text: /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
  /*                                                                           */
  /*                  This file is part of the program and library             */
  /*         SCIP --- Solving Constraint Integer Programs                      */
  /*                                                                           */
  /*    Copyright (C) 2002-2021 Konrad-Zuse-Zentrum                            */
  /*                            fuer Informationstechnik Berlin                */
  /*                                                                           */
  /*  SCIP is distributed under the terms of the ZIB Academic License.         */
  /*                                                                           */
  /*  You should have received a copy of the ZIB Academic License              */
  /*  along with SCIP; see the file COPYING. If not visit scipopt.org.         */
  /*                                                                           */
  /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
  
  /**@file   pub_bandit.h
   * @ingroup PublicBanditMethods
   * @brief  public methods for bandit algorithms
   * @author Gregor Hendel
   */
  
  /*---+----1----+----2----+----3----+----4----+----5----+----6----+----7----+----8----+----9----+----0----+----1----+----2*/
  
  #ifndef __SCIP_PUB_BANDIT_H__
  #define __SCIP_PUB_BANDIT_H__
  
  #include "scip/def.h"
  #include "scip/pub_bandit_epsgreedy.h"
  #include "scip/pub_bandit_exp3.h"
  #include "scip/pub_bandit_ucb.h"
  
  #ifdef __cplusplus
  extern "C" {
  #endif
  
  /**@addtogroup PublicBanditMethods
   *
   * @{
   */
  
  /** select the next action */
  SCIP_EXPORT
  SCIP_RETCODE SCIPbanditSelect(
     SCIP_BANDIT*          bandit,             /**< bandit algorithm data structure */
     int*                  action              /**< pointer to store the selected action */
     );
  
  /** update the score of the selected action */
  SCIP_EXPORT
  SCIP_RETCODE SCIPbanditUpdate(
     SCIP_BANDIT*          bandit,             /**< bandit algorithm data structure */
     int                   action,             /**< index of action for which the score should be updated */
     SCIP_Real             score               /**< observed gain of the i'th action */
     );
  
  /** return the name of this bandit virtual function table */
  SCIP_EXPORT
  const char* SCIPbanditvtableGetName(
     SCIP_BANDITVTABLE*    banditvtable        /**< virtual table for bandit algorithm */
     );
  
  /** return the random number generator of a bandit algorithm */
  SCIP_EXPORT
  SCIP_RANDNUMGEN* SCIPbanditGetRandnumgen(
     SCIP_BANDIT*          bandit              /**< bandit algorithm data structure */
     );
  
  /** return number of actions of this bandit algorithm */
  SCIP_EXPORT
  int SCIPbanditGetNActions(
     SCIP_BANDIT*          bandit              /**< bandit algorithm data structure */
     );
  
  /** @} */
  
  
  #ifdef __cplusplus
  }
  #endif
  
  #endif
  