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Lines Matching refs:xA

113      * @param xA Initial point.
121                        double xA,
127         double fA = eval(func, xA);
132             double tmp = xA;
133             xA = xB;
141         double xC = xB + GOLD * (xB - xA);
149             double tmp1 = (xB - xA) * (fB - fC);
155             double w = xB - ((xB - xC) * tmp2 - (xB -xA) * tmp1) / denom;
164                     xA = xB;
198             xA = xB;
206         lo = xA;