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-rw-r--r--libjava/java/lang/Double.java43
1 files changed, 23 insertions, 20 deletions
diff --git a/libjava/java/lang/Double.java b/libjava/java/lang/Double.java
index f6235d5b65c..92f8a230822 100644
--- a/libjava/java/lang/Double.java
+++ b/libjava/java/lang/Double.java
@@ -1,5 +1,5 @@
/* Double.java -- object wrapper for double
- Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2005
+ Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2005, 2006
Free Software Foundation, Inc.
This file is part of GNU Classpath.
@@ -38,7 +38,6 @@ exception statement from your version. */
package java.lang;
-import gnu.classpath.Configuration;
/**
* Instances of class <code>Double</code> represent primitive
@@ -89,6 +88,12 @@ public final class Double extends Number implements Comparable
public static final double NaN = 0.0 / 0.0;
/**
+ * The number of bits needed to represent a <code>double</code>.
+ * @since 1.5
+ */
+ public static final int SIZE = 64;
+
+ /**
* The primitive type <code>double</code> is represented by this
* <code>Class</code> object.
* @since 1.1
@@ -103,18 +108,6 @@ public final class Double extends Number implements Comparable
private final double value;
/**
- * Load native routines necessary for this class.
- */
- static
- {
- if (Configuration.INIT_LOAD_LIBRARY)
- {
- System.loadLibrary("javalang");
- initIDs();
- }
- }
-
- /**
* Create a <code>Double</code> from the primitive <code>double</code>
* specified.
*
@@ -180,6 +173,22 @@ public final class Double extends Number implements Comparable
}
/**
+ * Returns a <code>Double</code> object wrapping the value.
+ * In contrast to the <code>Double</code> constructor, this method
+ * may cache some values. It is used by boxing conversion.
+ *
+ * @param val the value to wrap
+ * @return the <code>Double</code>
+ *
+ * @since 1.5
+ */
+ public static Double valueOf(double val)
+ {
+ // We don't actually cache, but we could.
+ return new Double(val);
+ }
+
+ /**
* Create a new <code>Double</code> object using the <code>String</code>.
*
* @param s the <code>String</code> to convert
@@ -534,10 +543,4 @@ public final class Double extends Number implements Comparable
*/
// Package visible for use by Float.
static native String toString(double d, boolean isFloat);
-
- /**
- * Initialize JNI cache. This method is called only by the
- * static initializer when using JNI.
- */
- private static native void initIDs();
}