QPALM main
Proximal Augmented Lagrangian method for Quadratic Programs
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qpalm_fiface::qpalm_settings Type Reference

Detailed Description

settings derived type with component defaults bound to C’s QPALMSettings

See also
QPALMSettings

Definition at line 79 of file qpalm_fiface.F90.

+ Collaboration diagram for qpalm_fiface::qpalm_settings:

Data Fields

integer(kind=integer_kind_qpalmmax_iter = 10000
 maximum number of iterations: > 0
 
integer(kind=integer_kind_qpalminner_max_iter = 100
 maximum number of iterations per subproblem: > 0
 
real(kind=real_kind_qpalmeps_abs = ten ** ( - 4 )
 absolute convergence tolerance: >= 0, either eps_abs or eps_rel must be > 0
 
real(kind=real_kind_qpalmeps_rel = ten ** ( - 4 )
 relative convergence tolerance: >= 0, either eps_abs or eps_rel must be > 0
 
real(kind=real_kind_qpalmeps_abs_in = 1.0_real_kind_qpalm
 intermediate absolute convergence tolerance: >= 0, either eps_abs_in or eps_rel_in must be > 0
 
real(kind=real_kind_qpalmeps_rel_in = 1.0_real_kind_qpalm
 intermediate relative convergence tolerance: >= 0, either eps_abs_in or eps_rel_in must be > 0
 
real(kind=real_kind_qpalmrho = 0.1_real_kind_qpalm
 tolerance scaling factor: 0 < rho < 1
 
real(kind=real_kind_qpalmeps_prim_inf = ten ** ( - 5 )
 primal infeasibility tolerance: >= 0
 
real(kind=real_kind_qpalmeps_dual_inf = ten ** ( - 5 )
 dual infeasibility tolerance: >= 0
 
real(kind=real_kind_qpalmtheta = 0.25_real_kind_qpalm
 penalty update criterion parameter: <= 1
 
real(kind=real_kind_qpalmdelta = 100.0_real_kind_qpalm
 penalty update factor: > 1
 
real(kind=real_kind_qpalmsigma_max = ten ** 9
 penalty factor cap: > 0
 
real(kind=real_kind_qpalmsigma_init = 20.0_real_kind_qpalm
 initial penalty parameter (guideline): > 0
 
integer(kind=integer_kind_qpalmproximal = 1
 boolean, use proximal method of multipliers or not: in {0,1}
 
real(kind=real_kind_qpalmgamma_init = ten ** 7
 initial proximal penalty parameter: > 0
 
real(kind=real_kind_qpalmgamma_upd = 10.0_real_kind_qpalm
 proximal penalty update factor: >= 1
 
real(kind=real_kind_qpalmgamma_max = ten ** 7
 proximal penalty parameter cap: >= gamma_init
 
integer(kind=integer_kind_qpalmscaling = 10
 scaling iterations, if 0 then scaling is disabled: >= 0
 
integer(kind=integer_kind_qpalmnonconvex = 0
 boolean, indicates whether the QP is nonconvex: in {0,1}
 
integer(kind=integer_kind_qpalmverbose = 1
 boolean, write out progress: in {0,1}
 
integer(kind=integer_kind_qpalmprint_iter = 1
 frequency of printing: > 0
 
integer(kind=integer_kind_qpalmwarm_start = 0
 boolean, warm start: in {0,1}
 
integer(kind=integer_kind_qpalmreset_newton_iter = 10000
 frequency of performing a complete Cholesky factorization: > 0
 
integer(kind=integer_kind_qpalmenable_dual_termination = 0
 boolean, enable termination based on dual objective (useful in branch and bound): in {0,1}
 
real(kind=real_kind_qpalmdual_objective_limit = ten ** 20
 termination value for the dual objective (useful in branch and bound)
 
real(kind=real_kind_qpalmtime_limit = ten ** 20
 time limit: > 0
 
integer(kind=integer_kind_qpalmordering = 1
 ordering method for factorization: 0 No ordering is performed during the symbolic part of the factorization 1 Ordering method during the symbolic part of the factorization 2 The ordering was computed previously and is already stored
 
integer(kind=integer_kind_qpalmfactorization_method = 2
 factorize KKT or Schur complement: 0 factorize the kkt system 1 factorize the Schur complement 2 select automatically between kkt system and schur complemen
 
integer(kind=integer_kind_qpalmmax_rank_update = 160
 maximum rank for the sparse factorization update
 
real(kind=real_kind_qpalmmax_rank_update_fraction = 0.1_real_kind_qpalm
 maximum rank (relative to n+m) for the factorization update
 

