7   Vec       X, F, Y, W;  in SNESLineSearchApply_Basic()  local
12   PetscCall(SNESLineSearchGetVecs(linesearch, &X, &F, &Y, &W, NULL));  in SNESLineSearchApply_Basic()
22   PetscCall(VecWAXPY(W, -lambda, Y, X));  in SNESLineSearchApply_Basic()
23   if (linesearch->ops->viproject) PetscCall((*linesearch->ops->viproject)(snes, W));  in SNESLineSearchApply_Basic()
26   PetscCall(SNESLineSearchPostCheck(linesearch, X, Y, W, &changed_y, &changed_w));  in SNESLineSearchApply_Basic()
28     if (!changed_w) PetscCall(VecWAXPY(W, -lambda, Y, X));  in SNESLineSearchApply_Basic()
29     if (linesearch->ops->viproject) PetscCall((*linesearch->ops->viproject)(snes, W));  in SNESLineSearchApply_Basic()
32     PetscCall((*linesearch->ops->snesfunc)(snes, W, F));  in SNESLineSearchApply_Basic()
38     PetscCall(VecNormBegin(W, NORM_2, &linesearch->xnorm));  in SNESLineSearchApply_Basic()
40     PetscCall(VecNormEnd(W, NORM_2, &linesearch->xnorm));  in SNESLineSearchApply_Basic()
45       PetscCall((*linesearch->ops->vinorm)(snes, F, W, &linesearch->fnorm));  in SNESLineSearchApply_Basic()
50   PetscCall(VecCopy(W, X));  in SNESLineSearchApply_Basic()