TaoIsGradientDefined

Checks to see if the user has declared an objective-only routine. Useful for determining when it is appropriate to call TaoComputeGradient() or TaoComputeGradientAndGradient()

Synopsis

#include "petsctao.h" 
PetscErrorCode TaoIsGradientDefined(Tao tao, PetscBool *flg)

Not Collective

Input Parameter

• tao - the Tao context

Output Parameter

• flg - PETSC_TRUE if function routine is set by user, PETSC_FALSE otherwise

See Also

TAO: Optimization Solvers, TaoSetGradient(), TaoIsObjectiveDefined(), TaoIsObjectiveAndGradientDefined()

Level

developer

Location

src/tao/interface/taosolver_fg.c

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Index of all Tao routines
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Index of all manual pages