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ap.terfor.inequalities

ReduceWithInEqs

Related Docs: object ReduceWithInEqs | package inequalities

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abstract class ReduceWithInEqs extends AnyRef

Reduce certain terms or formulas drawing information from inequalities that are assumed as facts.

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Instance Constructors

  1. new ReduceWithInEqs()

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Abstract Value Members

  1. abstract def addInEqs(furtherInEqs: InEqConj): ReduceWithInEqs

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  2. abstract def apply(conj: InEqConj): InEqConj

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    Reduce a conjunction of inequalities.

    Reduce a conjunction of inequalities. This means that subsumed inequalities are removed, contradictions are detected, and possibly further equations are inferred.

  3. abstract def apply(conj: NegEquationConj, logger: ComputationLogger): (NegEquationConj, InEqConj)

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    Reduce a conjunction of negated equations by removing all equations from which we know that they hold anyway.

    Reduce a conjunction of negated equations by removing all equations from which we know that they hold anyway. This will also turn disequalities into inequalities if possible.

  4. abstract def apply(conj: EquationConj): EquationConj

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  5. abstract def lowerBound(t: Term): Option[IdealInt]

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    Check whether the known inequalities imply a lower bound of the given term.

  6. abstract def lowerBoundWithAssumptions(t: Term): Option[(IdealInt, Seq[LinearCombination])]

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    Check whether the known inequalities imply a lower bound of the given term.

    Check whether the known inequalities imply a lower bound of the given term. Also return assumed inequalities needed to derive the bound.

  7. abstract def passQuantifiers(num: Int): ReduceWithInEqs

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    Create a ReduceWithEqs that can be used underneath num binders.

    Create a ReduceWithEqs that can be used underneath num binders. The conversion of de Brujin-variables is done on the fly, which should give a good performance when the resulting ReduceWithEqs is not applied too often (TODO: caching)

  8. abstract def reduceNoEqualityInfs(conj: InEqConj): InEqConj

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    Reduce a conjunction of inequalities without implied equations.

    Reduce a conjunction of inequalities without implied equations. (i.e., conj.equalityInfs.isEmpty)

  9. abstract def upperBound(t: Term): Option[IdealInt]

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    Check whether the known inequalities imply an upper bound of the given term.

  10. abstract def upperBoundWithAssumptions(t: Term): Option[(IdealInt, Seq[LinearCombination])]

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    Check whether the known inequalities imply an upper bound of the given term.

    Check whether the known inequalities imply an upper bound of the given term. Also return assumed inequalities needed to derive the bound.

Concrete Value Members

  1. final def !=(arg0: Any): Boolean

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  2. final def ##(): Int

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  3. final def ==(arg0: Any): Boolean

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  4. def apply(conj: NegEquationConj): (NegEquationConj, InEqConj)

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    Reduce a conjunction of negated equations by removing all equations from which we know that they hold anyway.

    Reduce a conjunction of negated equations by removing all equations from which we know that they hold anyway. This will also turn disequalities into inequalities if possible.

  5. final def asInstanceOf[T0]: T0

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