scippp::params::CONSTRAINTS::NONLINEAR::BRANCHING Namespace Reference

Parameters with prefix constraints/nonlinear/branching. More...

Variables
constexpr Param< int >	AUX { "constraints/nonlinear/branching/aux" }
	from which depth on in the tree to allow branching on auxiliary variables (variables added for extended formulation)
constexpr Param< double >	DOMAINWEIGHT { "constraints/nonlinear/branching/domainweight" }
	weight by how much to consider the domain width in branching score
constexpr Param< double >	DUALWEIGHT { "constraints/nonlinear/branching/dualweight" }
	weight by how much to consider the dual values of rows that contain a variable for its branching score
constexpr Param< bool >	EXTERNAL { "constraints/nonlinear/branching/external" }
	whether to use external branching candidates and branching rules for branching
constexpr Param< double >	HIGHSCOREFACTOR { "constraints/nonlinear/branching/highscorefactor" }
	consider a variable branching score high if its branching score >= this factor * maximal branching score among all variables
constexpr Param< double >	HIGHVIOLFACTOR { "constraints/nonlinear/branching/highviolfactor" }
	consider a constraint highly violated if its violation is >= this factor * maximal violation among all constraints
constexpr Param< double >	PSCOSTRELIABLE { "constraints/nonlinear/branching/pscostreliable" }
	minimum pseudo-cost update count required to consider pseudo-costs reliable
constexpr Param< double >	PSCOSTWEIGHT { "constraints/nonlinear/branching/pscostweight" }
	weight by how much to consider the pseudo cost of a variable for its branching score
constexpr Param< char >	SCOREAGG { "constraints/nonlinear/branching/scoreagg" }
	how to aggregate several branching scores given for the same expression: 'a'verage, 'm'aximum, 's'um
constexpr Param< double >	VARTYPEWEIGHT { "constraints/nonlinear/branching/vartypeweight" }
	weight by how much to consider variable type (continuous: 0, binary: 1, integer: 0.1, impl-integer: 0.01) in branching score
constexpr Param< char >	VIOLSPLIT { "constraints/nonlinear/branching/violsplit" }
	method used to split violation in expression onto variables: 'u'niform, 'm'idness of solution, 'd'omain width, 'l'ogarithmic domain width
constexpr Param< double >	VIOLWEIGHT { "constraints/nonlinear/branching/violweight" }
	weight by how much to consider the violation assigned to a variable for its branching score

Detailed Description

Parameters with prefix constraints/nonlinear/branching.

Variable Documentation

AUX

constexpr Param<int> scippp::params::CONSTRAINTS::NONLINEAR::BRANCHING::AUX { "constraints/nonlinear/branching/aux" }

constexpr

from which depth on in the tree to allow branching on auxiliary variables (variables added for extended formulation)

Definition at line 1491 of file parameters.hpp.

DOMAINWEIGHT

constexpr Param<double> scippp::params::CONSTRAINTS::NONLINEAR::BRANCHING::DOMAINWEIGHT { "constraints/nonlinear/branching/domainweight" }

constexpr

weight by how much to consider the domain width in branching score

Definition at line 1507 of file parameters.hpp.

DUALWEIGHT

constexpr Param<double> scippp::params::CONSTRAINTS::NONLINEAR::BRANCHING::DUALWEIGHT { "constraints/nonlinear/branching/dualweight" }

constexpr

weight by how much to consider the dual values of rows that contain a variable for its branching score

Definition at line 1503 of file parameters.hpp.

EXTERNAL

constexpr Param<bool> scippp::params::CONSTRAINTS::NONLINEAR::BRANCHING::EXTERNAL { "constraints/nonlinear/branching/external" }

constexpr

whether to use external branching candidates and branching rules for branching

Definition at line 1493 of file parameters.hpp.

HIGHSCOREFACTOR

constexpr Param<double> scippp::params::CONSTRAINTS::NONLINEAR::BRANCHING::HIGHSCOREFACTOR { "constraints/nonlinear/branching/highscorefactor" }

constexpr

consider a variable branching score high if its branching score >= this factor * maximal branching score among all variables

Definition at line 1499 of file parameters.hpp.

HIGHVIOLFACTOR

constexpr Param<double> scippp::params::CONSTRAINTS::NONLINEAR::BRANCHING::HIGHVIOLFACTOR { "constraints/nonlinear/branching/highviolfactor" }

constexpr

consider a constraint highly violated if its violation is >= this factor * maximal violation among all constraints

Definition at line 1496 of file parameters.hpp.

PSCOSTRELIABLE

constexpr Param<double> scippp::params::CONSTRAINTS::NONLINEAR::BRANCHING::PSCOSTRELIABLE { "constraints/nonlinear/branching/pscostreliable" }

constexpr

minimum pseudo-cost update count required to consider pseudo-costs reliable

Definition at line 1517 of file parameters.hpp.

PSCOSTWEIGHT

constexpr Param<double> scippp::params::CONSTRAINTS::NONLINEAR::BRANCHING::PSCOSTWEIGHT { "constraints/nonlinear/branching/pscostweight" }

constexpr

weight by how much to consider the pseudo cost of a variable for its branching score

Definition at line 1505 of file parameters.hpp.

SCOREAGG

constexpr Param<char> scippp::params::CONSTRAINTS::NONLINEAR::BRANCHING::SCOREAGG { "constraints/nonlinear/branching/scoreagg" }

constexpr

how to aggregate several branching scores given for the same expression: 'a'verage, 'm'aximum, 's'um

Definition at line 1512 of file parameters.hpp.

VARTYPEWEIGHT

constexpr Param<double> scippp::params::CONSTRAINTS::NONLINEAR::BRANCHING::VARTYPEWEIGHT { "constraints/nonlinear/branching/vartypeweight" }

constexpr

weight by how much to consider variable type (continuous: 0, binary: 1, integer: 0.1, impl-integer: 0.01) in branching score

Definition at line 1510 of file parameters.hpp.

VIOLSPLIT

constexpr Param<char> scippp::params::CONSTRAINTS::NONLINEAR::BRANCHING::VIOLSPLIT { "constraints/nonlinear/branching/violsplit" }

constexpr

method used to split violation in expression onto variables: 'u'niform, 'm'idness of solution, 'd'omain width, 'l'ogarithmic domain width

Definition at line 1515 of file parameters.hpp.

VIOLWEIGHT

constexpr Param<double> scippp::params::CONSTRAINTS::NONLINEAR::BRANCHING::VIOLWEIGHT { "constraints/nonlinear/branching/violweight" }

constexpr

weight by how much to consider the violation assigned to a variable for its branching score

Definition at line 1501 of file parameters.hpp.