scip_interface.cc File Reference

Go to the source code of this file.

Classes
class	SCIPInterface
class	ScipConstraintHandlerForMPCallback
class	ScipMPCallbackContext

Namespaces
	operations_research
	The vehicle routing library lets one model and solve generic vehicle routing problems ranging from the Traveling Salesman Problem to more complex problems such as the Capacitated Vehicle Routing Problem with Time Windows.

Macros
#define	RETURN_IF_ALREADY_IN_ERROR_STATE
#define	RETURN_AND_STORE_IF_SCIP_ERROR(x)
#define	RETURN_ABNORMAL_IF_BAD_STATUS
#define	RETURN_ABNORMAL_IF_SCIP_ERROR(x)

Functions
	ABSL_FLAG (bool, scip_feasibility_emphasis, false, "When true, emphasize search towards feasibility. This may or " "may not result in speedups in some problems.")
MPSolverInterface *	BuildSCIPInterface (MPSolver *const solver)

Macro Definition Documentation

RETURN_ABNORMAL_IF_BAD_STATUS

#define RETURN_ABNORMAL_IF_BAD_STATUS

Value:

  do {                                            \
    if (!status_.ok()) {                          \
      LOG_IF(INFO, solver_->OutputIsEnabled())    \
          << "Invalid SCIP status: " << status_;  \
      return result_status_ = MPSolver::ABNORMAL; \
    }                                             \
  } while (false)

Definition at line 614 of file scip_interface.cc.

RETURN_ABNORMAL_IF_SCIP_ERROR

#define RETURN_ABNORMAL_IF_SCIP_ERROR

(

x

)

Value:

  do {                                   \
    RETURN_ABNORMAL_IF_BAD_STATUS;       \
    status_ = SCIP_TO_STATUS(x);         \
    RETURN_ABNORMAL_IF_BAD_STATUS;       \
  } while (false);

Definition at line 623 of file scip_interface.cc.

RETURN_AND_STORE_IF_SCIP_ERROR

#define RETURN_AND_STORE_IF_SCIP_ERROR

(

x

)

Value:

  do {                                    \
    status_ = SCIP_TO_STATUS(x);          \
    if (!status_.ok()) return;            \
  } while (false)

Definition at line 282 of file scip_interface.cc.

RETURN_IF_ALREADY_IN_ERROR_STATE

#define RETURN_IF_ALREADY_IN_ERROR_STATE

Value:

  do {                                                               \
    if (!status_.ok()) {                                             \
      VLOG_EVERY_N(1, 10) << "Early abort: SCIP is in error state."; \
      return;                                                        \
    }                                                                \
  } while (false)

Definition at line 274 of file scip_interface.cc.

Function Documentation

ABSL_FLAG()

ABSL_FLAG	(	bool	,
		scip_feasibility_emphasis	,
		false	,
		"When	true,
		emphasize search towards feasibility. This may or " "may not result in speedups in some problems."
	)