Scippy

    SCIP

    Solving Constraint Integer Programs

    Functions
    presol_dualcomp.h File Reference
    Public API of SCIP » Plugin API of SCIP » Presolvers

    Detailed Description

    dual compensation presolver

    Author
    Dieter Weninger

    This presolver looks for variables with i) objcoef >= 0 and exactly one downlock ii) objcoef <= 0 and exactly one uplock and fixes the variable in case i) at the lower bound and in case ii) at the upper bound if a combination of singleton continuous variables can compensate the downlock in case i) and the uplock in case ii).

    Definition in file presol_dualcomp.h.

    #include "scip/def.h"
    #include "scip/type_retcode.h"
    #include "scip/type_scip.h"

    Go to the source code of this file.

    Functions

    SCIP_RETCODE SCIPincludePresolDualcomp (SCIP *scip)