && w <= 0x7f7fffff) ||

           (w >= 0x80800000 && w <= 0xff7fffff))

    return FP_NORMAL;

  else if ((w >= 0x00000001 && w <= 0x007fffff) ||

           (w >= 0x80000001 && w <= 0x807fffff))

    return FP_SUBNORMAL;

  else if (w == 0x7f800000 || w == 0xff800000)

    return FP_INFINITE;

  else

    return FP_NAN;

}