petsc-3.5.4 2015-05-23
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SNESLineSearchPreCheckFunction

 form of function passed to check the search direction before line search is called

Synopsis

#include 
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