Imported gcc-4.4.3

[msp430-gcc.git] / libjava / gnu / java / awt / BitMaskExtent.java

diff --git a/libjava/gnu/java/awt/BitMaskExtent.java b/libjava/gnu/java/awt/BitMaskExtent.java
deleted file mode 100644 (file)
index 3caad76..0000000
--- a/libjava/gnu/java/awt/BitMaskExtent.java
+++ /dev/null
@@ -1,79 +0,0 @@
-/* Copyright (C) 2000, 2002  Free Software Foundation
-
-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., 59 Temple Place, Suite 330, Boston, MA
-02111-1307 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 gnu.java.awt;
-
-/** 
- * Simple transparent utility class that can be used to perform bit
- * mask extent calculations.
- */
-public final class BitMaskExtent
-{
-  /** The number of the least significant bit of the bit mask extent. */
-  public byte leastSignificantBit;
-
-  /** The number of bits in the bit mask extent. */
-  public byte bitWidth;
-  
-  /**
-   * Set the bit mask. This will calculate and set the leastSignificantBit
-   * and bitWidth fields.
-   *
-   * @see #leastSignificantBit
-   * @see #bitWidth
-   */
-  public void setMask(long mask)
-  {
-    leastSignificantBit = 0;
-    bitWidth = 0;
-    if (mask == 0) return;
-    long shiftMask = mask;
-    for (; (shiftMask&1) == 0; shiftMask >>>=1) leastSignificantBit++;
-    for (; (shiftMask&1) != 0; shiftMask >>>=1) bitWidth++;
-    
-    if (shiftMask != 0)
-      throw new IllegalArgumentException("mask must be continuous");
-  }
-  
-  /** 
-   * Calculate the bit mask based on the values of the
-   * leastSignificantBit and bitWidth fields.
-   */
-  public long toMask()
-  {
-    return ((1<<bitWidth)-1) << leastSignificantBit;
-  }  
-}