type_history.h

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/**@file   type_history.h
 * @ingroup TYPEDEFINITIONS
 * @brief  type definitions for branching and inference history
 * @author Tobias Achterberg
 */

/*---+----1----+----2----+----3----+----4----+----5----+----6----+----7----+----8----+----9----+----0----+----1----+----2*/

#ifndef __SCIP_TYPE_HISTORY_H__
#define __SCIP_TYPE_HISTORY_H__

#ifdef __cplusplus
extern "C" {
#endif

/** branching direction for branching on variables */
enum SCIP_BranchDir
{
   SCIP_BRANCHDIR_DOWNWARDS = 0,        /**< downwards branching: decreasing upper bound  */
   SCIP_BRANCHDIR_UPWARDS   = 1,        /**< upwards branching: increasing lower bound    */
   SCIP_BRANCHDIR_FIXED     = 2,        /**< fixed branching: both bounds changed         */
   SCIP_BRANCHDIR_AUTO      = 3         /**< automatic setting for choosing bound changes */
};
typedef enum SCIP_BranchDir SCIP_BRANCHDIR;       /**< branching direction for branching on variables */

typedef struct SCIP_History SCIP_HISTORY;         /**< branching and inference history information for single variable */

/** Value history data structure
 *
 *  branching and inference history informations for single variable dependent on the domain value
 *
 *  - \ref SCIP_VALUEHISTORY "List of all available methods"
 */
typedef struct SCIP_ValueHistory SCIP_VALUEHISTORY;


#ifdef __cplusplus
}
#endif

#endif