Lines Matching refs:hx
45 int32_t i,k,hx;
48 EXTRACT_WORDS(hx,lx,x);
51 if (hx < 0x00100000) { /* x < 2**-1022 */
52 if (((hx&0x7fffffff)|lx)==0)
54 if (hx<0) return (x-x)/zero; /* log(-#) = NaN */
56 GET_HIGH_WORD(hx,x);
58 if (hx >= 0x7ff00000) return x+x;
59 if (hx == 0x3ff00000 && lx == 0)
61 k += (hx>>20)-1023;
62 hx &= 0x000fffff;
63 i = (hx+0x95f64)&0x100000;
64 SET_HIGH_WORD(x,hx|(i^0x3ff00000)); /* normalize x or x/2 */