scippp::params::CONSTRAINTS::COMPONENTS Namespace Reference

Parameters with prefix constraints/components. More...

Variables
constexpr Param< bool >	DELAYPROP { "constraints/components/delayprop" }
	should propagation method be delayed, if other propagators found reductions?
constexpr Param< bool >	DELAYSEPA { "constraints/components/delaysepa" }
	should separation method be delayed, if other separators found cuts?
constexpr Param< int >	EAGERFREQ { "constraints/components/eagerfreq" }
	frequency for using all instead of only the useful constraints in separation, propagation and enforcement (-1: never, 0: only in first evaluation)
constexpr Param< double >	FEASTOLFACTOR { "constraints/components/feastolfactor" }
	factor to increase the feasibility tolerance of the main SCIP in all sub-SCIPs, default value 1.0
constexpr Param< double >	INTFACTOR { "constraints/components/intfactor" }
	the weight of an integer variable compared to binary variables
constexpr Param< int >	MAXDEPTH { "constraints/components/maxdepth" }
	maximum depth of a node to run components detection (-1: disable component detection during solving)
constexpr Param< int >	MAXINTVARS { "constraints/components/maxintvars" }
	maximum number of integer (or binary) variables to solve a subproblem during presolving (-1: unlimited)
constexpr Param< int >	MAXPREROUNDS { "constraints/components/maxprerounds" }
	maximal number of presolving rounds the constraint handler participates in (-1: no limit)
constexpr Param< double >	MINRELSIZE { "constraints/components/minrelsize" }
	minimum relative size (in terms of variables) to solve a component individually during branch-and-bound
constexpr Param< int >	MINSIZE { "constraints/components/minsize" }
	minimum absolute size (in terms of variables) to solve a component individually during branch-and-bound
constexpr Param< long long >	NODELIMIT { "constraints/components/nodelimit" }
	maximum number of nodes to be solved in subproblems during presolving
constexpr Param< int >	PRESOLTIMING { "constraints/components/presoltiming" }
	timing mask of the constraint handler's presolving method (4:FAST, 8:MEDIUM, 16:EXHAUSTIVE, 32:FINAL)
constexpr Param< int >	PROPFREQ { "constraints/components/propfreq" }
	frequency for propagating domains (-1: never, 0: only in root node)
constexpr Param< int >	PROPTIMING { "constraints/components/proptiming" }
	timing when constraint propagation should be called (1:BEFORELP, 2:DURINGLPLOOP, 4:AFTERLPLOOP, 15:ALWAYS)
constexpr Param< int >	SEPAFREQ { "constraints/components/sepafreq" }
	frequency for separating cuts (-1: never, 0: only in root node)

Detailed Description

Parameters with prefix constraints/components.

Variable Documentation

DELAYPROP

constexpr Param<bool> scippp::params::CONSTRAINTS::COMPONENTS::DELAYPROP { "constraints/components/delayprop" }

constexpr

should propagation method be delayed, if other propagators found reductions?

Definition at line 935 of file parameters.hpp.

DELAYSEPA

constexpr Param<bool> scippp::params::CONSTRAINTS::COMPONENTS::DELAYSEPA { "constraints/components/delaysepa" }

constexpr

should separation method be delayed, if other separators found cuts?

Definition at line 933 of file parameters.hpp.

EAGERFREQ

constexpr Param<int> scippp::params::CONSTRAINTS::COMPONENTS::EAGERFREQ { "constraints/components/eagerfreq" }

constexpr

frequency for using all instead of only the useful constraints in separation, propagation and enforcement (-1: never, 0: only in first evaluation)

Definition at line 929 of file parameters.hpp.

FEASTOLFACTOR

constexpr Param<double> scippp::params::CONSTRAINTS::COMPONENTS::FEASTOLFACTOR { "constraints/components/feastolfactor" }

constexpr

factor to increase the feasibility tolerance of the main SCIP in all sub-SCIPs, default value 1.0

Definition at line 951 of file parameters.hpp.

INTFACTOR

constexpr Param<double> scippp::params::CONSTRAINTS::COMPONENTS::INTFACTOR { "constraints/components/intfactor" }

constexpr

the weight of an integer variable compared to binary variables

Definition at line 949 of file parameters.hpp.

MAXDEPTH

constexpr Param<int> scippp::params::CONSTRAINTS::COMPONENTS::MAXDEPTH { "constraints/components/maxdepth" }

constexpr

maximum depth of a node to run components detection (-1: disable component detection during solving)

Definition at line 939 of file parameters.hpp.

MAXINTVARS

constexpr Param<int> scippp::params::CONSTRAINTS::COMPONENTS::MAXINTVARS { "constraints/components/maxintvars" }

constexpr

maximum number of integer (or binary) variables to solve a subproblem during presolving (-1: unlimited)

Definition at line 941 of file parameters.hpp.

MAXPREROUNDS

constexpr Param<int> scippp::params::CONSTRAINTS::COMPONENTS::MAXPREROUNDS { "constraints/components/maxprerounds" }

constexpr

maximal number of presolving rounds the constraint handler participates in (-1: no limit)

Definition at line 931 of file parameters.hpp.

MINRELSIZE

constexpr Param<double> scippp::params::CONSTRAINTS::COMPONENTS::MINRELSIZE { "constraints/components/minrelsize" }

constexpr

minimum relative size (in terms of variables) to solve a component individually during branch-and-bound

Definition at line 945 of file parameters.hpp.

MINSIZE

constexpr Param<int> scippp::params::CONSTRAINTS::COMPONENTS::MINSIZE { "constraints/components/minsize" }

constexpr

minimum absolute size (in terms of variables) to solve a component individually during branch-and-bound

Definition at line 943 of file parameters.hpp.

NODELIMIT

constexpr Param<long long> scippp::params::CONSTRAINTS::COMPONENTS::NODELIMIT { "constraints/components/nodelimit" }

constexpr

maximum number of nodes to be solved in subproblems during presolving

Definition at line 947 of file parameters.hpp.

PRESOLTIMING

constexpr Param<int> scippp::params::CONSTRAINTS::COMPONENTS::PRESOLTIMING { "constraints/components/presoltiming" }

constexpr

timing mask of the constraint handler's presolving method (4:FAST, 8:MEDIUM, 16:EXHAUSTIVE, 32:FINAL)

Definition at line 937 of file parameters.hpp.

PROPFREQ

constexpr Param<int> scippp::params::CONSTRAINTS::COMPONENTS::PROPFREQ { "constraints/components/propfreq" }

constexpr

frequency for propagating domains (-1: never, 0: only in root node)

Definition at line 924 of file parameters.hpp.

PROPTIMING

constexpr Param<int> scippp::params::CONSTRAINTS::COMPONENTS::PROPTIMING { "constraints/components/proptiming" }

constexpr

timing when constraint propagation should be called (1:BEFORELP, 2:DURINGLPLOOP, 4:AFTERLPLOOP, 15:ALWAYS)

Definition at line 926 of file parameters.hpp.

SEPAFREQ

constexpr Param<int> scippp::params::CONSTRAINTS::COMPONENTS::SEPAFREQ { "constraints/components/sepafreq" }

constexpr

frequency for separating cuts (-1: never, 0: only in root node)

Definition at line 922 of file parameters.hpp.