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Scala example source code file (Double.scala)

This example Scala source code file (Double.scala) is included in my "Source Code Warehouse" project. The intent of this project is to help you more easily find Scala source code examples by using tags.

All credit for the original source code belongs to scala-lang.org; I'm just trying to make examples easier to find. (For my Scala work, see my Scala examples and tutorials.)

Scala tags/keywords

boolean, byte, char, double, float, int, long, negativeinfinity, short, string

The Double.scala Scala example source code

/*                     __                                               *\
**     ________ ___   / /  ___     Scala API                            **
**    / __/ __// _ | / /  / _ |    (c) 2002-2013, LAMP/EPFL             **
**  __\ \/ /__/ __ |/ /__/ __ |    http://scala-lang.org/               **
** /____/\___/_/ |_/____/_/ | |                                         **
**                          |/                                          **
\*                                                                      */

// DO NOT EDIT, CHANGES WILL BE LOST
// This auto-generated code can be modified in scala.tools.cmd.gen.
// Afterwards, running tools/codegen-anyvals regenerates this source file.

package scala

/** `Double`, a 64-bit IEEE-754 floating point number (equivalent to Java's `double` primitive type) is a
 *  subtype of [[scala.AnyVal]]. Instances of `Double` are not
 *  represented by an object in the underlying runtime system.
 *
 *  There is an implicit conversion from [[scala.Double]] => [[scala.runtime.RichDouble]]
 *  which provides useful non-primitive operations.
 */
final abstract class Double private extends AnyVal {
  def toByte: Byte
  def toShort: Short
  def toChar: Char
  def toInt: Int
  def toLong: Long
  def toFloat: Float
  def toDouble: Double

  /** Returns this value, unmodified. */
  def unary_+ : Double
  /** Returns the negation of this value. */
  def unary_- : Double

  def +(x: String): String

  /** Returns `true` if this value is equal to x, `false` otherwise. */
  def ==(x: Byte): Boolean
  /** Returns `true` if this value is equal to x, `false` otherwise. */
  def ==(x: Short): Boolean
  /** Returns `true` if this value is equal to x, `false` otherwise. */
  def ==(x: Char): Boolean
  /** Returns `true` if this value is equal to x, `false` otherwise. */
  def ==(x: Int): Boolean
  /** Returns `true` if this value is equal to x, `false` otherwise. */
  def ==(x: Long): Boolean
  /** Returns `true` if this value is equal to x, `false` otherwise. */
  def ==(x: Float): Boolean
  /** Returns `true` if this value is equal to x, `false` otherwise. */
  def ==(x: Double): Boolean

  /** Returns `true` if this value is not equal to x, `false` otherwise. */
  def !=(x: Byte): Boolean
  /** Returns `true` if this value is not equal to x, `false` otherwise. */
  def !=(x: Short): Boolean
  /** Returns `true` if this value is not equal to x, `false` otherwise. */
  def !=(x: Char): Boolean
  /** Returns `true` if this value is not equal to x, `false` otherwise. */
  def !=(x: Int): Boolean
  /** Returns `true` if this value is not equal to x, `false` otherwise. */
  def !=(x: Long): Boolean
  /** Returns `true` if this value is not equal to x, `false` otherwise. */
  def !=(x: Float): Boolean
  /** Returns `true` if this value is not equal to x, `false` otherwise. */
  def !=(x: Double): Boolean

  /** Returns `true` if this value is less than x, `false` otherwise. */
  def <(x: Byte): Boolean
  /** Returns `true` if this value is less than x, `false` otherwise. */
  def <(x: Short): Boolean
  /** Returns `true` if this value is less than x, `false` otherwise. */
  def <(x: Char): Boolean
  /** Returns `true` if this value is less than x, `false` otherwise. */
  def <(x: Int): Boolean
  /** Returns `true` if this value is less than x, `false` otherwise. */
  def <(x: Long): Boolean
  /** Returns `true` if this value is less than x, `false` otherwise. */
  def <(x: Float): Boolean
  /** Returns `true` if this value is less than x, `false` otherwise. */
  def <(x: Double): Boolean

  /** Returns `true` if this value is less than or equal to x, `false` otherwise. */
  def <=(x: Byte): Boolean
  /** Returns `true` if this value is less than or equal to x, `false` otherwise. */
  def <=(x: Short): Boolean
  /** Returns `true` if this value is less than or equal to x, `false` otherwise. */
  def <=(x: Char): Boolean
  /** Returns `true` if this value is less than or equal to x, `false` otherwise. */
  def <=(x: Int): Boolean
  /** Returns `true` if this value is less than or equal to x, `false` otherwise. */
  def <=(x: Long): Boolean
  /** Returns `true` if this value is less than or equal to x, `false` otherwise. */
  def <=(x: Float): Boolean
  /** Returns `true` if this value is less than or equal to x, `false` otherwise. */
  def <=(x: Double): Boolean

  /** Returns `true` if this value is greater than x, `false` otherwise. */
  def >(x: Byte): Boolean
  /** Returns `true` if this value is greater than x, `false` otherwise. */
  def >(x: Short): Boolean
  /** Returns `true` if this value is greater than x, `false` otherwise. */
  def >(x: Char): Boolean
  /** Returns `true` if this value is greater than x, `false` otherwise. */
  def >(x: Int): Boolean
  /** Returns `true` if this value is greater than x, `false` otherwise. */
  def >(x: Long): Boolean
  /** Returns `true` if this value is greater than x, `false` otherwise. */
  def >(x: Float): Boolean
  /** Returns `true` if this value is greater than x, `false` otherwise. */
  def >(x: Double): Boolean

