SET_LDOUBLE_WORDS64
SET_LDOUBLE_WORDS64(x,hx|sx,lx);
SET_LDOUBLE_WORDS64(x,hx|sx,lx);
SET_LDOUBLE_WORDS64(x,i0,i1);
SET_LDOUBLE_WORDS64(x,i0,i1);
SET_LDOUBLE_WORDS64(*iptr,i0&0x8000000000000000ULL,0);
SET_LDOUBLE_WORDS64(x,i0&0x8000000000000000ULL,0);
SET_LDOUBLE_WORDS64(*iptr,i0&(~i),0);
SET_LDOUBLE_WORDS64(x,i0&0x8000000000000000ULL,0);
SET_LDOUBLE_WORDS64(x,i0&0x8000000000000000ULL,0);
SET_LDOUBLE_WORDS64(*iptr,i0,i1&(~i));
SET_LDOUBLE_WORDS64(x,hy&0x8000000000000000ULL,1);/* return +-minsubnormal */
SET_LDOUBLE_WORDS64(x,hx,lx);
SET_LDOUBLE_WORDS64(x,hx,lx);
SET_LDOUBLE_WORDS64(x,hx,lx);
SET_LDOUBLE_WORDS64(x,hx,lx);
SET_LDOUBLE_WORDS64(y,hy,ly);
SET_LDOUBLE_WORDS64(x,ix0,ix1);