RefineOps Enumeration
Namespace: Optimizer
Assembly: xprsdn (in xprsdn.dll) Version: 48.01.01+1850ffb5138fca4d234db948cf0432e896c1cf42
[FlagsAttribute] public enum RefineOps
| Member name | Value | Description |
|---|---|---|
| LPOptimal | 1 | Run the solution refiner on an optimal solution of a continuous problem. |
| MIPSolution | 2 | Run the solution refiner when a new solution is found during a tree search. The refiner will be applied to the presolved solution before any post-solve operations are applied. |
| LP | 8 | Run the solution refiner on each node of the MIP search. |
| LPPresolve | 16 | Run the solution refiner on an optimal solution before postsolve on a continuous problem. |
| IterativeRefiner | 32 | Apply the iterative refiner to refine the solution. |
| RefinerPrecision | 64 | Use higher precision in the iterative refinement. |
| RefinerUsePrimal | 128 | If set, the iterative refiner will use the primal simplex algorithm. |
| RefinerUseDual | 256 | If set, the iterative refiner will use the dual simplex algorithm. |
| MIPfixglobals | 512 | Refine MIP solutions such that rounding them keeps the problem feasible when reoptimized. |
| MIPfixglobalstarget | 1,024 | Attempt to refine MIP solutions such that rounding them keeps the problem feasible when reoptimized, but accept integers solutions even if refinement fails. |
Reference
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