PETSc version 3.17.4
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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 on snes

Input Parameters

snes - the solver
X - The last solution
Y - The step direction

Output Parameters

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

See Also

SNESNewtonTRDCSetPreCheck(), SNESNewtonTRDCGetPreCheck()

Level

developer

Location

src/snes/impls/ntrdc/ntrdc.c
Index of all SNES routines
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Index of all manual pages