Lines Matching defs:hfsq
40 * Note that 2s = f - s*f = f - hfsq + s*hfsq, where hfsq = f*f/2.
44 * log(1+f) = f - (hfsq - s*(hfsq+R)). (better accuracy)
47 * = k*ln2_hi+(f-(hfsq-(s*(hfsq+R)+k*ln2_lo)))
91 double hfsq,f,s,z,R,w,t1,t2,dk;
136 hfsq=0.5*f*f;
137 if(k==0) return f-(hfsq-s*(hfsq+R)); else
138 return dk*ln2_hi-((hfsq-(s*(hfsq+R)+dk*ln2_lo))-f);