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[/] [scarts/] [trunk/] [toolchain/] [scarts-gcc/] [gcc-4.1.1/] [gcc/] [config/] [floatditf.c] - Rev 20

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/* Public domain.  */
#if __LDBL_MANT_DIG__ == 106 || __LDBL_MANT_DIG__ == 113
typedef int DItype __attribute__ ((mode (DI)));
typedef int SItype __attribute__ ((mode (SI)));
typedef unsigned int UDItype __attribute__ ((mode (DI)));
typedef unsigned int USItype __attribute__ ((mode (SI)));
typedef float DFtype __attribute__ ((mode (DF)));
typedef float TFtype __attribute__ ((mode (TF)));
 
TFtype __floatditf (UDItype);
 
TFtype
__floatditf (UDItype u)
{
  DFtype dh, dl;
 
  dh = (SItype) (u >> (sizeof (SItype) * 8));
  dh *= 2.0 * (((UDItype) 1) << ((sizeof (SItype) * 8) - 1));
  dl = (USItype) (u & ((((UDItype) 1) << (sizeof (SItype) * 8)) - 1));
 
  return (TFtype) dh + (TFtype) dl;
}
 
#endif
 
 

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