1: #include <../src/tao/bound/impls/bqnk/bqnk.h> 3: /*MC 4: TAOBQNKLS - Bounded Quasi-Newton-Krylov Line Search method for nonlinear minimization with 5: bound constraints. This method approximates the Hessian-vector product using a 6: limited-memory quasi-Newton formula, and iteratively inverts the Hessian with a 7: Krylov solver. The quasi-Newton matrix and its settings can be accessed via the 8: prefix `-tao_bqnk_`. For options database, see TAOBNK 10: Level: beginner 11: .seealso TAOBNK, TAOBQNKTR, TAOBQNKTL 12: M*/ 13: PETSC_EXTERN PetscErrorCode TaoCreate_BQNKLS(Tao tao) 14: { 15: TAO_BNK *bnk; 16: TAO_BQNK *bqnk; 18: TaoCreate_BQNK(tao); 19: bnk = (TAO_BNK*)tao->data; 20: bnk->update_type = BNK_UPDATE_STEP; 21: bqnk = (TAO_BQNK*)bnk->ctx; 22: bqnk->solve = TaoSolve_BNLS; 23: return 0; 24: }