petsc-3.9.0 2018-04-07
SNESLineSearchPreCheckFunction
form of function passed to check the search direction before line search is called
Synopsis
#include <petscsnes.h>
SNESLineSearchPreCheckFunction(SNESLineSearch snes,Vec x,Vec y, PetscBool *changed);
Input Parameters
| x | - solution vector
|
| y | - search direction vector
|
| changed | - flag to indicate the precheck changed x or y.
|
Note: This is NOTE a PETSc function, rather it documents the calling sequence of functions passed to SNESLineSearchSetPreCheck()
and SNESLineSearchGetPreCheck()
See Also
SNESLineSearchSetPreCheck(), SNESLineSearchGetPreCheck(), SNESLineSearchSetPostCheck(), SNESLineSearchGetPostCheck()
Level
advanced
Location
src/snes/linesearch/interface/linesearch.c
Index of all SNES routines
Table of Contents for all manual pages
Index of all manual pages