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/external/fdlibm/
De_pow.c107 double z,ax,z_h,z_l,p_h,p_l; local
246 p_h = u+v;
247 __LO(p_h) = 0;
248 p_l = v-(p_h-u);
249 z_h = cp_h*p_h; /* cp_h+cp_l = 2/(3*log2) */
250 z_l = cp_l*p_h+p_l*cp+dp_l[k];
262 p_h = y1*t1;
263 z = p_l+p_h;
270 if(p_l+ovt>z-p_h) return s*huge*huge; /* overflow */
276 if(p_l<=z-p_h) return s*tiny*tiny; /* underflow */
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