SNESNewtonTRDCPreCheck#

Called before the step has been determined in SNESNEWTONTRDC

Synopsis#

#include "petscsnes.h"   
static PetscErrorCode SNESNewtonTRDCPreCheck(SNES snes, Vec X, Vec Y, PetscBool *changed_Y)

Logically Collective

Input Parameters#

  • snes - the solver

  • X - The last solution

  • Y - The step direction

Output Parameter#

  • changed_Y - Indicator that the step direction Y has been changed.

See Also#

SNES: Nonlinear Solvers, SNES, SNESNEWTONTRDC, SNESNewtonTRDCSetPreCheck(), SNESNewtonTRDCGetPreCheck(), SNESNewtonTRDCPostCheck()

Level#

developer

Location#

src/snes/impls/ntrdc/ntrdc.c

Index of all SNES routines
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Index of all manual pages