SCIP_RowSolVals Struct Reference

Detailed Description

collected values of a row which depend on the LP solution We store these values in each row to recover the LP solution at start of diving or probing mode, say, without having to resolve the LP. We do not store the dualfarkas value since we expect a node with infeasible LP to be pruned anyway. In this unlikely case, we have to resolve the LP.

Definition at line 96 of file struct_lp.h.

#include <struct_lp.h>

Data Fields
SCIP_Real	dualsol
SCIP_Real	activity
unsigned int	basisstatus:2

Field Documentation

dualsol

SCIP_Real SCIP_RowSolVals::dualsol

dual solution value in LP, is 0 if row is not in LP

Definition at line 98 of file struct_lp.h.

Referenced by rowRestoreSolVals(), rowStoreSolVals(), and SCIPconflictAnalyzeLP().

activity

SCIP_Real SCIP_RowSolVals::activity

row activity value in LP, or SCIP_INVALID if not yet calculated

Definition at line 99 of file struct_lp.h.

Referenced by rowRestoreSolVals(), rowStoreSolVals(), and SCIPconflictAnalyzeLP().

basisstatus

unsigned int SCIP_RowSolVals::basisstatus

basis status of row in last LP solution, invalid for non-LP rows

Definition at line 100 of file struct_lp.h.

Referenced by rowRestoreSolVals(), rowStoreSolVals(), and SCIPconflictAnalyzeLP().