36   Vec                     X, F, Y, W, G;  in SNESLineSearchApply_NLEQERR()  local
49   PetscCall(SNESLineSearchGetVecs(linesearch, &X, &F, &Y, &W, &G));  in SNESLineSearchApply_NLEQERR()
78     PetscCall(VecCopy(X, W));  in SNESLineSearchApply_NLEQERR()
99     PetscCall(VecWAXPY(G, +1.0, Y, W)); /* bar_delta_x - delta_x; +1 because Y is -delta_x */  in SNESLineSearchApply_NLEQERR()
164     PetscCall(VecWAXPY(W, -lambda, Y, X));  in SNESLineSearchApply_NLEQERR()
165     PetscCall(SNESComputeFunction(snes, W, G));  in SNESLineSearchApply_NLEQERR()
168     PetscCall(KSPSolve(snes->ksp, G, W));  in SNESLineSearchApply_NLEQERR()
174     PetscCall(VecNorm(W, NORM_2, &wnorm));  in SNESLineSearchApply_NLEQERR()
185     PetscCall(VecWAXPY(G, -(1.0 - lambda), Y, W));  in SNESLineSearchApply_NLEQERR()
209         PetscCall(VecAXPY(G, -1.0, W));  in SNESLineSearchApply_NLEQERR()
233   PetscCall(VecScale(W, -1.0));  in SNESLineSearchApply_NLEQERR()