Scippy

    SCIP

    Solving Constraint Integer Programs

    Data Fields
    Component Struct Reference

    Detailed Description

    data related to one component

    Definition at line 101 of file cons_components.c.

    Data Fields

    PROBLEM * problem
     
    SCIP * subscip
     
    SCIP_SOL * workingsol
     
    SCIP_VAR ** vars
     
    SCIP_VAR ** subvars
     
    SCIP_VAR ** fixedvars
     
    SCIP_VAR ** fixedsubvars
     
    SCIP_Real fixedvarsobjsum
     
    SCIP_Real lastdualbound
     
    SCIP_Real lastprimalbound
     
    SCIP_STATUS laststatus
     
    SCIP_Bool solved
     
    int ncalls
     
    int lastsolindex
     
    int lastbestsolindex
     
    int nvars
     
    int nfixedvars
     
    int fixedvarssize
     
    int number
     

    Field Documentation

    ◆ problem

    PROBLEM* Component::problem

    the problem this component belongs to

    Definition at line 103 of file cons_components.c.

    Referenced by componentCreateSubscip(), componentSetupWorkingSol(), freeComponent(), initComponent(), SCIP_DECL_SORTPTRCOMP(), and solveComponent().

    ◆ subscip

    SCIP* Component::subscip

    sub-SCIP representing the component

    Definition at line 104 of file cons_components.c.

    Referenced by componentCreateSubscip(), componentSetupWorkingSol(), freeComponent(), initComponent(), and solveComponent().

    ◆ workingsol

    SCIP_SOL* Component::workingsol

    working solution for transferring solutions into the sub-SCIP

    Definition at line 105 of file cons_components.c.

    Referenced by componentSetupWorkingSol(), freeComponent(), initComponent(), and solveComponent().

    ◆ vars

    SCIP_VAR** Component::vars

    variables belonging to this component (in complete problem)

    Definition at line 106 of file cons_components.c.

    Referenced by componentCreateSubscip(), componentSetupWorkingSol(), createAndSplitProblem(), freeComponent(), initComponent(), and solveComponent().

    ◆ subvars

    SCIP_VAR** Component::subvars

    variables belonging to this component (in subscip)

    Definition at line 107 of file cons_components.c.

    Referenced by componentCreateSubscip(), componentSetupWorkingSol(), createAndSplitProblem(), freeComponent(), initComponent(), and solveComponent().

    ◆ fixedvars

    SCIP_VAR** Component::fixedvars

    variables in the original SCIP which were copied while copying the component's constraints, but do not count to the subvars, because they were locally fixed

    Definition at line 108 of file cons_components.c.

    Referenced by componentSetupWorkingSol(), freeComponent(), and initComponent().

    ◆ fixedsubvars

    SCIP_VAR** Component::fixedsubvars

    variables in the sub-SCIP which were copied while copying the component's constraints, but do not count to the subvars, because they were locally fixed

    Definition at line 110 of file cons_components.c.

    Referenced by componentSetupWorkingSol(), freeComponent(), initComponent(), and solveComponent().

    ◆ fixedvarsobjsum

    SCIP_Real Component::fixedvarsobjsum

    objective contribution of all locally fixed variables

    Definition at line 112 of file cons_components.c.

    Referenced by componentSetupWorkingSol(), initComponent(), and solveComponent().

    ◆ lastdualbound

    SCIP_Real Component::lastdualbound

    dual bound after last optimization call for this component

    Definition at line 113 of file cons_components.c.

    Referenced by initComponent(), SCIP_DECL_SORTPTRCOMP(), and solveComponent().

    ◆ lastprimalbound

    SCIP_Real Component::lastprimalbound

    primal bound after last optimization call for this component

    Definition at line 114 of file cons_components.c.

    Referenced by initComponent(), SCIP_DECL_SORTPTRCOMP(), and solveComponent().

    ◆ laststatus

    SCIP_STATUS Component::laststatus

    solution status of last optimization call for the sub-SCIP of this component

    Definition at line 115 of file cons_components.c.

    Referenced by initComponent(), and solveComponent().

    ◆ solved

    SCIP_Bool Component::solved

    was this component solved already?

    Definition at line 116 of file cons_components.c.

    Referenced by initComponent(), solveComponent(), and solveProblem().

    ◆ ncalls

    int Component::ncalls

    number of optimization calls for this component

    Definition at line 117 of file cons_components.c.

    Referenced by initComponent(), SCIP_DECL_SORTPTRCOMP(), and solveComponent().

    ◆ lastsolindex

    int Component::lastsolindex

    index of best solution after last optimization call for this component

    Definition at line 118 of file cons_components.c.

    Referenced by initComponent(), and solveComponent().

    ◆ lastbestsolindex

    int Component::lastbestsolindex

    index of last best solution transferred to this component from the main problem

    Definition at line 119 of file cons_components.c.

    Referenced by initComponent(), and solveComponent().

    ◆ nvars

    int Component::nvars

    number of variables belonging to this component

    Definition at line 120 of file cons_components.c.

    Referenced by componentCreateSubscip(), componentSetupWorkingSol(), createAndSplitProblem(), freeComponent(), initComponent(), and solveComponent().

    ◆ nfixedvars

    int Component::nfixedvars

    number of fixed variables copied during constraint copying

    Definition at line 121 of file cons_components.c.

    Referenced by componentSetupWorkingSol(), initComponent(), and solveComponent().

    ◆ fixedvarssize

    int Component::fixedvarssize

    size of fixedvars and fixedsubvars arrays

    Definition at line 122 of file cons_components.c.

    Referenced by componentSetupWorkingSol(), freeComponent(), and initComponent().

    ◆ number

    int Component::number

    component number

    Definition at line 123 of file cons_components.c.

    Referenced by componentCreateSubscip(), createAndSplitProblem(), freeComponent(), initComponent(), and SCIP_DECL_SORTPTRCOMP().