Field Documentation

◆ max_iter

integer ( kind = integer_kind_qpalm ) qpalm_fiface::qpalm_settings::max_iter = 10000

maximum number of iterations: > 0

Definition at line 83 of file qpalm_fiface.F90.

◆ inner_max_iter

integer ( kind = integer_kind_qpalm ) qpalm_fiface::qpalm_settings::inner_max_iter = 100

maximum number of iterations per subproblem: > 0

Definition at line 87 of file qpalm_fiface.F90.

◆ eps_abs

real ( kind = real_kind_qpalm ) qpalm_fiface::qpalm_settings::eps_abs = ten ** ( - 4 )

absolute convergence tolerance: >= 0, either eps_abs or eps_rel must be > 0

Definition at line 92 of file qpalm_fiface.F90.

◆ eps_rel

real ( kind = real_kind_qpalm ) qpalm_fiface::qpalm_settings::eps_rel = ten ** ( - 4 )

relative convergence tolerance: >= 0, either eps_abs or eps_rel must be > 0

Definition at line 97 of file qpalm_fiface.F90.

◆ eps_abs_in

real ( kind = real_kind_qpalm ) qpalm_fiface::qpalm_settings::eps_abs_in = 1.0_real_kind_qpalm

intermediate absolute convergence tolerance: >= 0, either eps_abs_in or eps_rel_in must be > 0

Definition at line 102 of file qpalm_fiface.F90.

◆ eps_rel_in

real ( kind = real_kind_qpalm ) qpalm_fiface::qpalm_settings::eps_rel_in = 1.0_real_kind_qpalm

intermediate relative convergence tolerance: >= 0, either eps_abs_in or eps_rel_in must be > 0

Definition at line 107 of file qpalm_fiface.F90.

◆ rho

real ( kind = real_kind_qpalm ) qpalm_fiface::qpalm_settings::rho = 0.1_real_kind_qpalm

tolerance scaling factor: 0 < rho < 1

Definition at line 111 of file qpalm_fiface.F90.

◆ eps_prim_inf

real ( kind = real_kind_qpalm ) qpalm_fiface::qpalm_settings::eps_prim_inf = ten ** ( - 5 )

primal infeasibility tolerance: >= 0

Definition at line 115 of file qpalm_fiface.F90.

◆ eps_dual_inf

real ( kind = real_kind_qpalm ) qpalm_fiface::qpalm_settings::eps_dual_inf = ten ** ( - 5 )

dual infeasibility tolerance: >= 0

Definition at line 119 of file qpalm_fiface.F90.

◆ theta

real ( kind = real_kind_qpalm ) qpalm_fiface::qpalm_settings::theta = 0.25_real_kind_qpalm

penalty update criterion parameter: <= 1

Definition at line 123 of file qpalm_fiface.F90.

◆ delta

real ( kind = real_kind_qpalm ) qpalm_fiface::qpalm_settings::delta = 100.0_real_kind_qpalm

penalty update factor: > 1

Definition at line 127 of file qpalm_fiface.F90.

◆ sigma_max

real ( kind = real_kind_qpalm ) qpalm_fiface::qpalm_settings::sigma_max = ten ** 9

penalty factor cap: > 0

Definition at line 131 of file qpalm_fiface.F90.

◆ sigma_init

real ( kind = real_kind_qpalm ) qpalm_fiface::qpalm_settings::sigma_init = 20.0_real_kind_qpalm

initial penalty parameter (guideline): > 0

Definition at line 135 of file qpalm_fiface.F90.

◆ proximal

integer ( kind = integer_kind_qpalm ) qpalm_fiface::qpalm_settings::proximal = 1

boolean, use proximal method of multipliers or not: in {0,1}

Definition at line 139 of file qpalm_fiface.F90.

