petsc-master 2016-02-06
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TaoSetConstraintTolerances

Sets constraint tolerance parameters used in TAO convergence tests

Synopsis

#include "petsctao.h" 
PetscErrorCode TaoSetConstraintTolerances(Tao tao, PetscReal catol, PetscReal crtol)
Logically collective on Tao

Input Parameters

tao - the Tao context
catol - absolute constraint tolerance, constraint norm must be less than catol for used for gatol convergence criteria
crtol - relative contraint tolerance, constraint norm must be less than crtol for used for gatol, gttol convergence criteria

Options Database Keys

-tao_catol <catol> - Sets catol
-tao_crtol <crtol> - Sets crtol

Notes

Use PETSC_DEFAULT to leave any tolerance unchanged.

See Also

TaoGetTolerances(), TaoGetConstraintTolerances(), TaoSetTolerances()

Level:intermediate
Location:
src/tao/interface/taosolver.c
Index of all Tao routines
Table of Contents for all manual pages
Index of all manual pages