if(huge+x>0.0) {
if(really_big+x>0.0) {
	double fd_ceil(double x)#else	double fd_ceil(x)	double x;#endif{	int i0,i1,j0;	unsigned i,j;	i0 =  __HI(x);	i1 =  __LO(x);	j0 = ((i0>>20)&0x7ff)-0x3ff;	if(j0<20) {	    if(j0<0) { 	/* raise inexact if x != 0 */		if(huge+x>0.0) {/* return 0*sign(x) if |x|<1 */		    if(i0<0) {i0=0x80000000;i1=0;} 		    else if((i0|i1)!=0) { i0=0x3ff00000;i1=0;}		}	    } else {		i = (0x000fffff)>>j0;		if(((i0&i)|i1)==0) return x; /* x is integral */		if(huge+x>0.0) {	/* raise inexact flag */		    if(i0>0) i0 += (0x00100000)>>j0;		    i0 &= (~i); i1=0;		}	    }	} 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 */	    if(huge+x>0.0) { 		/* raise inexact flag */		if(i0>0) {		    if(j0==20) i0+=1; 		    else {			j = i1 + (1<<(52-j0));			if((int)j<i1) i0+=1;	/* got a carry */			i1 = j;		    }		}		i1 &= (~i);	    }	}	__HI(x) = i0;	__LO(x) = i1;	return x;}