SNESLineSearchGetPreCheck#

Gets the pre-check function for the line search routine.

Synopsis#

#include "petscsnes.h" 
PetscErrorCode SNESLineSearchGetPreCheck(SNESLineSearch linesearch, PetscErrorCode (**func)(SNESLineSearch, Vec, Vec, PetscBool *, void *), void **ctx)

Input Parameter#

Output Parameters#

  • func - [optional] function evaluation routine, for calling sequence see SNESLineSearchSetPreCheck()

  • ctx - [optional] user-defined context for private data for the function evaluation routine (may be NULL)

See Also#

SNES: Nonlinear Solvers, SNES, SNESLineSearch, SNESGetLineSearch(), SNESLineSearchPreCheck(), SNESLineSearchGetPostCheck(), SNESLineSearchSetPreCheck(), SNESLineSearchSetPostCheck()

Level#

intermediate

Location#

src/snes/linesearch/interface/linesearch.c


Index of all SNES routines
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Index of all manual pages