xref: /petsc/src/tao/bound/impls/blmvm/blmvm.h (revision 9dd11ecf0918283bb567d8b33a92f53ac4ea7840)

/*
  Private data structure used for blmvm method.
*/

#pragma once

#include <petsc/private/taoimpl.h>

/*
 Context for limited memory variable metric method for bound constrained
 optimization.
*/
typedef struct {
  Mat M;

  Vec unprojected_gradient;
  Vec Xold;
  Vec Gold;

  PetscInt n_free;
  PetscInt n_bind;

  PetscInt grad;
  PetscInt reset;
  Mat      H0;

  PetscBool recycle;
} TAO_BLMVM;