1 #ifndef __TAO_IPM_H 2 #define __TAO_IPM_H 3 #include <petsc/private/taoimpl.h> 4 5 /* 6 Context for Interior-Point Method 7 */ 8 9 typedef struct { 10 PetscInt mi, me, n, nxb, nib, nb, nslack; 11 PetscInt nuser_inequalities; 12 PetscInt nxlb, nxub, niub, nilb; 13 PetscScalar sig, mu, taumin, dec; 14 PetscScalar muaff; 15 TaoLineSearch lag_ls; 16 Vec work, rhs_x, save_x; 17 Vec lambdai, dlambdai, rhs_lambdai, save_lambdai; 18 Vec lambdae, dlambdae, rhs_lambdae, save_lambdae; 19 Vec s, ds, rhs_s, save_s; 20 Vec ci; 21 Vec Zero_nb, One_nb, Inf_nb; 22 PetscScalar kkt_f; /* d'*x + (1/2)*x'*H*x; */ 23 Vec rd; /* H*x + d + Ae'*lambdae - Ai'*lambdai */ 24 Vec rpe; /* residual Ae*x - be */ 25 Vec rpi; /* Ai*x - yi - bi */ 26 Vec complementarity; /* yi.*lambdai */ 27 PetscScalar phi; 28 Mat L; /* diag(lambdai) */ 29 Mat Y; /* diag(yi) */ 30 Mat Ai; /* JacI (lb) 31 -JacI (ub) 32 I (xlb) 33 -I (xub) */ 34 Mat K; /* [ H , 0, Ae',-Ai']; 35 [Ae , 0, 0 , 0]; 36 [Ai ,-Imi, 0 , 0]; 37 [ 0 , L , 0 , Y ]; */ 38 39 Vec bigrhs; /* rhs [x; lambdae; yi; lambdai] */ 40 Vec bigstep; /* [dx; dyi; dlambdae; dlambdai] */ 41 PetscBool monitorkkt; 42 PetscScalar alpha1, alpha2; 43 PetscScalar pushs, pushnu; 44 IS isxl, isxu, isil, isiu; 45 VecScatter ci_scat, xl_scat, xu_scat; 46 VecScatter step1, step2, step3, step4; 47 VecScatter rhs1, rhs2, rhs3, rhs4; 48 } TAO_IPM; 49 50 #endif /* ifndef __TAO_IPM_H */ 51