4 static PetscErrorCode SNESLineSearchApply_Basic(SNESLineSearch linesearch)  in SNESLineSearchApply_Basic()  argument
12   PetscCall(SNESLineSearchGetVecs(linesearch, &X, &F, &Y, &W, NULL));  in SNESLineSearchApply_Basic()
13   PetscCall(SNESLineSearchGetNorms(linesearch, &xnorm, &gnorm, &ynorm));  in SNESLineSearchApply_Basic()
14   PetscCall(SNESLineSearchGetLambda(linesearch, &lambda));  in SNESLineSearchApply_Basic()
15   PetscCall(SNESLineSearchGetSNES(linesearch, &snes));  in SNESLineSearchApply_Basic()
16   PetscCall(SNESLineSearchSetReason(linesearch, SNES_LINESEARCH_SUCCEEDED));  in SNESLineSearchApply_Basic()
19   PetscCall(SNESLineSearchPreCheck(linesearch, X, Y, &changed_y));  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()
29     if (linesearch->ops->viproject) PetscCall((*linesearch->ops->viproject)(snes, W));  in SNESLineSearchApply_Basic()
31   if (linesearch->norms || snes->iter < snes->max_its - 1) {  in SNESLineSearchApply_Basic()
32     PetscCall((*linesearch->ops->snesfunc)(snes, W, F));  in SNESLineSearchApply_Basic()
34     SNESLineSearchCheckFunctionDomainError(snes, linesearch, fnorm);  in SNESLineSearchApply_Basic()
36   if (linesearch->norms) {  in SNESLineSearchApply_Basic()
37     PetscCall(VecNormBegin(Y, NORM_2, &linesearch->ynorm));  in SNESLineSearchApply_Basic()
38     PetscCall(VecNormBegin(W, NORM_2, &linesearch->xnorm));  in SNESLineSearchApply_Basic()
39     PetscCall(VecNormEnd(Y, NORM_2, &linesearch->ynorm));  in SNESLineSearchApply_Basic()
40     PetscCall(VecNormEnd(W, NORM_2, &linesearch->xnorm));  in SNESLineSearchApply_Basic()
42     if (linesearch->ops->vinorm) {  in SNESLineSearchApply_Basic()
43       linesearch->fnorm = gnorm;  in SNESLineSearchApply_Basic()
45       PetscCall((*linesearch->ops->vinorm)(snes, F, W, &linesearch->fnorm));  in SNESLineSearchApply_Basic()
46     } else linesearch->fnorm = fnorm;  in SNESLineSearchApply_Basic()
74 PETSC_EXTERN PetscErrorCode SNESLineSearchCreate_Basic(SNESLineSearch linesearch)  in SNESLineSearchCreate_Basic()  argument
77   linesearch->ops->apply          = SNESLineSearchApply_Basic;  in SNESLineSearchCreate_Basic()
78   linesearch->ops->destroy        = NULL;  in SNESLineSearchCreate_Basic()
79   linesearch->ops->setfromoptions = NULL;  in SNESLineSearchCreate_Basic()
80   linesearch->ops->reset          = NULL;  in SNESLineSearchCreate_Basic()
81   linesearch->ops->view           = NULL;  in SNESLineSearchCreate_Basic()
82   linesearch->ops->setup          = NULL;  in SNESLineSearchCreate_Basic()