Lines Matching refs:f
104 double hfsq,f,c,s,z,R,u; in log1p() local
124 k=0;f=x;hu=1;} /* sqrt(2)/2- <= 1+x < sqrt(2)+ */ in log1p()
155 f = u-1.0; in log1p()
157 hfsq=0.5*f*f; in log1p()
159 if(f==zero) { in log1p()
167 R = hfsq*(1.0-0.66666666666666666*f); in log1p()
168 if(k==0) return f-R; else in log1p()
169 return k*ln2_hi-((R-(k*ln2_lo+c))-f); in log1p()
171 s = f/(2.0+f); in log1p()
174 if(k==0) return f-(hfsq-s*(hfsq+R)); else in log1p()
175 return k*ln2_hi-((hfsq-(s*(hfsq+R)+(k*ln2_lo+c)))-f); in log1p()