Detailed Description
This page contains a list of all pricers, pricing solvers and the pricing jobs and problem structures.
Modules | |
Pricers | |
This page contains a list of all pricers which are currently available. | |
Pricing Solvers | |
This page contains a list of all pricing solvers which are currently available. | |
Files | |
file | solver.h |
public methods for GCG pricing solvers | |
SCIP_EXPORT SCIP_RETCODE | GCGsolverCreate (SCIP *scip, GCG_SOLVER **solver, const char *name, const char *desc, int priority, SCIP_Bool heurenabled, SCIP_Bool exactenabled, GCG_DECL_SOLVERUPDATE((*solverupdate)), GCG_DECL_SOLVERSOLVE((*solversolve)), GCG_DECL_SOLVERSOLVEHEUR((*solveheur)), GCG_DECL_SOLVERFREE((*solverfree)), GCG_DECL_SOLVERINIT((*solverinit)), GCG_DECL_SOLVEREXIT((*solverexit)), GCG_DECL_SOLVERINITSOL((*solverinitsol)), GCG_DECL_SOLVEREXITSOL((*solverexitsol)), GCG_SOLVERDATA *solverdata) |
SCIP_EXPORT SCIP_RETCODE | GCGsolverFree (SCIP *scip, GCG_SOLVER **solver) |
SCIP_EXPORT SCIP_RETCODE | GCGsolverInit (SCIP *scip, GCG_SOLVER *solver) |
SCIP_EXPORT SCIP_RETCODE | GCGsolverExit (SCIP *scip, GCG_SOLVER *solver) |
SCIP_EXPORT SCIP_RETCODE | GCGsolverInitsol (SCIP *scip, GCG_SOLVER *solver) |
SCIP_EXPORT SCIP_RETCODE | GCGsolverExitsol (SCIP *scip, GCG_SOLVER *solver) |
SCIP_EXPORT SCIP_RETCODE | GCGsolverUpdate (SCIP *pricingprob, GCG_SOLVER *solver, int probnr, SCIP_Bool varobjschanged, SCIP_Bool varbndschanged, SCIP_Bool consschanged) |
SCIP_EXPORT SCIP_RETCODE | GCGsolverSolve (SCIP *scip, SCIP *pricingprob, GCG_SOLVER *solver, SCIP_Bool redcost, SCIP_Bool heuristic, int probnr, SCIP_Real dualsolconv, SCIP_Real *lowerbound, GCG_PRICINGSTATUS *status, SCIP_Bool *solved) |
Function Documentation
◆ GCGsolverCreate()
SCIP_EXPORT SCIP_RETCODE GCGsolverCreate | ( | SCIP * | scip, |
GCG_SOLVER ** | solver, | ||
const char * | name, | ||
const char * | desc, | ||
int | priority, | ||
SCIP_Bool | heurenabled, | ||
SCIP_Bool | exactenabled, | ||
GCG_DECL_SOLVERUPDATE((*solverupdate)) | , | ||
GCG_DECL_SOLVERSOLVE((*solversolve)) | , | ||
GCG_DECL_SOLVERSOLVEHEUR((*solveheur)) | , | ||
GCG_DECL_SOLVERFREE((*solverfree)) | , | ||
GCG_DECL_SOLVERINIT((*solverinit)) | , | ||
GCG_DECL_SOLVEREXIT((*solverexit)) | , | ||
GCG_DECL_SOLVERINITSOL((*solverinitsol)) | , | ||
GCG_DECL_SOLVEREXITSOL((*solverexitsol)) | , | ||
GCG_SOLVERDATA * | solverdata | ||
) |
creates a GCG pricing solver
Definition at line 59 of file solver.c.
References GCGmasterGetOrigprob().
Referenced by GCGpricerIncludeSolver().
◆ GCGsolverFree()
SCIP_EXPORT SCIP_RETCODE GCGsolverFree | ( | SCIP * | scip, |
GCG_SOLVER ** | solver | ||
) |
◆ GCGsolverInit()
SCIP_EXPORT SCIP_RETCODE GCGsolverInit | ( | SCIP * | scip, |
GCG_SOLVER * | solver | ||
) |
initializes GCG pricing solver
Definition at line 172 of file solver.c.
References GCG_Solver::heurfarkascalls, GCG_Solver::heurfarkasclock, GCG_Solver::heurredcostcalls, GCG_Solver::heurredcostclock, GCG_Solver::optfarkascalls, GCG_Solver::optfarkasclock, GCG_Solver::optredcostcalls, and GCG_Solver::optredcostclock.
◆ GCGsolverExit()
SCIP_EXPORT SCIP_RETCODE GCGsolverExit | ( | SCIP * | scip, |
GCG_SOLVER * | solver | ||
) |
◆ GCGsolverInitsol()
SCIP_EXPORT SCIP_RETCODE GCGsolverInitsol | ( | SCIP * | scip, |
GCG_SOLVER * | solver | ||
) |
◆ GCGsolverExitsol()
SCIP_EXPORT SCIP_RETCODE GCGsolverExitsol | ( | SCIP * | scip, |
GCG_SOLVER * | solver | ||
) |
◆ GCGsolverUpdate()
SCIP_EXPORT SCIP_RETCODE GCGsolverUpdate | ( | SCIP * | pricingprob, |
GCG_SOLVER * | solver, | ||
int | probnr, | ||
SCIP_Bool | varobjschanged, | ||
SCIP_Bool | varbndschanged, | ||
SCIP_Bool | consschanged | ||
) |
calls update method of GCG pricing solver
Definition at line 257 of file solver.c.
Referenced by GCGsetPricingObjs(), ObjPricerGcg::priceNewVariables(), and ObjPricerGcg::pricingLoop().
◆ GCGsolverSolve()
SCIP_EXPORT SCIP_RETCODE GCGsolverSolve | ( | SCIP * | scip, |
SCIP * | pricingprob, | ||
GCG_SOLVER * | solver, | ||
SCIP_Bool | redcost, | ||
SCIP_Bool | heuristic, | ||
int | probnr, | ||
SCIP_Real | dualsolconv, | ||
SCIP_Real * | lowerbound, | ||
GCG_PRICINGSTATUS * | status, | ||
SCIP_Bool * | solved | ||
) |
calls heuristic or exact solving method of GCG pricing solver
calls heuristic or exact solving method of GCG pricing solver
- Note
- This method has to be threadsafe!
Definition at line 280 of file solver.c.
References GCG_Solver::exactenabled, GCG_PRICINGSTATUS_NOTAPPLICABLE, GCG_Solver::heurenabled, GCG_Solver::heurfarkascalls, GCG_Solver::heurfarkasclock, GCG_Solver::heurredcostcalls, GCG_Solver::heurredcostclock, GCG_Solver::optfarkascalls, GCG_Solver::optfarkasclock, GCG_Solver::optredcostcalls, and GCG_Solver::optredcostclock.