Package org.ojalgo.optimisation
Class ExpressionsBasedModel.Presolver
- java.lang.Object
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- org.ojalgo.optimisation.ExpressionsBasedModel.Simplifier<Expression,ExpressionsBasedModel.Presolver>
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- org.ojalgo.optimisation.ExpressionsBasedModel.Presolver
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- All Implemented Interfaces:
java.lang.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 Modifier Constructor Description protected
Presolver(int executionOrder)
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Method Summary
All Methods Instance Methods Abstract Methods Concrete Methods Modifier and Type Method Description (package private) boolean
isApplicable(Expression target)
abstract boolean
simplify(Expression expression, java.util.Set<Structure1D.IntIndex> remaining, java.math.BigDecimal lower, java.math.BigDecimal upper, NumberContext precision)
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Methods inherited from class org.ojalgo.optimisation.ExpressionsBasedModel.Simplifier
compareTo, equals, getExecutionOrder, hashCode
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Method Detail
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simplify
public abstract boolean simplify(Expression expression, java.util.Set<Structure1D.IntIndex> remaining, java.math.BigDecimal lower, java.math.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
boolean isApplicable(Expression target)
- Specified by:
isApplicable
in classExpressionsBasedModel.Simplifier<Expression,ExpressionsBasedModel.Presolver>
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