Actual source code: taoimpl.h
1: #ifndef __TAO_IMPL_H
4: #include <petsctao.h>
5: #include <petsctaolinesearch.h>
6: #include <petsc/private/petscimpl.h>
8: PETSC_EXTERN PetscBool TaoRegisterAllCalled;
9: PETSC_EXTERN PetscErrorCode TaoRegisterAll(void);
11: typedef struct _TaoOps *TaoOps;
13: struct _TaoOps {
14: /* Methods set by application */
15: PetscErrorCode (*computeobjective)(Tao, Vec, PetscReal *, void *);
16: PetscErrorCode (*computeobjectiveandgradient)(Tao, Vec, PetscReal *, Vec, void *);
17: PetscErrorCode (*computegradient)(Tao, Vec, Vec, void *);
18: PetscErrorCode (*computehessian)(Tao, Vec, Mat, Mat, void *);
19: PetscErrorCode (*computeresidual)(Tao, Vec, Vec, void *);
20: PetscErrorCode (*computeresidualjacobian)(Tao, Vec, Mat, Mat, void *);
21: PetscErrorCode (*computeconstraints)(Tao, Vec, Vec, void *);
22: PetscErrorCode (*computeinequalityconstraints)(Tao, Vec, Vec, void *);
23: PetscErrorCode (*computeequalityconstraints)(Tao, Vec, Vec, void *);
24: PetscErrorCode (*computejacobian)(Tao, Vec, Mat, Mat, void *);
25: PetscErrorCode (*computejacobianstate)(Tao, Vec, Mat, Mat, Mat, void *);
26: PetscErrorCode (*computejacobiandesign)(Tao, Vec, Mat, void *);
27: PetscErrorCode (*computejacobianinequality)(Tao, Vec, Mat, Mat, void *);
28: PetscErrorCode (*computejacobianequality)(Tao, Vec, Mat, Mat, void *);
29: PetscErrorCode (*computebounds)(Tao, Vec, Vec, void *);
30: PetscErrorCode (*update)(Tao, PetscInt, void *);
31: PetscErrorCode (*convergencetest)(Tao, void *);
32: PetscErrorCode (*convergencedestroy)(void *);
34: /* Methods set by solver */
35: PetscErrorCode (*computedual)(Tao, Vec, Vec);
36: PetscErrorCode (*setup)(Tao);
37: PetscErrorCode (*solve)(Tao);
38: PetscErrorCode (*view)(Tao, PetscViewer);
39: PetscErrorCode (*setfromoptions)(Tao, PetscOptionItems *);
40: PetscErrorCode (*destroy)(Tao);
41: };
43: #define MAXTAOMONITORS 10
45: struct _p_Tao {
46: PETSCHEADER(struct _TaoOps);
47: void *user;
48: void *user_objP;
49: void *user_objgradP;
50: void *user_gradP;
51: void *user_hessP;
52: void *user_lsresP;
53: void *user_lsjacP;
54: void *user_conP;
55: void *user_con_equalityP;
56: void *user_con_inequalityP;
57: void *user_jacP;
58: void *user_jac_equalityP;
59: void *user_jac_inequalityP;
60: void *user_jac_stateP;
61: void *user_jac_designP;
62: void *user_boundsP;
63: void *user_update;
65: PetscErrorCode (*monitor[MAXTAOMONITORS])(Tao, void *);
66: PetscErrorCode (*monitordestroy[MAXTAOMONITORS])(void **);
67: void *monitorcontext[MAXTAOMONITORS];
68: PetscInt numbermonitors;
69: void *cnvP;
70: TaoConvergedReason reason;
72: PetscBool setupcalled;
73: void *data;
75: Vec solution;
76: Vec gradient;
77: Vec stepdirection;
78: Vec XL;
79: Vec XU;
80: Vec IL;
81: Vec IU;
82: Vec DI;
83: Vec DE;
84: Mat hessian;
85: Mat hessian_pre;
86: Mat gradient_norm;
87: Vec gradient_norm_tmp;
88: Vec ls_res;
89: Mat ls_jac;
90: Mat ls_jac_pre;
91: Vec res_weights_v;
92: PetscInt res_weights_n;
93: PetscInt *res_weights_rows;
94: PetscInt *res_weights_cols;
95: PetscReal *res_weights_w;
96: Vec constraints;
97: Vec constraints_equality;
98: Vec constraints_inequality;
99: Mat jacobian;
100: Mat jacobian_pre;
101: Mat jacobian_inequality;
102: Mat jacobian_inequality_pre;
103: Mat jacobian_equality;
104: Mat jacobian_equality_pre;
105: Mat jacobian_state;
106: Mat jacobian_state_inv;
107: Mat jacobian_design;
108: Mat jacobian_state_pre;
109: Mat jacobian_design_pre;
110: IS state_is;
111: IS design_is;
112: PetscReal step;
113: PetscReal residual;
114: PetscReal gnorm0;
115: PetscReal cnorm;
116: PetscReal cnorm0;
117: PetscReal fc;
119: PetscInt max_it;
120: PetscInt max_funcs;
