Lines Matching refs:fRy
135 double fRy = fAy; in lcl_IterateInverse() local
139 while ( nCount < 500 && fabs(fRy) > fYEps && in lcl_IterateInverse()
144 if (fPy!=fQy && fQy!=fRy && fRy!=fPy) in lcl_IterateInverse()
146 fSx = fPx * fRy * fQy / (fRy-fPy) / (fQy-fPy) in lcl_IterateInverse()
147 + fRx * fQy * fPy / (fQy-fRy) / (fPy-fRy) in lcl_IterateInverse()
148 + fQx * fPy * fRy / (fPy-fQy) / (fRy-fQy); in lcl_IterateInverse()
164 fPy = fQy; fQy = fRy; fRy = rFunction.GetValue(fSx); in lcl_IterateInverse()
166 if (lcl_HasChangeOfSign( fAy, fRy)) in lcl_IterateInverse()
168 fBx = fRx; fBy = fRy; in lcl_IterateInverse()
172 fAx = fRx; fAy = fRy; in lcl_IterateInverse()
176 bHasToInterpolate = bHasToInterpolate && (fabs(fRy) * 2.0 <= fabs(fQy)); in lcl_IterateInverse()