◆ gamma_init

real ( kind = real_kind_qpalm ) qpalm_fiface::qpalm_settings::gamma_init = ten ** 7

initial proximal penalty parameter: > 0

Definition at line 143 of file qpalm_fiface.F90.

◆ gamma_upd

real ( kind = real_kind_qpalm ) qpalm_fiface::qpalm_settings::gamma_upd = 10.0_real_kind_qpalm

proximal penalty update factor: >= 1

Definition at line 147 of file qpalm_fiface.F90.

◆ gamma_max

real ( kind = real_kind_qpalm ) qpalm_fiface::qpalm_settings::gamma_max = ten ** 7

proximal penalty parameter cap: >= gamma_init

Definition at line 151 of file qpalm_fiface.F90.

◆ scaling

integer ( kind = integer_kind_qpalm ) qpalm_fiface::qpalm_settings::scaling = 10

scaling iterations, if 0 then scaling is disabled: >= 0

Definition at line 155 of file qpalm_fiface.F90.

◆ nonconvex

integer ( kind = integer_kind_qpalm ) qpalm_fiface::qpalm_settings::nonconvex = 0

boolean, indicates whether the QP is nonconvex: in {0,1}

Definition at line 159 of file qpalm_fiface.F90.

◆ verbose

integer ( kind = integer_kind_qpalm ) qpalm_fiface::qpalm_settings::verbose = 1

boolean, write out progress: in {0,1}

Definition at line 163 of file qpalm_fiface.F90.

◆ print_iter

integer ( kind = integer_kind_qpalm ) qpalm_fiface::qpalm_settings::print_iter = 1

frequency of printing: > 0

Definition at line 167 of file qpalm_fiface.F90.

◆ warm_start

integer ( kind = integer_kind_qpalm ) qpalm_fiface::qpalm_settings::warm_start = 0

boolean, warm start: in {0,1}

Definition at line 171 of file qpalm_fiface.F90.

◆ reset_newton_iter

integer ( kind = integer_kind_qpalm ) qpalm_fiface::qpalm_settings::reset_newton_iter = 10000

frequency of performing a complete Cholesky factorization: > 0

Definition at line 175 of file qpalm_fiface.F90.

◆ enable_dual_termination

integer ( kind = integer_kind_qpalm ) qpalm_fiface::qpalm_settings::enable_dual_termination = 0

boolean, enable termination based on dual objective (useful in branch and bound): in {0,1}

Definition at line 180 of file qpalm_fiface.F90.

◆ dual_objective_limit

real ( kind = real_kind_qpalm ) qpalm_fiface::qpalm_settings::dual_objective_limit = ten ** 20

termination value for the dual objective (useful in branch and bound)

Definition at line 184 of file qpalm_fiface.F90.

◆ time_limit

real ( kind = real_kind_qpalm ) qpalm_fiface::qpalm_settings::time_limit = ten ** 20

time limit: > 0

Definition at line 188 of file qpalm_fiface.F90.

◆ ordering

integer ( kind = integer_kind_qpalm ) qpalm_fiface::qpalm_settings::ordering = 1

ordering method for factorization: 0 No ordering is performed during the symbolic part of the factorization 1 Ordering method during the symbolic part of the factorization 2 The ordering was computed previously and is already stored

Definition at line 195 of file qpalm_fiface.F90.

◆ factorization_method

integer ( kind = integer_kind_qpalm ) qpalm_fiface::qpalm_settings::factorization_method = 2

factorize KKT or Schur complement: 0 factorize the kkt system 1 factorize the Schur complement 2 select automatically between kkt system and schur complemen

Definition at line 202 of file qpalm_fiface.F90.

◆ max_rank_update

integer ( kind = integer_kind_qpalm ) qpalm_fiface::qpalm_settings::max_rank_update = 160

maximum rank for the sparse factorization update

Definition at line 206 of file qpalm_fiface.F90.

◆ max_rank_update_fraction

real ( kind = real_kind_qpalm ) qpalm_fiface::qpalm_settings::max_rank_update_fraction = 0.1_real_kind_qpalm

maximum rank (relative to n+m) for the factorization update

Definition at line 210 of file qpalm_fiface.F90.


The documentation for this type was generated from the following file: