TaoGetTolerances#

gets the current values of tolerances

Synopsis#

#include "petsctao.h" 
PetscErrorCode TaoGetTolerances(Tao tao, PetscReal *gatol, PetscReal *grtol, PetscReal *gttol)

Not Collective

Input Parameter#

  • tao - the Tao context

Output Parameters#

  • gatol - stop if norm of gradient is less than this

  • grtol - stop if relative norm of gradient is less than this

  • gttol - stop if norm of gradient is reduced by a this factor

Note#

NULL can be used as an argument if not all tolerances values are needed

See Also#

Tao, TaoSetTolerances()

Level#

intermediate

Location#

src/tao/interface/taosolver.c


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Index of all Tao routines
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Index of all manual pages