Lines Matching defs:hx
33 int32_t n,hx,hy,hz,ix,iy,sx,i;
36 EXTRACT_WORDS(hx,lx,x);
38 sx = hx&0x80000000; /* sign of x */
39 hx ^=sx; /* |x| */
43 if((hy|ly)==0||(hx>=0x7ff00000)|| /* y=0,or x not finite */
46 if(hx<=hy) {
47 if((hx<hy)||(lx<ly)) return x; /* |x|<|y| return x */
53 if(hx<0x00100000) { /* subnormal x */
54 if(hx==0) {
57 for (ix = -1022,i=(hx<<11); i>0; i<<=1) ix -=1;
59 } else ix = (hx>>20)-1023;
70 /* set up {hx,lx}, {hy,ly} and align y to x */
72 hx = 0x00100000|(0x000fffff&hx);
76 hx = (hx<<n)|(lx>>(32-n));
79 hx = lx<<(n-32);
99 hz=hx-hy;lz=lx-ly; if(lx<ly) hz -= 1;
100 if(hz<0){hx = hx+hx+(lx>>31); lx = lx+lx;}
104 hx = hz+hz+(lz>>31); lx = lz+lz;
107 hz=hx-hy;lz=lx-ly; if(lx<ly) hz -= 1;
108 if(hz>=0) {hx=hz;lx=lz;}
111 if((hx|lx)==0) /* return sign(x)*0 */
113 while(hx<0x00100000) { /* normalize x */
114 hx = hx+hx+(lx>>31); lx = lx+lx;
118 hx = ((hx-0x00100000)|((iy+1023)<<20));
119 INSERT_WORDS(x,hx|sx,lx);
123 lx = (lx>>n)|((u_int32_t)hx<<(32-n));
124 hx >>= n;
126 lx = (hx<<(32-n))|(lx>>n); hx = sx;
128 lx = hx>>(n-32); hx = sx;
130 INSERT_WORDS(x,hx|sx,lx);
