library for vardata_lagr.cpp

src/vardata_lagr.h

+/**@file    relax_lagr.cpp
+ * @ingroup Lagrangian
+ * @brief   lagrangian relaxation
+ * @author  Dawit Hailu
+ */
+
+/*---+----1----+----2----+----3----+----4----+----5----+----6----+----7----+----8----+----9----+----0----+----1----+----2*/
+
+#ifndef __SCIP_VARDATA_LAGR__
+#define __SCIP_VARDATA_LAGR__
+
+#include "scip/scip.h" 
+
+/** create variable data, in the future I will add the delay array and delay of each var*/
+SCIP_RETCODE SCIPvardataCreateLagrangian(
+   SCIP*                            scip,                          /**< SCIP data structure*/
+   SCIP_VARDATA*                    vardata,                       /**<pointer to the vardata*/
+   SCIP_VAR**                       vars,
+   // SCIP_CONS**                      VarSlotConss,                  /**< all slot constraints containing the variable */
+   // int                              nVarSlotConss,                 /**<number of slot constraints the variable is occuring in*/
+   int                              nSlotConss,
+   int                              v
+
+);
+
+/** gets the slot conss the var is occuring*/
+SCIP_CONS** SCIPvardataGetSlotConss(
+	SCIP_VARDATA* vardata     /**< variable data */
+   );
+
+/** gets the number of slot conss the var is occuring in*/
+int SCIPvardataGetnVarSlotConss(
+	SCIP_VARDATA* vardata     /**< variable data */
+);
+
+/** gets the ids of the slotconss the var is occuring*/
+int* SCIPvardataGetconsids(
+	SCIP_VARDATA* vardata     /**< variable data */
+);
+
+SCIP_Real SCIPvarGetQuotient(
+   SCIP_VARDATA* vardata
+);
+
+SCIP_RETCODE vardataDelete(
+   SCIP*                 scip,               /**< SCIP data structure */
+   SCIP_VARDATA**        vardata             /**< vardata to delete */
+   );
+/** prints vardata to file stream */
+void SCIPvardataPrint(
+   SCIP*                 scip,               /**< SCIP data structure */
+   SCIP_VARDATA*         vardata,            /**< variable data */
+   FILE*                 file                /**< the text file to store the information into */
+);
+
+
+SCIP_RETCODE vardataCreate(
+   SCIP*                scip,                     /**< SCIP data structure */
+   SCIP_VARDATA**       vardata,                  /**< pointer to vardata */
+   SCIP_CONS**          VarSlotConss,             /**< array of constraints ids */
+   int                  nVarSlotConss,             /**< number of constraints */
+   SCIP_Real            varquotient
+);  
+
+/** frees user data of variable */
+SCIP_RETCODE vardatafree(
+   SCIP*                 scip,               /**< SCIP data structure */
+   SCIP_VARDATA**        vardata             /**< vardata to delete */
+   );
+
+SCIP_RETCODE lagrVarObjoverNVarslotConss (
+   SCIP_VARDATA*** vardata,
+   SCIP_VAR** var
+);
+
+SCIP_Real SCIPVaraddDualMultiplier(
+   SCIP* scip,
+   SCIP_VAR** var,
+   SCIP_Real* dualmultipliers,
+   SCIP_PROBDATA* probdata
+);
+
+int SCIPvardataGetVarID(
+	SCIP_VARDATA* vardata     /**< variable data */
+);
+
+SCIP_RETCODE SCIPvarchangeDuals(
+   SCIP* relaxscip,
+   SCIP_VAR*** vars, 
+   SCIP_Real* dualmultipliers,
+   SCIP_Real* origobj
+);
+
+
+
+#endif