i1 =  __LO(x);
i1 =  __LO(u);
	double fd_rint(double x)#else	double fd_rint(x)	double x;#endif{	int i0,j0,sx;	unsigned i,i1;	double w,t;	i0 =  __HI(x);	sx = (i0>>31)&1;	i1 =  __LO(x);	j0 = ((i0>>20)&0x7ff)-0x3ff;	if(j0<20) {	    if(j0<0) { 			if(((i0&0x7fffffff)|i1)==0) return x;		i1 |= (i0&0x0fffff);		i0 &= 0xfffe0000;		i0 |= ((i1|-(int)i1)>>12)&0x80000;		__HI(x)=i0;	        w = TWO52[sx]+x;	        t =  w-TWO52[sx];	        i0 = __HI(t);	        __HI(t) = (i0&0x7fffffff)|(sx<<31);	        return t;	    } else {		i = (0x000fffff)>>j0;		if(((i0&i)|i1)==0) return x; /* x is integral */		i>>=1;		if(((i0&i)|i1)!=0) {		    if(j0==19) i1 = 0x40000000; else		    i0 = (i0&(~i))|((0x20000)>>j0);		}	    }	} else if (j0>51) {	    if(j0==0x400) return x+x;	/* inf or NaN */	    else return x;		/* x is integral */	} else {	    i = ((unsigned)(0xffffffff))>>(j0-20);	    if((i1&i)==0) return x;	/* x is integral */	    i>>=1;	    if((i1&i)!=0) i1 = (i1&(~i))|((0x40000000)>>(j0-20));	}	__HI(x) = i0;	__LO(x) = i1;	w = TWO52[sx]+x;	return w-TWO52[sx];}