Lines Matching refs:hx
69 int i,k,hx;
72 hx = __HI(x); /* high word of x */
76 if (hx < 0x00100000) { /* x < 2**-1022 */
77 if (((hx&0x7fffffff)|lx)==0)
79 if (hx<0) return (x-x)/zero; /* ieee_log(-#) = NaN */
81 hx = __HI(x); /* high word of x */
83 if (hx >= 0x7ff00000) return x+x;
84 k += (hx>>20)-1023;
86 hx = (hx&0x000fffff)|((0x3ff-i)<<20);
88 __HI(x) = hx;