Lines Matching refs:p_h
103 double z,ax,z_h,z_l,p_h,p_l;
248 p_h = u+v;
249 SET_LOW_WORD(p_h,0);
250 p_l = v-(p_h-u);
251 z_h = cp_h*p_h; /* cp_h+cp_l = 2/(3*log2) */
252 z_l = cp_l*p_h+p_l*cp+dp_l[k];
264 p_h = y1*t1;
265 z = p_l+p_h;
271 if(p_l+ovt>z-p_h) return s*huge*huge; /* overflow */
277 if(p_l<=z-p_h) return s*tiny*tiny; /* underflow */
281 * compute 2**(p_h+p_l)
293 p_h -= t;
295 t = p_l+p_h;
298 v = (p_l-(t-p_h))*lg2+t*lg2_l;