22 static PetscErrorCode SNESLineSearchReset_NLEQERR(SNESLineSearch linesearch)  in SNESLineSearchReset_NLEQERR()  argument
24   SNESLineSearch_NLEQERR *nleqerr = (SNESLineSearch_NLEQERR *)linesearch->data;  in SNESLineSearchReset_NLEQERR()
33 static PetscErrorCode SNESLineSearchApply_NLEQERR(SNESLineSearch linesearch)  in SNESLineSearchApply_NLEQERR()  argument
43   SNESLineSearch_NLEQERR *nleqerr = (SNESLineSearch_NLEQERR *)linesearch->data;  in SNESLineSearchApply_NLEQERR()
49   PetscCall(SNESLineSearchGetVecs(linesearch, &X, &F, &Y, &W, &G));  in SNESLineSearchApply_NLEQERR()
50   PetscCall(SNESLineSearchGetNorms(linesearch, &xnorm, &fnorm, &ynorm));  in SNESLineSearchApply_NLEQERR()
51   PetscCall(SNESLineSearchGetLambda(linesearch, &lambda));  in SNESLineSearchApply_NLEQERR()
52   PetscCall(SNESLineSearchGetSNES(linesearch, &snes));  in SNESLineSearchApply_NLEQERR()
53   PetscCall(SNESLineSearchGetDefaultMonitor(linesearch, &monitor));  in SNESLineSearchApply_NLEQERR()
54   PetscCall(SNESLineSearchGetTolerances(linesearch, &minlambda, NULL, NULL, NULL, NULL, &max_it));  in SNESLineSearchApply_NLEQERR()
59   if (!snes_iteration) PetscCall(SNESLineSearchReset_NLEQERR(linesearch));  in SNESLineSearchApply_NLEQERR()
62   PetscCall(SNESLineSearchPreCheck(linesearch, X, Y, &changed_y));  in SNESLineSearchApply_NLEQERR()
63   PetscCall(SNESLineSearchSetReason(linesearch, SNES_LINESEARCH_SUCCEEDED));  in SNESLineSearchApply_NLEQERR()
74       PetscCall(PetscViewerASCIIAddTab(monitor, ((PetscObject)linesearch)->tablevel));  in SNESLineSearchApply_NLEQERR()
76       PetscCall(PetscViewerASCIISubtractTab(monitor, ((PetscObject)linesearch)->tablevel));  in SNESLineSearchApply_NLEQERR()
80     PetscCall(SNESLineSearchSetNorms(linesearch, xnorm, fnorm, ynorm));  in SNESLineSearchApply_NLEQERR()
81     PetscCall(SNESLineSearchSetReason(linesearch, SNES_LINESEARCH_FAILED_REDUCT));  in SNESLineSearchApply_NLEQERR()
92     PetscCall(PetscViewerASCIIAddTab(monitor, ((PetscObject)linesearch)->tablevel));  in SNESLineSearchApply_NLEQERR()
94     PetscCall(PetscViewerASCIISubtractTab(monitor, ((PetscObject)linesearch)->tablevel));  in SNESLineSearchApply_NLEQERR()
107       PetscCall(PetscViewerASCIIAddTab(monitor, ((PetscObject)linesearch)->tablevel));  in SNESLineSearchApply_NLEQERR()
109       PetscCall(PetscViewerASCIISubtractTab(monitor, ((PetscObject)linesearch)->tablevel));  in SNESLineSearchApply_NLEQERR()
112     lambda = linesearch->damping;  in SNESLineSearchApply_NLEQERR()
121       PetscCall(PetscViewerASCIIAddTab(monitor, ((PetscObject)linesearch)->tablevel));  in SNESLineSearchApply_NLEQERR()
123       PetscCall(PetscViewerASCIISubtractTab(monitor, ((PetscObject)linesearch)->tablevel));  in SNESLineSearchApply_NLEQERR()
130         PetscCall(PetscViewerASCIIAddTab(monitor, ((PetscObject)linesearch)->tablevel));  in SNESLineSearchApply_NLEQERR()
132         PetscCall(PetscViewerASCIISubtractTab(monitor, ((PetscObject)linesearch)->tablevel));  in SNESLineSearchApply_NLEQERR()
