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/* __ *\
** ________ ___ / / ___ Scala API **
** / __/ __// _ | / / / _ | (c) 2007-2009, LAMP/EPFL **
** __\ \/ /__/ __ |/ /__/ __ | http://scala-lang.org/ **
** /____/\___/_/ |_/____/_/ | | **
** |/ **
\* */
package scala.math
import java.{ lang => jl }
/** Conversions which present a consistent conversion interface
* across all the numeric types.
*/
trait ScalaNumericConversions extends ScalaNumber {
def toChar = intValue.toChar
def toByte = byteValue
def toShort = shortValue
def toInt = intValue
def toLong = longValue
def toFloat = floatValue
def toDouble = doubleValue
def isValidByte = isWhole && (toByte == toInt)
def isValidShort = isWhole && (toShort == toInt)
def isValidInt = isWhole && (toInt == toLong)
def isValidChar = isWhole && (toInt >= Char.MinValue && toInt <= Char.MaxValue)
protected def unifiedPrimitiveHashcode() = {
val lv = toLong
if (lv >= Int.MinValue && lv <= Int.MaxValue) lv.toInt
else lv.hashCode
}
protected def unifiedPrimitiveEquals(x: Any) = x match {
case x: Char => isValidChar && (toInt == x.toInt)
case x: Byte => isValidByte && (toByte == x)
case x: Short => isValidShort && (toShort == x)
case x: Int => isValidInt && (toInt == x)
case x: Long => toLong == x // XXX
case x: Float => toFloat == x // XXX
case x: Double => toDouble == x // XXX
case x: Number => this equals x
case _ => false
}
}
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