Scala Library: scala.math.Fractional
scala.math.Fractional
trait Fractional[T] extends Numeric[T]- Source
- Since
- 2.8
Type Members
class FractionalOps extends Ops
class Ops extends AnyRef
- Definition Classes
- Numeric
Concrete Value Members From java.util.Comparator
def reversed(): Comparator[T]
- Definition Classes
- Comparator
(defined at java.util.Comparator)
def thenComparing(arg0: Comparator[_ >: T]): Comparator[T]
- Definition Classes
- Comparator
(defined at java.util.Comparator)
def thenComparingDouble(arg0: ToDoubleFunction[_ >: T]): Comparator[T]
- Definition Classes
- Comparator
(defined at java.util.Comparator)
def thenComparingInt(arg0: ToIntFunction[_ >: T]): Comparator[T]
- Definition Classes
- Comparator
(defined at java.util.Comparator)
def thenComparingLong(arg0: ToLongFunction[_ >: T]): Comparator[T]
- Definition Classes
- Comparator
(defined at java.util.Comparator)
def thenComparing[U <: Comparable[_ >: U]](arg0: java.util.function.Function[_ >: T, _ <: U]): Comparator[T]
- Definition Classes
- Comparator
(defined at java.util.Comparator)
def thenComparing[U](arg0: java.util.function.Function[_ >: T, _ <: U], arg1: Comparator[_ >: U]): Comparator[T]
- Definition Classes
- Comparator
(defined at java.util.Comparator)
Abstract Value Members From scala.math.Fractional
abstract def div(x: T, y: T): T
(defined at scala.math.Fractional)
Concrete Value Members From scala.math.Fractional
implicit def mkNumericOps(lhs: T): FractionalOps
- Definition Classes
- Fractional → Numeric
(defined at scala.math.Fractional)
Abstract Value Members From scala.math.Numeric
abstract def fromInt(x: Int): T
- Definition Classes
- Numeric
(defined at scala.math.Numeric)
abstract def minus(x: T, y: T): T
- Definition Classes
- Numeric
(defined at scala.math.Numeric)
abstract def negate(x: T): T
- Definition Classes
- Numeric
(defined at scala.math.Numeric)
abstract def plus(x: T, y: T): T
- Definition Classes
- Numeric
(defined at scala.math.Numeric)
abstract def times(x: T, y: T): T
- Definition Classes
- Numeric
(defined at scala.math.Numeric)
abstract def toDouble(x: T): Double
- Definition Classes
- Numeric
(defined at scala.math.Numeric)
abstract def toFloat(x: T): Float
- Definition Classes
- Numeric
(defined at scala.math.Numeric)
abstract def toInt(x: T): Int
- Definition Classes
- Numeric
(defined at scala.math.Numeric)
abstract def toLong(x: T): Long
- Definition Classes
- Numeric
(defined at scala.math.Numeric)
Concrete Value Members From scala.math.Numeric
def abs(x: T): T
- Definition Classes
- Numeric
(defined at scala.math.Numeric)
def signum(x: T): Int
- Definition Classes
- Numeric
(defined at scala.math.Numeric)
Abstract Value Members From scala.math.Ordering
abstract def compare(x: T, y: T): Int
Returns an integer whose sign communicates how x compares to y.
The result sign has the following meaning:
- negative if x < y
- positive if x > y
-
zero otherwise (if x == y)
- Definition Classes
- Ordering → Comparator
(defined at scala.math.Ordering)
Concrete Value Members From scala.math.Ordering
def equiv(x: T, y: T): Boolean
Return true if x == y in the ordering.
- Definition Classes
- Ordering → PartialOrdering → Equiv
(defined at scala.math.Ordering)
def gt(x: T, y: T): Boolean
Return true if x > y in the ordering.
- Definition Classes
- Ordering → PartialOrdering
(defined at scala.math.Ordering)
def gteq(x: T, y: T): Boolean
Return true if x >= y in the ordering.
- Definition Classes
- Ordering → PartialOrdering
(defined at scala.math.Ordering)
def lt(x: T, y: T): Boolean
Return true if x < y in the ordering.
- Definition Classes
- Ordering → PartialOrdering
(defined at scala.math.Ordering)
def lteq(x: T, y: T): Boolean
Return true if x <= y in the ordering.
- Definition Classes
- Ordering → PartialOrdering
(defined at scala.math.Ordering)
def max(x: T, y: T): T
Return x if x >= y , otherwise y .
- Definition Classes
- Ordering
(defined at scala.math.Ordering)
def min(x: T, y: T): T
Return x if x <= y , otherwise y .
- Definition Classes
- Ordering
(defined at scala.math.Ordering)
implicit def mkOrderingOps(lhs: T): Fractional.Ops
This implicit method augments T with the comparison operators defined in
scala.math.Ordering.Ops .
- Definition Classes
- Ordering
(defined at scala.math.Ordering)
def on[U](f: (U) ⇒ T): Ordering[U]
Given f, a function from U into T, creates an Ordering[U] whose compare function is equivalent to:
def compare(x:U, y:U) = Ordering[T].compare(f(x), f(y))- Definition Classes
- Ordering
(defined at scala.math.Ordering)
def reverse: Ordering[T]
Return the opposite ordering of this one.
- Definition Classes
- Ordering → PartialOrdering
(defined at scala.math.Ordering)
def tryCompare(x: T, y: T): Some[Int]
Returns whether a comparison between x and y is defined, and if so the
result of compare(x, y) .
- Definition Classes
- Ordering → PartialOrdering (defined at scala.math.Ordering)
Full Source:
/* __ *\
** ________ ___ / / ___ Scala API **
** / __/ __// _ | / / / _ | (c) 2003-2013, LAMP/EPFL **
** __\ \/ /__/ __ |/ /__/ __ | http://scala-lang.org/ **
** /____/\___/_/ |_/____/_/ | | **
** |/ **
\* */
package scala
package math
import scala.language.implicitConversions
/**
* @since 2.8
*/
trait Fractional[T] extends Numeric[T] {
def div(x: T, y: T): T
class FractionalOps(lhs: T) extends Ops(lhs) {
def /(rhs: T) = div(lhs, rhs)
}
override implicit def mkNumericOps(lhs: T): FractionalOps =
new FractionalOps(lhs)
}
object Fractional {
trait ExtraImplicits {
implicit def infixFractionalOps[T](x: T)(implicit num: Fractional[T]): Fractional[T]#FractionalOps = new num.FractionalOps(x)
}
object Implicits extends ExtraImplicits
}Interested in Scala?
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