Rational

Value Members

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

   Definition Classes

   AnyRef → Any

2. final def ##(): Int

   Definition Classes

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

   Definition Classes

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4. val _0: Rational

   Zero (0) as a Rational number

5. val _1: Rational

   One (1) as a Rational number

6. val _1_big: BigDecimal

   One in BigDecimal

7. val _1n: Rational

   Negative one (-1) as a Rational number

8. def abs(x: Rational): Rational

   Return the absolute value of that rational number.

   Return the absolute value of that rational number.

   x

   that rational number

9. def apply(qs: String): Rational

   Create a rational number from its primary string representation "a/b".

   Create a rational number from its primary string representation "a/b". Examples: "2/3", "2".

   qs

   the string form of a rational number

10. def apply(qt: (Long, Long)): Rational

    Create a rational number from a pair (Tuple2) of Longs.

    Create a rational number from a pair (Tuple2) of Longs.

    qt

    the tuple form of a rational number

11. final def asInstanceOf[T0]: T0

    Definition Classes

    Any

12. def clone(): AnyRef

    Attributes

    protected[java.lang]

    Definition Classes

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    Annotations

    @throws( ... )

13. def create(qs: String): Rational

    Create a rational number from its secondary string representation "(a, b)".

    Create a rational number from its secondary string representation "(a, b)". Examples: "(2, 3)", "(2, 1)".

    qs

    the string form of a rational number

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

    Definition Classes

    AnyRef

15. def equals(arg0: Any): Boolean

    Definition Classes

    AnyRef → Any

16. def finalize(): Unit

    Attributes

    protected[java.lang]

    Definition Classes

    AnyRef

    Annotations

    @throws( classOf[java.lang.Throwable] )

17. def fromBigDecimal(y: BigDecimal): Rational

    Create a rational number from a BigDecimal number.

    Create a rational number from a BigDecimal number.

    y

    the BigDecimal used to create the rational number

18. def fromDouble(y: Double): Rational

    Create a rational number from a double.

    Create a rational number from a double.

    y

    the double used to create the rational number

19. def fromDouble2(y: Double, md: Long = maxDen): Rational

    Create a rational number from a Double.

    Create a rational number from a Double. FIX: if den not a power of 2, it goes to md.

    y

    the double used to create the rational number.

    md

    the maximum denominator

    See also

    http://rosettacode.org/wiki/Convert_decimal_number_to_rational

20. def fromFloat(y: Float): Rational

    Create a rational number from a Float.

    Create a rational number from a Float.

    y

    the float used to create the rational number.

21. def fromInt(n: Int): Rational

    Create a rational number from an Int.

    Create a rational number from an Int.

    n

    the integer used to create the rational number.

22. def fromLong(n: Long): Rational

    Create a rational number from a Long.

    Create a rational number from a Long.

    n

    the long used to create the rational number.

23. def from_BigDecimal(y: BigDecimal, md: Long = Long.MaxValue): (Long, Long)

    Determine the numerator and denonimator of the closest rational number to the given BigDecimal number.

    Determine the numerator and denonimator of the closest rational number to the given BigDecimal number.

    y

    the BigDecimal used to create the rational number

    md

    the maximum denominator

24. def from_Double(y: Double, md: Long = maxDen): (Long, Long)

    Determine the numerator and denonimator of the closest rational number to the given BigDecimal number.

    Determine the numerator and denonimator of the closest rational number to the given BigDecimal number.

    y

    the double used to create the rational number

    md

    the maximum denominator

    See also

    http://stackoverflow.com/questions/5124743/algorithm-for-simplifying- decimal-to-fractions/5128558#5128558

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

    Definition Classes

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26. def hashCode(): Int

    Definition Classes

    AnyRef → Any

27. final def isInstanceOf[T0]: Boolean

    Definition Classes

    Any

28. def make(s: String): Rational

    Make a rational number from a String of the form "12.

    Make a rational number from a String of the form "12.3E+7".

    s

    the given String representation of a number

    See also

    http://docs.oracle.com/javase/1.5.0/docs/api/java/math/BigDecimal.html #BigDecimal%28java.lang.String%29

29. val maxDen: Long

    Denominator (2 ~^ 54) big enough to capture largest Double significand (53 bits)

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

    Definition Classes

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31. final def notify(): Unit

    Definition Classes

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32. final def notifyAll(): Unit

    Definition Classes

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33. val ord: Ordering[Rational]

    Ordering for rational numbers.

34. def sqrt(x: Rational): Rational

    Return the square root of that rational number.

    Return the square root of that rational number.

    x

    that rational number

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

    Definition Classes

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36. def toString(): String

    Definition Classes

    AnyRef → Any

37. final def wait(): Unit

    Definition Classes

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    Annotations

    @throws( ... )

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

    Definition Classes

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    Annotations

    @throws( ... )

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

    Definition Classes

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    Annotations

    @throws( ... )