Package com.ericsson.otp.erlang

Class OtpErlangDouble

java.lang.Object
com.ericsson.otp.erlang.OtpErlangObject
com.ericsson.otp.erlang.OtpErlangDouble
All Implemented Interfaces:
Serializable, Cloneable
Direct Known Subclasses:
OtpErlangFloat
public class OtpErlangDouble extends OtpErlangObject
Provides a Java representation of Erlang floats and doubles. Erlang defines only one floating point numeric type, however this class and its subclass OtpErlangFloat are used to provide representations corresponding to the Java types Double and Float.
See Also:

  • Constructor Details

    • OtpErlangDouble

      public OtpErlangDouble(double d)
      Create an Erlang float from the given double value.

    • OtpErlangDouble

      public OtpErlangDouble(OtpInputStream buf) throws OtpErlangDecodeException
      Create an Erlang float from a stream containing a double encoded in Erlang external format.
      Parameters:
      buf - the stream containing the encoded value.
      Throws:
      OtpErlangDecodeException - if the buffer does not contain a valid external representation of an Erlang float.

  • Method Details

    • doubleValue

      public double doubleValue()
      Get the value, as a double.
      Returns:
      the value of this object, as a double.

    • floatValue

      public float floatValue() throws OtpErlangRangeException
      Get the value, as a float.
      Returns:
      the value of this object, as a float.
      Throws:
      OtpErlangRangeException - if the value cannot be represented as a float.

    • toString

      public String toString()
      Get the string representation of this double.
      Specified by:
      toString in class OtpErlangObject
      Returns:
      the string representation of this double.

    • encode

      public void encode(OtpOutputStream buf)
      Convert this double to the equivalent Erlang external representation.
      Specified by:
      encode in class OtpErlangObject
      Parameters:
      buf - an output stream to which the encoded value should be written.

    • equals

      public boolean equals(Object o)
      Determine if two floats are equal. Floats are equal if they contain the same value.
      Specified by:
      equals in class OtpErlangObject
      Parameters:
      o - the float to compare to.
      Returns:
      true if the floats have the same value.

    • doHashCode

      protected int doHashCode()
      Overrides:
      doHashCode in class OtpErlangObject