Lines Matching defs:ax
510 double z,ax,z_h,z_l,p_h,p_l;
569 ax = fabsd(x);
573 z = ax; /*x is +-0,+-inf,+-1*/
613 t = ax-one; /* t has 20 trailing zeros */
625 {ax *= two53; n -= 53; ix = __HI(ax); }
633 __HI(ax) = ix;
636 u = ax-bp[k]; /* bp[0]=1.0, bp[1]=1.5 */
637 v = one/(ax+bp[k]);
641 /* t_h=ax+bp[k] High */
644 t_l = ax - (t_h-bp[k]);
646 /* compute log(ax) */
663 /* log2(ax) = (ss+..)*2/(3*log2) = n + dp_h + z_h + z_l */