113     FVectorType wa1, wa2, wa3, wa4;  variable
147     wa1.resize(n); wa2.resize(n); wa3.resize(n); wa4.resize(n);  in solveInit()
202     wa2 = fjac.colwise().blueNorm();  in solveOneStep()
209                 diag[j] = (wa2[j]==0.) ? 1. : wa2[j];  in solveOneStep()
233         diag = diag.cwiseMax(wa2);  in solveOneStep()
241         wa2 = x + wa1;  in solveOneStep()
249         if ( functor(wa2, wa4) < 0)  in solveOneStep()
289             x = wa2;  in solveOneStep()
290             wa2 = diag.cwiseProduct(x);  in solveOneStep()
292             xnorm = wa2.stableNorm();  in solveOneStep()
327         wa2 = fjac.transpose() * wa4;  in solveOneStep()
329             qtf = wa2;  in solveOneStep()
330         wa2 = (wa2-wa3)/pnorm;  in solveOneStep()
333         internal::r1updt<Scalar>(R, wa1, v_givens, w_givens, wa2, wa3, &sing);  in solveOneStep()
387     wa1.resize(n); wa2.resize(n); wa3.resize(n); wa4.resize(n);  in solveNumericalDiffInit()
445     wa2 = fjac.colwise().blueNorm();  in solveNumericalDiffOneStep()
452                 diag[j] = (wa2[j]==0.) ? 1. : wa2[j];  in solveNumericalDiffOneStep()
476         diag = diag.cwiseMax(wa2);  in solveNumericalDiffOneStep()
484         wa2 = x + wa1;  in solveNumericalDiffOneStep()
492         if ( functor(wa2, wa4) < 0)  in solveNumericalDiffOneStep()
532             x = wa2;  in solveNumericalDiffOneStep()
533             wa2 = diag.cwiseProduct(x);  in solveNumericalDiffOneStep()
535             xnorm = wa2.stableNorm();  in solveNumericalDiffOneStep()
570         wa2 = fjac.transpose() * wa4;  in solveNumericalDiffOneStep()
572             qtf = wa2;  in solveNumericalDiffOneStep()
573         wa2 = (wa2-wa3)/pnorm;  in solveNumericalDiffOneStep()
576         internal::r1updt<Scalar>(R, wa1, v_givens, w_givens, wa2, wa3, &sing);  in solveNumericalDiffOneStep()