Subversion Repositories openrisc

extern void abort();

typedef union {

       struct {

  unsigned int hi;

  unsigned int lo;

 } i;

       double d;

} hexdouble;

static const double twoTo52 = 0x1.0p+52;

void func ( double x )

{

      hexdouble argument;

      register double y, z;

      unsigned int xHead;

      argument.d = x;

      xHead = argument.i.hi & 0x7fffffff;

      if (__builtin_expect(!!(xHead < 0x43300000u), 1))

       {

                  y = ( x - twoTo52 ) + twoTo52;

                  if ( y != x )

                    abort();

                  z = x - 0.5;

                  y = ( z - twoTo52 ) + twoTo52;

                  if ( y == (( x - twoTo52 ) + twoTo52) )

                    abort();

       }

     return;

}

int main()

{

        if (sizeof (double) == 4)

                return 0;

        func((double)1.00);

        return 0;

}