121: PetscInt max_constraints;
122: PetscInt nfuncs;
123: PetscInt ngrads;
124: PetscInt nfuncgrads;
125: PetscInt nhess;
126: PetscInt niter;
127: PetscInt ntotalits;
128: PetscInt nconstraints;
129: PetscInt niconstraints;
130: PetscInt neconstraints;
131: PetscInt njac;
132: PetscInt njac_equality;
133: PetscInt njac_inequality;
134: PetscInt njac_state;
135: PetscInt njac_design;
137: PetscInt ksp_its; /* KSP iterations for this solver iteration */
138: PetscInt ksp_tot_its; /* Total (cumulative) KSP iterations */
140: TaoLineSearch linesearch;
141: PetscBool lsflag; /* goes up when line search fails */
142: KSP ksp;
143: PetscReal trust0; /* initial trust region radius */
144: PetscReal trust; /* Current trust region */
146: /* EW type forcing term */
147: PetscBool ksp_ewconv;
148: SNES snes_ewdummy;
150: PetscReal gatol;
151: PetscReal grtol;
152: PetscReal gttol;
153: PetscReal catol;
154: PetscReal crtol;
155: PetscReal steptol;
156: PetscReal fmin;
157: PetscBool max_funcs_changed;
158: PetscBool max_it_changed;
159: PetscBool gatol_changed;
160: PetscBool grtol_changed;
161: PetscBool gttol_changed;
162: PetscBool fmin_changed;
163: PetscBool catol_changed;
164: PetscBool crtol_changed;
165: PetscBool steptol_changed;
166: PetscBool trust0_changed;
167: PetscBool printreason;
168: PetscBool viewsolution;
169: PetscBool viewgradient;
170: PetscBool viewconstraints;
171: PetscBool viewhessian;
172: PetscBool viewjacobian;
173: PetscBool bounded;
174: PetscBool constrained;
175: PetscBool eq_constrained;
176: PetscBool ineq_constrained;
177: PetscBool ineq_doublesided;
178: PetscBool header_printed;
179: PetscBool recycle;
181: TaoSubsetType subset_type;
182: PetscInt hist_max; /* Number of iteration histories to keep */
183: PetscReal *hist_obj; /* obj value at each iteration */
184: PetscReal *hist_resid; /* residual at each iteration */
185: PetscReal *hist_cnorm; /* constraint norm at each iteration */
186: PetscInt *hist_lits; /* number of ksp its at each TAO iteration */
187: PetscInt hist_len;
188: PetscBool hist_reset;
189: PetscBool hist_malloc;
190: };
192: PETSC_EXTERN PetscLogEvent TAO_Solve;
193: PETSC_EXTERN PetscLogEvent TAO_ObjectiveEval;
194: PETSC_EXTERN PetscLogEvent TAO_GradientEval;
195: PETSC_EXTERN PetscLogEvent TAO_ObjGradEval;
196: PETSC_EXTERN PetscLogEvent TAO_HessianEval;
197: PETSC_EXTERN PetscLogEvent TAO_ConstraintsEval;
198: PETSC_EXTERN PetscLogEvent TAO_JacobianEval;
200: static inline PetscErrorCode TaoLogConvergenceHistory(Tao tao, PetscReal obj, PetscReal resid, PetscReal cnorm, PetscInt totits)
201: {
202: if (tao->hist_max > tao->hist_len) {
203: if (tao->hist_obj) tao->hist_obj[tao->hist_len] = obj;
204: if (tao->hist_resid) tao->hist_resid[tao->hist_len] = resid;
205: if (tao->hist_cnorm) tao->hist_cnorm[tao->hist_len] = cnorm;
206: if (tao->hist_lits) {
207: PetscInt sits = totits;
209: for (PetscInt i = 0; i < tao->hist_len; i++) sits -= tao->hist_lits[i];
210: tao->hist_lits[tao->hist_len] = sits;
211: }
212: tao->hist_len++;
213: }
214: return 0;
215: }
217: PETSC_INTERN PetscErrorCode TaoVecGetSubVec(Vec, IS, TaoSubsetType, PetscReal, Vec *);
218: PETSC_INTERN PetscErrorCode TaoMatGetSubMat(Mat, IS, Vec, TaoSubsetType, Mat *);
219: PETSC_INTERN PetscErrorCode TaoGradientNorm(Tao, Vec, NormType, PetscReal *);
220: PETSC_INTERN PetscErrorCode TaoEstimateActiveBounds(Vec, Vec, Vec, Vec, Vec, Vec, PetscReal, PetscReal *, IS *, IS *, IS *, IS *, IS *);
221: PETSC_INTERN PetscErrorCode TaoBoundStep(Vec, Vec, Vec, IS, IS, IS, PetscReal, Vec);
222: PETSC_INTERN PetscErrorCode TaoBoundSolution(Vec, Vec, Vec, PetscReal, PetscInt *, Vec);
224: #endif