68   PetscViewer        monitor;  in SNESLineSearchApply_BT()  local
79   PetscCall(SNESLineSearchGetDefaultMonitor(linesearch, &monitor));  in SNESLineSearchApply_BT()
97     if (monitor) {  in SNESLineSearchApply_BT()
98       PetscCall(PetscViewerASCIIAddTab(monitor, ((PetscObject)linesearch)->tablevel));  in SNESLineSearchApply_BT()
99 …  PetscCall(PetscViewerASCIIPrintf(monitor, "    Line search: Initial direction and size is 0\n"));  in SNESLineSearchApply_BT()
100       PetscCall(PetscViewerASCIISubtractTab(monitor, ((PetscObject)linesearch)->tablevel));  in SNESLineSearchApply_BT()
155     if (monitor) {  in SNESLineSearchApply_BT()
156       PetscCall(PetscViewerASCIIAddTab(monitor, ((PetscObject)linesearch)->tablevel));  in SNESLineSearchApply_BT()
157 …PetscCall(PetscViewerASCIIPrintf(monitor, "    Line search: objective function at lambdas = %g is …  in SNESLineSearchApply_BT()
158       PetscCall(PetscViewerASCIISubtractTab(monitor, ((PetscObject)linesearch)->tablevel));  in SNESLineSearchApply_BT()
166     if (monitor) {  in SNESLineSearchApply_BT()
167       PetscCall(PetscViewerASCIIAddTab(monitor, ((PetscObject)linesearch)->tablevel));  in SNESLineSearchApply_BT()
169 …PetscCall(PetscViewerASCIIPrintf(monitor, "    Line search: Using full step: fnorm %14.12e gnorm %…  in SNESLineSearchApply_BT()
171 …PetscCall(PetscViewerASCIIPrintf(monitor, "    Line search: Using full step: old obj %14.12e new o…  in SNESLineSearchApply_BT()
173       PetscCall(PetscViewerASCIISubtractTab(monitor, ((PetscObject)linesearch)->tablevel));  in SNESLineSearchApply_BT()
180       if (monitor) {  in SNESLineSearchApply_BT()
181         PetscCall(PetscViewerASCIIAddTab(monitor, ((PetscObject)linesearch)->tablevel));  in SNESLineSearchApply_BT()
182 …PetscCall(PetscViewerASCIIPrintf(monitor, "    Line search: Ended due to ynorm < stol*xnorm (%14.1…  in SNESLineSearchApply_BT()
183         PetscCall(PetscViewerASCIISubtractTab(monitor, ((PetscObject)linesearch)->tablevel));  in SNESLineSearchApply_BT()
222       if (monitor) {  in SNESLineSearchApply_BT()
223         PetscCall(PetscViewerASCIIAddTab(monitor, ((PetscObject)linesearch)->tablevel));  in SNESLineSearchApply_BT()
225 …PetscCall(PetscViewerASCIIPrintf(monitor, "    Line search: gnorm after quadratic fit %14.12e\n", …  in SNESLineSearchApply_BT()
227 …PetscCall(PetscViewerASCIIPrintf(monitor, "    Line search: obj after quadratic fit %14.12e\n", (d…  in SNESLineSearchApply_BT()
229         PetscCall(PetscViewerASCIISubtractTab(monitor, ((PetscObject)linesearch)->tablevel));  in SNESLineSearchApply_BT()
233       if (monitor) {  in SNESLineSearchApply_BT()
234         PetscCall(PetscViewerASCIIAddTab(monitor, ((PetscObject)linesearch)->tablevel));  in SNESLineSearchApply_BT()
235 …PetscCall(PetscViewerASCIIPrintf(monitor, "    Line search: Quadratically determined step, lambda=…  in SNESLineSearchApply_BT()
236         PetscCall(PetscViewerASCIISubtractTab(monitor, ((PetscObject)linesearch)->tablevel));  in SNESLineSearchApply_BT()
241           if (monitor) {  in SNESLineSearchApply_BT()
242             PetscCall(PetscViewerASCIIAddTab(monitor, ((PetscObject)linesearch)->tablevel));  in SNESLineSearchApply_BT()
243 …PetscCall(PetscViewerASCIIPrintf(monitor, "    Line search: unable to find good step length! After…  in SNESLineSearchApply_BT()
245 …PetscCall(PetscViewerASCIIPrintf(monitor, "    Line search: fnorm=%18.16e, gnorm=%18.16e, ynorm=%1…  in SNESLineSearchApply_BT()
247 …PetscCall(PetscViewerASCIIPrintf(monitor, "    Line search: obj(0)=%18.16e, obj=%18.16e, ynorm=%18…  in SNESLineSearchApply_BT()
249             PetscCall(PetscViewerASCIISubtractTab(monitor, ((PetscObject)linesearch)->tablevel));  in SNESLineSearchApply_BT()
297           if (monitor) {  in SNESLineSearchApply_BT()
298             PetscCall(PetscViewerASCIIAddTab(monitor, ((PetscObject)linesearch)->tablevel));  in SNESLineSearchApply_BT()
300 …PetscCall(PetscViewerASCIIPrintf(monitor, "    Line search: %s step, current gnorm %14.12e lambda=…  in SNESLineSearchApply_BT()
301               PetscCall(PetscViewerASCIISubtractTab(monitor, ((PetscObject)linesearch)->tablevel));  in SNESLineSearchApply_BT()
303 …PetscCall(PetscViewerASCIIPrintf(monitor, "    Line search: %s step, obj %14.12e lambda=%18.16e\n"…  in SNESLineSearchApply_BT()
304               PetscCall(PetscViewerASCIISubtractTab(monitor, ((PetscObject)linesearch)->tablevel));  in SNESLineSearchApply_BT()
308         } else if (monitor) {  in SNESLineSearchApply_BT()
309           PetscCall(PetscViewerASCIIAddTab(monitor, ((PetscObject)linesearch)->tablevel));  in SNESLineSearchApply_BT()
311 …PetscCall(PetscViewerASCIIPrintf(monitor, "    Line search: %s step no good, shrinking lambda, cur…  in SNESLineSearchApply_BT()
312             PetscCall(PetscViewerASCIISubtractTab(monitor, ((PetscObject)linesearch)->tablevel));  in SNESLineSearchApply_BT()
314 …PetscCall(PetscViewerASCIIPrintf(monitor, "    Line search: %s step no good, shrinking lambda, obj…  in SNESLineSearchApply_BT()
315             PetscCall(PetscViewerASCIISubtractTab(monitor, ((PetscObject)linesearch)->tablevel));  in SNESLineSearchApply_BT()