PISM, A Parallel Ice Sheet Model: pism::inverse::gradientFD

PISM, A Parallel Ice Sheet Model stable v2.1-1-g6902d5502 committed by Ed Bueler on 2023-12-20 08:38:27 -0800

◆ gradientFD() [1/2]

void pism::inverse::gradientFD	(	IPFunctional< array::Scalar > &	f,
		array::Scalar &	x,
		array::Scalar &	gradient
	)

Computes finite difference approximations of a IPFunctional<array::Scalar> gradient.

Useful for debugging a hand coded gradient.

Definition at line 28 of file IPFunctional.cc.

References pism::ParallelSection::check(), pism::Grid::com, pism::ParallelSection::failed(), pism::array::Array::grid(), pism::PointsWithGhosts::next(), pism::Grid::points(), pism::array::Array::update_ghosts(), and pism::inverse::IPFunctional< IMVecType >::valueAt().