scippp::params::PRESOLVING::SPARSIFY Namespace Reference

Parameters with prefix presolving/sparsify. More...

Variables
constexpr Param< bool >	CANCELLINEAR { "presolving/sparsify/cancellinear" }
	should we cancel nonzeros in constraints of the linear constraint handler?
constexpr Param< bool >	ENABLECOPY { "presolving/sparsify/enablecopy" }
	should sparsify presolver be copied to sub-SCIPs?
constexpr Param< int >	MAXBINFILLIN { "presolving/sparsify/maxbinfillin" }
	maximal fillin for binary variables (-1: unlimited)
constexpr Param< int >	MAXCONSIDEREDNONZEROS { "presolving/sparsify/maxconsiderednonzeros" }
	maximal number of considered non-zeros within one row (-1: no limit)
constexpr Param< int >	MAXCONTFILLIN { "presolving/sparsify/maxcontfillin" }
	maximal fillin for continuous variables (-1: unlimited)
constexpr Param< int >	MAXINTFILLIN { "presolving/sparsify/maxintfillin" }
	maximal fillin for integer variables including binaries (-1: unlimited)
constexpr Param< int >	MAXNONZEROS { "presolving/sparsify/maxnonzeros" }
	maximal support of one equality to be used for cancelling (-1: no limit)
constexpr Param< double >	MAXRETRIEVEFAC { "presolving/sparsify/maxretrievefac" }
	limit on the number of useless vs. useful hashtable retrieves as a multiple of the number of constraints
constexpr Param< int >	MAXROUNDS { "presolving/sparsify/maxrounds" }
	maximal number of presolving rounds the presolver participates in (-1: no limit)
constexpr Param< bool >	PRESERVEINTCOEFS { "presolving/sparsify/preserveintcoefs" }
	should we forbid cancellations that destroy integer coefficients?
constexpr Param< int >	PRIORITY { "presolving/sparsify/priority" }
	priority of presolver <sparsify>
constexpr Param< char >	ROWSORT { "presolving/sparsify/rowsort" }
	order in which to process inequalities ('n'o sorting, 'i'ncreasing nonzeros, 'd'ecreasing nonzeros)
constexpr Param< int >	TIMING { "presolving/sparsify/timing" }
	timing mask of presolver <sparsify> (4:FAST, 8:MEDIUM, 16:EXHAUSTIVE, 32:FINAL)
constexpr Param< double >	WAITINGFAC { "presolving/sparsify/waitingfac" }
	number of calls to wait until next execution as a multiple of the number of useless calls

Detailed Description

Parameters with prefix presolving/sparsify.

Variable Documentation

CANCELLINEAR

Param<bool> scippp::params::PRESOLVING::SPARSIFY::CANCELLINEAR { "presolving/sparsify/cancellinear" }

constexpr

should we cancel nonzeros in constraints of the linear constraint handler?

Definition at line 5338 of file parameters.hpp.

ENABLECOPY

Param<bool> scippp::params::PRESOLVING::SPARSIFY::ENABLECOPY { "presolving/sparsify/enablecopy" }

constexpr

should sparsify presolver be copied to sub-SCIPs?

Definition at line 5336 of file parameters.hpp.

MAXBINFILLIN

Param<int> scippp::params::PRESOLVING::SPARSIFY::MAXBINFILLIN { "presolving/sparsify/maxbinfillin" }

constexpr

maximal fillin for binary variables (-1: unlimited)

Definition at line 5344 of file parameters.hpp.

MAXCONSIDEREDNONZEROS

Param<int> scippp::params::PRESOLVING::SPARSIFY::MAXCONSIDEREDNONZEROS { "presolving/sparsify/maxconsiderednonzeros" }

constexpr

maximal number of considered non-zeros within one row (-1: no limit)

Definition at line 5350 of file parameters.hpp.

MAXCONTFILLIN

Param<int> scippp::params::PRESOLVING::SPARSIFY::MAXCONTFILLIN { "presolving/sparsify/maxcontfillin" }

constexpr

maximal fillin for continuous variables (-1: unlimited)

Definition at line 5342 of file parameters.hpp.

MAXINTFILLIN

Param<int> scippp::params::PRESOLVING::SPARSIFY::MAXINTFILLIN { "presolving/sparsify/maxintfillin" }

constexpr

maximal fillin for integer variables including binaries (-1: unlimited)

Definition at line 5346 of file parameters.hpp.

MAXNONZEROS

Param<int> scippp::params::PRESOLVING::SPARSIFY::MAXNONZEROS { "presolving/sparsify/maxnonzeros" }

constexpr

maximal support of one equality to be used for cancelling (-1: no limit)

Definition at line 5348 of file parameters.hpp.

MAXRETRIEVEFAC

Param<double> scippp::params::PRESOLVING::SPARSIFY::MAXRETRIEVEFAC { "presolving/sparsify/maxretrievefac" }

constexpr

limit on the number of useless vs. useful hashtable retrieves as a multiple of the number of constraints

Definition at line 5354 of file parameters.hpp.

MAXROUNDS

Param<int> scippp::params::PRESOLVING::SPARSIFY::MAXROUNDS { "presolving/sparsify/maxrounds" }

constexpr

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

Definition at line 5332 of file parameters.hpp.

PRESERVEINTCOEFS

Param<bool> scippp::params::PRESOLVING::SPARSIFY::PRESERVEINTCOEFS { "presolving/sparsify/preserveintcoefs" }

constexpr

should we forbid cancellations that destroy integer coefficients?

Definition at line 5340 of file parameters.hpp.

PRIORITY

Param<int> scippp::params::PRESOLVING::SPARSIFY::PRIORITY { "presolving/sparsify/priority" }

constexpr

priority of presolver <sparsify>

Definition at line 5330 of file parameters.hpp.

ROWSORT

Param<char> scippp::params::PRESOLVING::SPARSIFY::ROWSORT { "presolving/sparsify/rowsort" }

constexpr

order in which to process inequalities ('n'o sorting, 'i'ncreasing nonzeros, 'd'ecreasing nonzeros)

Definition at line 5352 of file parameters.hpp.

TIMING

Param<int> scippp::params::PRESOLVING::SPARSIFY::TIMING { "presolving/sparsify/timing" }

constexpr

timing mask of presolver <sparsify> (4:FAST, 8:MEDIUM, 16:EXHAUSTIVE, 32:FINAL)

Definition at line 5334 of file parameters.hpp.

WAITINGFAC

Param<double> scippp::params::PRESOLVING::SPARSIFY::WAITINGFAC { "presolving/sparsify/waitingfac" }

constexpr

number of calls to wait until next execution as a multiple of the number of useless calls

Definition at line 5356 of file parameters.hpp.