PresolveOperations Enumeration
Namespace: Optimizer
Assembly: xprsdn (in xprsdn.dll) Version: 48.01.01+1850ffb5138fca4d234db948cf0432e896c1cf42
[FlagsAttribute] public enum PresolveOperations
| Member name | Value | Description |
|---|---|---|
| SingletonColumnRemoval | 1 | Singleton column removal. |
| SingletonRowRemoval | 2 | Singleton row removal. |
| ForcingRowRemoval | 4 | Forcing row removal. |
| DualReductions | 8 | Dual reductions. This bit is deprecated, use PREDUALREDUCTIONS instead. Obsolete |
| RedundantRowRemoval | 16 | Redundant row removal. |
| DuplicateColumnRemoval | 32 | Duplicate column removal. |
| DuplicateRowRemoval | 64 | Duplicate row removal. |
| StrongDualReductions | 128 | Strong dual reductions. |
| VariableEliminations | 256 | Variable eliminations. This bit is deprecated, use PREELIMINATIONS instead. Obsolete |
| NoIPReductions | 512 | No IP reductions. This bit is deprecated, use PREMIPREDUCTIONS instead. Obsolete |
| NoGlobalChange | 1,024 | No domain changes for MIP entities (e.g., semi-continuous detection or shifting integers). |
| NoAdvancedIPReductions | 2,048 | No advanced IP reductions. This bit is deprecated, use PREMIPREDUCTIONS instead. Obsolete |
| NoIntegerEliminations | 4,096 | No eliminations on integers. This bit is deprecated, use PREELIMINATIONS instead. Obsolete |
| NoSolutionEnumeration | 8,192 | No reductions based on solution enumeration. |
| LinearlyDependantRowRemoval | 16,384 | Linearly dependant row removal. Obsolete |
| NoIntegerVariableAndSOSDetection | 32,768 | No integer variable and SOS detection. This bit is deprecated, use PREMIPENTDETECT instead. Obsolete |
| NoImpliedBounds | 65,536 | No implied bounds. |
| NoCliquePresolve | 131,072 | No clique presolve. This bit is deprecated, use PRECLIQUELIFTING instead. Obsolete |
| NoMod2Reductions | 262,144 | No mod2 presolve. |
| NoDualReductionsOnGlobals | 536,870,912 | No dual reductions on global entities. This bit is deprecated, use PREDUALREDUCTIONS instead. Obsolete |
Reference
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