From c8875fb97fc03779a5bba09872227b1d08e5d52a Mon Sep 17 00:00:00 2001
From: tromey <tromey@138bc75d-0d04-0410-961f-82ee72b054a4>
Date: Sat, 16 Jul 2005 00:30:23 +0000
Subject: Initial revision

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@102074 138bc75d-0d04-0410-961f-82ee72b054a4
---
 libjava/classpath/java/lang/Number.java | 131 ++++++++++++++++++++++++++++++++
 1 file changed, 131 insertions(+)
 create mode 100644 libjava/classpath/java/lang/Number.java

(limited to 'libjava/classpath/java/lang/Number.java')

diff --git a/libjava/classpath/java/lang/Number.java b/libjava/classpath/java/lang/Number.java
new file mode 100644
index 00000000000..eb81f78c86e
--- /dev/null
+++ b/libjava/classpath/java/lang/Number.java
@@ -0,0 +1,131 @@
+/* Number.java =- abstract superclass of numeric objects
+   Copyright (C) 1998, 2001, 2002, 2005  Free Software Foundation, Inc.
+
+This file is part of GNU Classpath.
+
+GNU Classpath is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+GNU Classpath is distributed in the hope that it will be useful, but
+WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU Classpath; see the file COPYING.  If not, write to the
+Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+02110-1301 USA.
+
+Linking this library statically or dynamically with other modules is
+making a combined work based on this library.  Thus, the terms and
+conditions of the GNU General Public License cover the whole
+combination.
+
+As a special exception, the copyright holders of this library give you
+permission to link this library with independent modules to produce an
+executable, regardless of the license terms of these independent
+modules, and to copy and distribute the resulting executable under
+terms of your choice, provided that you also meet, for each linked
+independent module, the terms and conditions of the license of that
+module.  An independent module is a module which is not derived from
+or based on this library.  If you modify this library, you may extend
+this exception to your version of the library, but you are not
+obligated to do so.  If you do not wish to do so, delete this
+exception statement from your version. */
+
+
+package java.lang;
+
+import java.io.Serializable;
+
+/**
+ * Number is a generic superclass of all the numeric classes, including
+ * the wrapper classes {@link Byte}, {@link Short}, {@link Integer},
+ * {@link Long}, {@link Float}, and {@link Double}.  Also worth mentioning
+ * are the classes in {@link java.math}.
+ *
+ * It provides ways to convert numeric objects to any primitive.
+ *
+ * @author Paul Fisher
+ * @author John Keiser
+ * @author Warren Levy
+ * @author Eric Blake (ebb9@email.byu.edu)
+ * @since 1.0
+ * @status updated to 1.4
+ */
+public abstract class Number implements Serializable
+{
+  /**
+   * Compatible with JDK 1.1+.
+   */
+  private static final long serialVersionUID = -8742448824652078965L;
+
+  /**
+   * Table for calculating digits, used in Character, Long, and Integer.
+   */
+  static final char[] digits = {
+    '0', '1', '2', '3', '4', '5', '6', '7', '8', '9',
+    'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j',
+    'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't',
+    'u', 'v', 'w', 'x', 'y', 'z',
+  };
+
+  /**
+   * The basic constructor (often called implicitly).
+   */
+  public Number()
+  {
+  }
+
+  /**
+   * Return the value of this <code>Number</code> as an <code>int</code>.
+   *
+   * @return the int value
+   */
+  public abstract int intValue();
+
+  /**
+   * Return the value of this <code>Number</code> as a <code>long</code>.
+   *
+   * @return the long value
+   */
+  public abstract long longValue();
+
+  /**
+   * Return the value of this <code>Number</code> as a <code>float</code>.
+   *
+   * @return the float value
+   */
+  public abstract float floatValue();
+
+  /**
+   * Return the value of this <code>Number</code> as a <code>float</code>.
+   *
+   * @return the double value
+   */
+  public abstract double doubleValue();
+
+  /**
+   * Return the value of this <code>Number</code> as a <code>byte</code>.
+   *
+   * @return the byte value
+   * @since 1.1
+   */
+  public byte byteValue()
+  {
+    return (byte) intValue();
+  }
+
+  /**
+   * Return the value of this <code>Number</code> as a <code>short</code>.
+   *
+   * @return the short value
+   * @since 1.1
+   */
+  public short shortValue()
+  {
+    return (short) intValue();
+  }
+}
-- 
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