  /** Returns `true` if this value is greater than or equal to x, `false` otherwise. */
  def >=(x: Byte): Boolean
  /** Returns `true` if this value is greater than or equal to x, `false` otherwise. */
  def >=(x: Short): Boolean
  /** Returns `true` if this value is greater than or equal to x, `false` otherwise. */
  def >=(x: Char): Boolean
  /** Returns `true` if this value is greater than or equal to x, `false` otherwise. */
  def >=(x: Int): Boolean
  /** Returns `true` if this value is greater than or equal to x, `false` otherwise. */
  def >=(x: Long): Boolean
  /** Returns `true` if this value is greater than or equal to x, `false` otherwise. */
  def >=(x: Float): Boolean
  /** Returns `true` if this value is greater than or equal to x, `false` otherwise. */
  def >=(x: Double): Boolean

  /** Returns the sum of this value and `x`. */
  def +(x: Byte): Double
  /** Returns the sum of this value and `x`. */
  def +(x: Short): Double
  /** Returns the sum of this value and `x`. */
  def +(x: Char): Double
  /** Returns the sum of this value and `x`. */
  def +(x: Int): Double
  /** Returns the sum of this value and `x`. */
  def +(x: Long): Double
  /** Returns the sum of this value and `x`. */
  def +(x: Float): Double
  /** Returns the sum of this value and `x`. */
  def +(x: Double): Double

  /** Returns the difference of this value and `x`. */
  def -(x: Byte): Double
  /** Returns the difference of this value and `x`. */
  def -(x: Short): Double
  /** Returns the difference of this value and `x`. */
  def -(x: Char): Double
  /** Returns the difference of this value and `x`. */
  def -(x: Int): Double
  /** Returns the difference of this value and `x`. */
  def -(x: Long): Double
  /** Returns the difference of this value and `x`. */
  def -(x: Float): Double
  /** Returns the difference of this value and `x`. */
  def -(x: Double): Double

  /** Returns the product of this value and `x`. */
  def *(x: Byte): Double
  /** Returns the product of this value and `x`. */
  def *(x: Short): Double
  /** Returns the product of this value and `x`. */
  def *(x: Char): Double
  /** Returns the product of this value and `x`. */
  def *(x: Int): Double
  /** Returns the product of this value and `x`. */
  def *(x: Long): Double
  /** Returns the product of this value and `x`. */
  def *(x: Float): Double
  /** Returns the product of this value and `x`. */
  def *(x: Double): Double

  /** Returns the quotient of this value and `x`. */
  def /(x: Byte): Double
  /** Returns the quotient of this value and `x`. */
  def /(x: Short): Double
  /** Returns the quotient of this value and `x`. */
  def /(x: Char): Double
  /** Returns the quotient of this value and `x`. */
  def /(x: Int): Double
  /** Returns the quotient of this value and `x`. */
  def /(x: Long): Double
  /** Returns the quotient of this value and `x`. */
  def /(x: Float): Double
  /** Returns the quotient of this value and `x`. */
  def /(x: Double): Double

  /** Returns the remainder of the division of this value by `x`. */
  def %(x: Byte): Double
  /** Returns the remainder of the division of this value by `x`. */
  def %(x: Short): Double
  /** Returns the remainder of the division of this value by `x`. */
  def %(x: Char): Double
  /** Returns the remainder of the division of this value by `x`. */
  def %(x: Int): Double
  /** Returns the remainder of the division of this value by `x`. */
  def %(x: Long): Double
  /** Returns the remainder of the division of this value by `x`. */
  def %(x: Float): Double
  /** Returns the remainder of the division of this value by `x`. */
  def %(x: Double): Double

  override def getClass(): Class[Double] = null
}

object Double extends AnyValCompanion {
  /** The smallest positive value greater than 0.0d which is
   *  representable as a Double.
   */
  final val MinPositiveValue = java.lang.Double.MIN_VALUE
  final val NaN              = java.lang.Double.NaN
  final val PositiveInfinity = java.lang.Double.POSITIVE_INFINITY
  final val NegativeInfinity = java.lang.Double.NEGATIVE_INFINITY

  /** The negative number with the greatest (finite) absolute value which is representable
   *  by a Double.  Note that it differs from [[java.lang.Double.MIN_VALUE]], which
   *  is the smallest positive value representable by a Double.  In Scala that number
   *  is called Double.MinPositiveValue.
   */
  final val MinValue = -java.lang.Double.MAX_VALUE

  /** The largest finite positive number representable as a Double. */
  final val MaxValue = java.lang.Double.MAX_VALUE

  /** Transform a value type into a boxed reference type.
   *
   *  Runtime implementation determined by `scala.runtime.BoxesRunTime.boxToDouble`. See [[https://github.com/scala/scala src/library/scala/runtime/BoxesRunTime.java]].
   *
   *  @param  x   the Double to be boxed
   *  @return     a java.lang.Double offering `x` as its underlying value.
   */
  def box(x: Double): java.lang.Double = java.lang.Double.valueOf(x)

  /** Transform a boxed type into a value type.  Note that this
   *  method is not typesafe: it accepts any Object, but will throw
   *  an exception if the argument is not a java.lang.Double.
   *
   *  Runtime implementation determined by `scala.runtime.BoxesRunTime.unboxToDouble`. See [[https://github.com/scala/scala src/library/scala/runtime/BoxesRunTime.java]].
   *
   *  @param  x   the java.lang.Double to be unboxed.
   *  @throws     ClassCastException  if the argument is not a java.lang.Double
   *  @return     the Double resulting from calling doubleValue() on `x`
   */
  def unbox(x: java.lang.Object): Double = x.asInstanceOf[java.lang.Double].doubleValue()

  /** The String representation of the scala.Double companion object. */
  override def toString = "object scala.Double"
}

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