134       PetscCall(SNESLineSearchSetReason(linesearch, SNES_LINESEARCH_FAILED_REDUCT));  in SNESLineSearchApply_NLEQERR()
142         PetscCall(PetscViewerASCIIAddTab(monitor, ((PetscObject)linesearch)->tablevel));  in SNESLineSearchApply_NLEQERR()
144         PetscCall(PetscViewerASCIISubtractTab(monitor, ((PetscObject)linesearch)->tablevel));  in SNESLineSearchApply_NLEQERR()
150       PetscCall(SNESLineSearchReset_NLEQERR(linesearch));  in SNESLineSearchApply_NLEQERR()
176       PetscCall(PetscViewerASCIIAddTab(monitor, ((PetscObject)linesearch)->tablevel));  in SNESLineSearchApply_NLEQERR()
178       PetscCall(PetscViewerASCIISubtractTab(monitor, ((PetscObject)linesearch)->tablevel));  in SNESLineSearchApply_NLEQERR()
194         PetscCall(PetscViewerASCIIAddTab(monitor, ((PetscObject)linesearch)->tablevel));  in SNESLineSearchApply_NLEQERR()
196         PetscCall(PetscViewerASCIISubtractTab(monitor, ((PetscObject)linesearch)->tablevel));  in SNESLineSearchApply_NLEQERR()
230   if (linesearch->ops->viproject) PetscCall((*linesearch->ops->viproject)(snes, G));  in SNESLineSearchApply_NLEQERR()
236   PetscCall(SNESLineSearchPostCheck(linesearch, X, Y, G, &changed_y, &changed_w));  in SNESLineSearchApply_NLEQERR()
238     PetscCall(SNESLineSearchSetReason(linesearch, SNES_LINESEARCH_FAILED_USER));  in SNESLineSearchApply_NLEQERR()
252   SNESLineSearchCheckFunctionDomainError(snes, linesearch, fnorm);  in SNESLineSearchApply_NLEQERR()
253   PetscCall(SNESLineSearchSetLambda(linesearch, lambda));  in SNESLineSearchApply_NLEQERR()
254   PetscCall(SNESLineSearchSetNorms(linesearch, xnorm, fnorm, ynorm < 0 ? PETSC_INFINITY : ynorm));  in SNESLineSearchApply_NLEQERR()
258 static PetscErrorCode SNESLineSearchView_NLEQERR(SNESLineSearch linesearch, PetscViewer viewer)  in SNESLineSearchView_NLEQERR()  argument
265   nleqerr = (SNESLineSearch_NLEQERR *)linesearch->data;  in SNESLineSearchView_NLEQERR()
273 static PetscErrorCode SNESLineSearchDestroy_NLEQERR(SNESLineSearch linesearch)  in SNESLineSearchDestroy_NLEQERR()  argument
276   PetscCall(PetscFree(linesearch->data));  in SNESLineSearchDestroy_NLEQERR()
300 PETSC_EXTERN PetscErrorCode SNESLineSearchCreate_NLEQERR(SNESLineSearch linesearch)  in SNESLineSearchCreate_NLEQERR()  argument
305   linesearch->ops->apply          = SNESLineSearchApply_NLEQERR;  in SNESLineSearchCreate_NLEQERR()
306   linesearch->ops->destroy        = SNESLineSearchDestroy_NLEQERR;  in SNESLineSearchCreate_NLEQERR()
307   linesearch->ops->setfromoptions = NULL;  in SNESLineSearchCreate_NLEQERR()
308   linesearch->ops->reset          = SNESLineSearchReset_NLEQERR;  in SNESLineSearchCreate_NLEQERR()
309   linesearch->ops->view           = SNESLineSearchView_NLEQERR;  in SNESLineSearchCreate_NLEQERR()
310   linesearch->ops->setup          = NULL;  in SNESLineSearchCreate_NLEQERR()
314   linesearch->data   = (void *)nleqerr;  in SNESLineSearchCreate_NLEQERR()
315   linesearch->max_it = 40;  in SNESLineSearchCreate_NLEQERR()
316   PetscCall(SNESLineSearchReset_NLEQERR(linesearch));  in SNESLineSearchCreate_NLEQERR()