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/* lroundf adapted to be llroundf for Newlib, 2009 by Craig Howland.  */

/*

 * ====================================================

 * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.

 *

 * Developed at SunPro, a Sun Microsystems, Inc. business.

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

 * software is freely granted, provided that this notice

 * is preserved.

 * ====================================================

 */

#include "fdlibm.h"

long long int

llroundf(float x)

{

  __int32_t exponent_less_127;

  __uint32_t w;

  long long int result;

  __int32_t sign;

  GET_FLOAT_WORD (w, x);

  exponent_less_127 = ((w & 0x7f800000) >> 23) - 127;

  sign = (w & 0x80000000) != 0 ? -1 : 1;

  w &= 0x7fffff;

  w |= 0x800000;

  if (exponent_less_127 < (int)((8 * sizeof (long long int)) - 1))

    {

      if (exponent_less_127 < 0)

        return exponent_less_127 < -1 ? 0 : sign;

      else if (exponent_less_127 >= 23)

        result = (long long int) w << (exponent_less_127 - 23);

      else

        {

          w += 0x400000 >> exponent_less_127;

          result = w >> (23 - exponent_less_127);

        }

    }

  else

      return (long long int) x;

  return sign * result;

}

#ifdef _DOUBLE_IS_32BITS

long long int

llround(double x)

{

        return llroundf((float) x);

}

#endif /* defined(_DOUBLE_IS_32BITS) */