Package org.ojalgo.optimisation
Class ExpressionsBasedModel.Presolver
java.lang.Object
org.ojalgo.optimisation.ExpressionsBasedModel.Simplifier<Expression,ExpressionsBasedModel.Presolver>
org.ojalgo.optimisation.ExpressionsBasedModel.Presolver
- All Implemented Interfaces:
Comparable<ExpressionsBasedModel.Presolver>
- Direct Known Subclasses:
SpecialOrderedSet
- Enclosing class:
ExpressionsBasedModel
public abstract static class ExpressionsBasedModel.Presolver
extends ExpressionsBasedModel.Simplifier<Expression,ExpressionsBasedModel.Presolver>
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Constructor Summary
Constructors -
Method Summary
Modifier and TypeMethodDescription(package private) boolean
isApplicable
(Expression target) abstract boolean
simplify
(Expression expression, Set<Structure1D.IntIndex> remaining, BigDecimal lower, BigDecimal upper, NumberContext precision) Methods inherited from class org.ojalgo.optimisation.ExpressionsBasedModel.Simplifier
compareTo, equals, getExecutionOrder, hashCode
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Constructor Details
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Presolver
protected Presolver(int executionOrder)
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Method Details
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simplify
public abstract boolean simplify(Expression expression, Set<Structure1D.IntIndex> remaining, BigDecimal lower, BigDecimal upper, NumberContext precision) - Parameters:
remaining
- TODOlower
- TODOupper
- TODO- Returns:
- True if any model entity was modified so that a re-run of the presolvers is necessary - typically when/if a variable was fixed.
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isApplicable
- Specified by:
isApplicable
in classExpressionsBasedModel.Simplifier<Expression,
ExpressionsBasedModel.Presolver>
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