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ISolverMathProgramInstance::PresolveStatus Enumeration
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This enumeration lists the possible presolve statuses returned when calling the GetColumnSolution and GetRowSolution methods.
enum PresolveStatus { PRE_STATUS_IN_PRESOLVED = 10, PRE_STATUS_FIXED_LB, PRE_STATUS_FIXED_UB, PRE_STATUS_FIXED_OTHER, PRE_STATUS_AGGREGATED, PRE_STATUS_DELETED_OTHER, PRE_STATUS_REDUNDANT };
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Description |
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PRE_STATUS_IN_PRESOLVED = 10 |
Column/row is present in presolved problem. |
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PRE_STATUS_FIXED_LB |
Column is fixed to lower bound in presolved problem. |
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PRE_STATUS_FIXED_UB |
Column is fixed to upper bound in presolved problem. |
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PRE_STATUS_FIXED_OTHER |
Column is fixed to other value than lower and upper bound in presolved problem. |
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PRE_STATUS_AGGREGATED |
Column is aggregated out or row is used for aggregation in presolved problem. |
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PRE_STATUS_DELETED_OTHER |
Column/row is deleted or merged in presolved problem. |
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PRE_STATUS_REDUNDANT |
Row is redundant in presolved problem. |