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/*         SCIP --- Solving Constraint Integer Programs                      */
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/**@file   reader_diff.h
 * @ingroup FILEREADERS
 * @brief  diff file reader
 * @author Jakob Witzig
 *
 * This reader allows to parse a new objective function in the style of CPLEX .lp files.
 *
 * The lp format is defined within the CPLEX documentation.
 *
 * An example of a *.diff file looks like this:
 *
 *  Minimize
 *    obj: - STM6 + STM7
 *
 * Here is the objective sense set to minimize the function -STM6 + STM7.
 */

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

#ifndef __SCIP_READER_DIFF_H__
#define __SCIP_READER_DIFF_H__

#include "scip/def.h"
#include "scip/type_cons.h"
#include "scip/type_prob.h"
#include "scip/type_reader.h"
#include "scip/type_result.h"
#include "scip/type_retcode.h"
#include "scip/type_scip.h"
#include "scip/type_var.h"

#ifdef __cplusplus
extern "C" {
#endif

/** includes the diff file reader into SCIP
 *
 *  @ingroup FileReaderIncludes
 */
SCIP_EXPORT
SCIP_RETCODE SCIPincludeReaderDiff(
   SCIP*                 scip                /**< SCIP data structure */
   );

/**@addtogroup FILEREADERS
 *
 * @{
 */

/** reads problem from file */
SCIP_EXPORT
SCIP_RETCODE SCIPreadDiff(
   SCIP*                 scip,               /**< SCIP data structure */
   SCIP_READER*          reader,             /**< the file reader itself */
   const char*           filename,           /**< full path and name of file to read, or NULL if stdin should be used */
   SCIP_RESULT*          result              /**< pointer to store the result of the file reading call */
   );

/** @} */

#ifdef __cplusplus
}
#endif

#endif
