SNESNewtonTRPreCheck#

Runs the precheck routine

Synopsis#

#include "petscsnes.h"   
PetscErrorCode SNESNewtonTRPreCheck(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, SNESNEWTONTR, SNESNewtonTRSetPreCheck(), SNESNewtonTRGetPreCheck(), SNESNewtonTRPostCheck()

Level#

intermediate

Location#

src/snes/impls/tr/tr.c

Index of all SNES routines
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Index of all manual pages