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/* __ *\
** ________ ___ / / ___ Scala API **
** / __/ __// _ | / / / _ | (c) 2002-2011, LAMP/EPFL **
** __\ \/ /__/ __ |/ /__/ __ | http://scala-lang.org/ **
** /____/\___/_/ |_/____/_/ | | **
** |/ **
\* */
package scala.runtime
final class RichFloat(val self: Float) extends FractionalProxy[Float] {
protected val integralNum = Numeric.FloatAsIfIntegral
def round: Int = math.round(self)
def ceil: Float = math.ceil(self).toFloat
def floor: Float = math.floor(self).toFloat
/** Converts an angle measured in degrees to an approximately equivalent
* angle measured in radians.
*
* @param x an angle, in degrees
* @return the measurement of the angle `x` in radians.
*/
def toRadians: Float = math.toRadians(self).toFloat
/** Converts an angle measured in radians to an approximately equivalent
* angle measured in degrees.
*
* @param x angle, in radians
* @return the measurement of the angle `x` in degrees.
*/
def toDegrees: Float = math.toDegrees(self).toFloat
// isNaN is provided by the implicit conversion to java.lang.Float
// def isNaN: Boolean = java.lang.Float.isNaN(self)
def isInfinity: Boolean = java.lang.Float.isInfinite(self)
def isPosInfinity: Boolean = isInfinity && self > 0.0f
def isNegInfinity: Boolean = isInfinity && self < 0.0f
override def isValidByte = self.toByte.toFloat == self
override def isValidShort = self.toShort.toFloat == self
override def isValidChar = self.toChar.toFloat == self
override def isValidInt = { val i = self.toInt; i.toFloat == self && i != Int.MaxValue }
// override def isValidLong = { val l = self.toLong; l.toFloat == self && l != Long.MaxValue }
// override def isValidFloat = !java.lang.Float.isNaN(self)
// override def isValidDouble = !java.lang.Float.isNaN(self)
override def isWhole = {
val l = self.toLong
l.toFloat == self || l == Long.MaxValue && self < Float.PositiveInfinity || l == Long.MinValue && self > Float.NegativeInfinity
}
}
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