gcc/libjava/java/lang/Double.java

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/* Copyright (C) 1998, 1999, 2000, 2001 Free Software Foundation
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This file is part of libgcj.
This software is copyrighted work licensed under the terms of the
Libgcj License. Please consult the file "LIBGCJ_LICENSE" for
details. */
package java.lang;
/**
* @author Andrew Haley <aph@cygnus.com>
* @date September 25, 1998.
*/
/* Written using "Java Class Libraries", 2nd edition, ISBN 0-201-31002-3
* "The Java Language Specification", ISBN 0-201-63451-1
* plus online API docs for JDK 1.2 beta from http://www.javasoft.com.
* Status: Believed complete and correct.
*/
public final class Double extends Number implements Comparable
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{
public static final double MIN_VALUE = 5e-324;
public static final double MAX_VALUE = 1.7976931348623157e+308;
public static final double NEGATIVE_INFINITY = -1.0d/0.0d;
public static final double POSITIVE_INFINITY = 1.0d/0.0d;
public static final double NaN = 0.0d/0.0d;
// This initialization is seemingly circular, but it is accepted
// by javac, and is handled specially by gcc.
public static final Class TYPE = double.class;
private double value;
PropertyChangeEvent.java (serialVersionUID): Added. * java/beans/PropertyChangeEvent.java (serialVersionUID): Added. * java/beans/PropertyVetoException.java (serialVersionUID): Added. * java/io/File.java (writeObject): Added. (readObject): Added. (serialVersionUID): Added. * java/io/ObjectOutputStream.java (writeObject): Initialized fieldsAlreadyWritten before recursion rather than after. * java/io/ObjectStreamClass.java (serialVersionUID): Added. * java/io/OptionalDataException.java (serialVersionUID): Added. (OptionalDataException): Made package private. * java/io/SyncFailedException.java (SyncFailedException): Removed default constructor to match spec. * java/lang/Boolean.java (serialVersionUID): Added. * java/lang/Byte.java (serialVersionUID): Added. * java/lang/Character.java (serialVersionUID): Added. * java/lang/Double.java (serialVersionUID): Added. * java/lang/Float.java (serialVersionUID): Added. * java/lang/Integer.java (serialVersionUID): Added. * java/lang/Long.java (serialVersionUID): Added. * java/lang/Number.java (serialVersionUID): Added. * java/lang/Short.java (serialVersionUID): Added. * java/lang/String.java (serialVersionUID): Added. * java/lang/ThreadDeath.java (ThreadDeath): Removed constructor to match spec. * java/lang/reflect/InvocationTargetException.java (serialVersionUID): Added. * java/net/URL.java (handler): Made transient. (hashCode): Added field for serialization, per spec. and use cached value if available. (serialVersionUID): Added. (URL): Initialize hashCode. (set): Adjust hashCode. (readObject): New Method to initialize the protocol handler when deserializing. (writeObject): New method. * java/text/BreakIterator.java: Removed 'implements Serializable'. * java/text/Collator.java: Removed 'implements Serializable'. * java/util/GregorianCalendar.java (serialVersionUID): Added. * java/util/Properties.java (serialVersionUID): Added. * java/util/Random.java (serialVersionUID): Added. (seed): Made private. (nextNextGaussian): Made private. (haveNextNextGaussian): Made private. * java/util/Stack.java (serialVersionUID): Added. * java/util/TimeZone.java (serialVersionUID): Added. * java/util/Vector.java (serialVersionUID): Added. Serialization mods. From-SVN: r36272
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private static final long serialVersionUID = -9172774392245257468L;
public native static double parseDouble (String s)
throws NumberFormatException;
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public Double (double v)
{
value = v;
}
public Double (String s) throws NumberFormatException
{
value = valueOf (s).doubleValue ();
}
public String toString ()
{
return toString (value);
}
public boolean equals (Object obj)
{
if (!(obj instanceof Double))
return false;
Double d = (Double) obj;
return doubleToLongBits (value) == doubleToLongBits (d.doubleValue ());
}
public int hashCode ()
{
long v = doubleToLongBits (value);
return (int) (v ^ (v >>> 32));
}
public int intValue ()
{
return (int) value;
}
public long longValue ()
{
return (long) value;
}
public float floatValue ()
{
return (float) value;
}
public double doubleValue ()
{
return value;
}
public byte byteValue ()
{
return (byte) value;
}
public short shortValue ()
{
return (short) value;
}
native static String toString (double v, boolean isFloat);
public static String toString (double v)
{
return toString (v, false);
}
public static Double valueOf (String s) throws NumberFormatException
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{
return new Double (parseDouble (s));
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}
public boolean isNaN ()
{
return isNaN (value);
}
public static boolean isNaN (double v)
{
long bits = doubleToLongBits (v);
long e = bits & 0x7ff0000000000000L;
long f = bits & 0x000fffffffffffffL;
return e == 0x7ff0000000000000L && f != 0L;
}
public boolean isInfinite ()
{
return isInfinite (value);
}
public static boolean isInfinite (double v)
{
long bits = doubleToLongBits (v);
long f = bits & 0x7fffffffffffffffL;
return f == 0x7ff0000000000000L;
}
public static native long doubleToLongBits (double value);
public static native long doubleToRawLongBits (double value);
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public static native double longBitsToDouble (long bits);
public int compareTo (Double d)
{
double v = d.value;
if (isNaN (value))
return isNaN (v) ? 1 : 0;
else if (isNaN (v))
return -1;
else if (value == 0.0 && v == -0.0)
return 1;
else if (value == -0.0 && v == 0.0)
return -1;
else if (value == v)
return 0;
return value > v ? 1 : -1;
}
public int compareTo (Object o)
{
return compareTo ((Double) o);
}
}