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Standard library for the Scala Programming Language
/* __ *\
** ________ ___ / / ___ Scala API **
** / __/ __// _ | / / / _ | (c) 2002-2013, LAMP/EPFL **
** __\ \/ /__/ __ |/ /__/ __ | http://scala-lang.org/ **
** /____/\___/_/ |_/____/_/ | | **
** |/ **
\* */
package scala
package runtime
final class RichDouble(val self: Double) extends AnyVal with FractionalProxy[Double] {
protected def num = scala.math.Numeric.DoubleIsFractional
protected def ord = scala.math.Ordering.Double
protected def integralNum = scala.math.Numeric.DoubleAsIfIntegral
def round: Long = math.round(self)
def ceil: Double = math.ceil(self)
def floor: Double = math.floor(self)
/** Converts an angle measured in degrees to an approximately equivalent
* angle measured in radians.
*
* @return the measurement of the angle x in radians.
*/
def toRadians: Double = math.toRadians(self)
/** Converts an angle measured in radians to an approximately equivalent
* angle measured in degrees.
* @return the measurement of the angle x in degrees.
*/
def toDegrees: Double = math.toDegrees(self)
// isNaN is provided by the implicit conversion to java.lang.Double
// def isNaN: Boolean = java.lang.Double.isNaN(self)
def isInfinity: Boolean = java.lang.Double.isInfinite(self)
def isPosInfinity: Boolean = isInfinity && self > 0.0
def isNegInfinity: Boolean = isInfinity && self < 0.0
override def isValidByte = self.toByte.toDouble == self
override def isValidShort = self.toShort.toDouble == self
override def isValidChar = self.toChar.toDouble == self
override def isValidInt = self.toInt.toDouble == self
// override def isValidLong = { val l = self.toLong; l.toDouble == self && l != Long.MaxValue }
// override def isValidFloat = self.toFloat.toDouble == self
// override def isValidDouble = !java.lang.Double.isNaN(self)
override def isWhole = {
val l = self.toLong
l.toDouble == self || l == Long.MaxValue && self < Double.PositiveInfinity || l == Long.MinValue && self > Double.NegativeInfinity
}
}