Class/Object

firrtl.graph

EulerTour

Related Docs: object EulerTour | package graph

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class EulerTour[T] extends AnyRef

A class that represents an Euler Tour of a directed graph from a given root. This requires O(n) preprocessing time to generate the initial Euler Tour.

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Instance Constructors

  1. new EulerTour(r: Map[T, Int], e: Seq[T], h: Seq[Int])

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    Create a new EulerTour from the specified data

    Create a new EulerTour from the specified data

    r

    A map of a node to its first index

    e

    A representation of the EulerTour as a Seq[T]

    h

    The depths of the Euler Tour represented as a Seq[Int]

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. final def asInstanceOf[T0]: T0

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  5. def clone(): AnyRef

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  6. final def eq(arg0: AnyRef): Boolean

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  7. def equals(arg0: Any): Boolean

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  8. def finalize(): Unit

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  9. final def getClass(): Class[_]

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  10. def hashCode(): Int

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  11. final def isInstanceOf[T0]: Boolean

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  12. final def ne(arg0: AnyRef): Boolean

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  13. final def notify(): Unit

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  14. final def notifyAll(): Unit

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  15. def rmq(x: T, y: T): T

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    Range Minimum Query of the Euler Tour.

    Range Minimum Query of the Euler Tour.

    Use this for typical queries.

    x

    The first query bound

    y

    The second query bound

    returns

    The minimum between the first and second query

    Note

    The order of x and y does not matter

    ,

    This currently maps to rmqBV, but may choose to map to either rmqBV or rmqNaive

  16. def rmqBV(x: T, y: T): T

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    Range Minimum Query using the Berkman--Vishkin algorithm with the simplifications of Bender--Farach-Colton.

    Range Minimum Query using the Berkman--Vishkin algorithm with the simplifications of Bender--Farach-Colton.

    x

    The first query bound

    y

    The second query bound

    returns

    The minimum between the first and second query

    Note

    Performance:

    • preprocessing: O(n)
    • query: O(1)
    ,

    The order of x and y does not matter

  17. def rmqNaive(x: T, y: T): T

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    Range Minimum Query of an Euler Tour using a naive algorithm.

    Range Minimum Query of an Euler Tour using a naive algorithm.

    x

    The first query bound

    y

    The second query bound

    returns

    The minimum between the first and second query

    Note

    Performance:

    • preprocessing: O(1)
    • query: O(n)
    ,

    The order of x and y does not matter

  18. final def synchronized[T0](arg0: ⇒ T0): T0

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  19. def toString(): String

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  20. final def wait(): Unit

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  21. final def wait(arg0: Long, arg1: Int): Unit

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  22. final def wait(arg0: Long): Unit

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