NO FRAMES

CPXgetheuristiccallbackfunc

void CPXPUBLIC CPXgetheuristiccallbackfunc(CPXCENVptr env, int(CPXPUBLIC **heuristiccallback_p)(CALLBACK_HEURISTIC_ARGS) , void ** cbhandle_p)
Definition file: cplex.h
Include files: cplex.h
Note

This is an advanced routine. Advanced routines typically demand a profound understanding of the algorithms used by ILOG CPLEX. Thus they incur a higher risk of incorrect behavior in your application, behavior that can be difficult to debug. Therefore, ILOG encourages you to consider carefully whether you can accomplish the same task by means of other Callable Library routines instead.

The routine CPXgetheuristiccallbackfunc accesses the user-written callback to be called by ILOG CPLEX during MIP optimization after the subproblem has been solved to optimality. That callback is not called when the subproblem is infeasible or cut off. The callback supplies ILOG CPLEX with heuristically-derived integer solutions.

Example

 CPXgetheuristiccallbackfunc(env, &current_callback,
 &current_handle);

See also Advanced MIP Control Interface in the ILOG CPLEX User's Manual.

For documentation of callback arguments, see the routine CPXsetheuristiccallbackfunc.

Parameters

env

A pointer to the CPLEX environment, as returned by CPXopenCPLEX.

heuristiccallback_p

The address of the pointer to the current user-written heuristic callback. If no callback has been set, the pointer evaluates to NULL.

cbhandle_p

The address of a variable to hold the user's private pointer.

See Also:

Returns:

This routine does not return a result.