Package com.tangosol.io.pof

Class RawQuad

java.lang.Object
java.lang.Number
com.tangosol.io.pof.RawQuad
All Implemented Interfaces:
Serializable
public class RawQuad extends Number
An immutable POF 128-bit float.
Since:
Coherence 3.2
Author:
cp 2006.07.17
See Also:

  • Field Summary

    Fields
    Modifier and Type
    Field
    Description
    static final RawQuad
    ZERO
    An empty RawQuad value.

  • Constructor Summary

    Constructors
    Constructor
    Description
    RawQuad(double dfl)
    Construct a RawQuad from a double.
    RawQuad(Binary binBits)
    Construct a RawQuad from the raw binary data.
    RawQuad(BigInteger nUnscaledValue, int nScale)
    Construct a RawQuad from an unscaled integer value and a scale.

  • Method Summary

    Modifier and Type
    Method
    Description
    double
    doubleValue()
    Returns the value of the specified number as a double.
    boolean
    equals(Object o)
    Compare this object with another for equality.
    float
    floatValue()
    Returns the value of the specified number as a float.
    Binary
    getBits()
    Obtain the raw binary form of the 128-bit float.
    int
    hashCode()
    Obtain the hashcode for this object.
    int
    intValue()
    Returns the value of the specified number as an int.
    long
    longValue()
    Returns the value of the specified number as a long.
    int
    scale()
    Get the base-2 scale (exponent) of the quad value.
    String
    toString()
    Format this object's data as a human-readable string.
    BigInteger
    unscaledValue()
    Get the base-2 unscaled value (mantissa) of the quad value.

    Methods inherited from class java.lang.Number

    byteValue, shortValue

    Methods inherited from class java.lang.Object

    clone, finalize, getClass, notify, notifyAll, wait, wait, wait

  • Field Details

    • ZERO

      public static final RawQuad ZERO
      An empty RawQuad value.

  • Constructor Details

    • RawQuad

      public RawQuad(Binary binBits)
      Construct a RawQuad from the raw binary data.
      Parameters:
      binBits - the raw binary form of the 128-bit float

    • RawQuad

      public RawQuad(double dfl)
      Construct a RawQuad from a double.
      Parameters:
      dfl - the double value

    • RawQuad

      public RawQuad(BigInteger nUnscaledValue, int nScale)
      Construct a RawQuad from an unscaled integer value and a scale.
      Parameters:
      nUnscaledValue - the unscaled value (mantissa)
      nScale - the scale (exponent)

  • Method Details

    • intValue

      public int intValue()
      Returns the value of the specified number as an int. This may involve rounding or truncation.
      Specified by:
      intValue in class Number
      Returns:
      the numeric value represented by this object after conversion to type int.

    • longValue

      public long longValue()
      Returns the value of the specified number as a long. This may involve rounding or truncation.
      Specified by:
      longValue in class Number
      Returns:
      the numeric value represented by this object after conversion to type long.

    • floatValue

      public float floatValue()
      Returns the value of the specified number as a float. This may involve rounding.
      Specified by:
      floatValue in class Number
      Returns:
      the numeric value represented by this object after conversion to type float.

    • doubleValue

      public double doubleValue()
      Returns the value of the specified number as a double. This may involve rounding.
      Specified by:
      doubleValue in class Number
      Returns:
      the numeric value represented by this object after conversion to type double.

    • getBits

      public Binary getBits()
      Obtain the raw binary form of the 128-bit float.
      Returns:
      a 16-byte binary

    • unscaledValue

      public BigInteger unscaledValue()
      Get the base-2 unscaled value (mantissa) of the quad value.

      The name of this method is based on Java's BigDecimal.

      Returns:
      an unscaled binary integer value of up to 113 binary digits

    • scale

      public int scale()
      Get the base-2 scale (exponent) of the quad value.

      The name of this method is based on Java's BigDecimal.

      Returns:
      a binary exponent between -16382 to 16383 inclusive

    • equals

      public boolean equals(Object o)
      Compare this object with another for equality.
      Overrides:
      equals in class Object
      Parameters:
      o - another object to compare to for equality
      Returns:
      true iff this object is equal to the other object

    • hashCode

      public int hashCode()
      Obtain the hashcode for this object.
      Overrides:
      hashCode in class Object
      Returns:
      an integer hashcode

    • toString

      public String toString()
      Format this object's data as a human-readable string.
      Overrides:
      toString in class Object
      Returns:
      a string description of this object