Lines Matching defs:hfsq
46 * Note that 2s = f - s*f = f - hfsq + s*hfsq, where hfsq = f*f/2.
50 * log(1+f) = f - (hfsq - s*(hfsq+R)). (better accuracy)
53 * = k*ln2_hi+(f-(hfsq-(s*(hfsq+R)+k*ln2_lo)))
90 double hfsq,s,z,R,w,t1,t2;
98 hfsq=0.5*f*f;
99 return s*(hfsq+R);
