PRESOLVEINDEX

Description	Presolve: The row or column index on which presolve detected a problem to be infeasible or unbounded.
Type	Integer
Note	Row indices are in the range 0 to ROWS -1, and column indices are in the range ROWS+ SPAREROWS to ROWS+SPAREROWS+ COLS -1.
Set by routines	XPRSlpoptimize ( LPOPTIMIZE), XPRSmipoptimize ( MIPOPTIMIZE).