XPRBgetlpstat

Purpose

Get the LP status.

Synopsis

int XPRBgetlpstat(XPRBprob prob);

Argument

prob	Reference to a problem.

Return value

0	the problem has not been loaded, or error;
XPRB_LP_OPTIMAL	LP optimal;
XPRB_LP_INFEAS	LP infeasible;
XPRB_LP_CUTOFF	the objective value is worse than the cutoff;
XPRB_LP_UNFINISHED	LP unfinished;
XPRB_LP_UNBOUNDED	LP unbounded;
XPRB_LP_CUTOFF_IN_DUAL	LP cutoff in dual.
XPRB_LP_UNSOLVED	LP problem is not solved.
XPRB_LP_NONCONVEX	QP problem is nonconvex;

Example

The following returns the current LP status.

XPRBprob expl2;
int status;
   ...
expl2 = XPRBnewprob("example2");
XPRBlpoptimize(expl2, "");
status = XPRBgetlpstat(expl2);

Further information

The return value of this function provides LP status information from the Xpress Optimizer.