From 4f9533c7722fa07511a94d005227961f4a4dec23 Mon Sep 17 00:00:00 2001
From: Mark Wielaard <mark@gcc.gnu.org>
Date: Thu, 18 May 2006 17:29:21 +0000
Subject: Imported GNU Classpath 0.90

       Imported GNU Classpath 0.90
       * scripts/makemake.tcl: LocaleData.java moved to gnu/java/locale.

       * sources.am: Regenerated.
       * gcj/javaprims.h: Regenerated.
       * Makefile.in: Regenerated.
       * gcj/Makefile.in: Regenerated.
       * include/Makefile.in: Regenerated.
       * testsuite/Makefile.in: Regenerated.

       * gnu/java/lang/VMInstrumentationImpl.java: New override.
       * gnu/java/net/local/LocalSocketImpl.java: Likewise.
       * gnu/classpath/jdwp/VMMethod.java: Likewise.
       * gnu/classpath/jdwp/VMVirtualMachine.java: Update to latest
       interface.
       * java/lang/Thread.java: Add UncaughtExceptionHandler.
       * java/lang/reflect/Method.java: Implements GenericDeclaration and
       isSynthetic(),
       * java/lang/reflect/Field.java: Likewise.
       * java/lang/reflect/Constructor.java
       * java/lang/Class.java: Implements Type, GenericDeclaration,
       getSimpleName() and getEnclosing*() methods.
       * java/lang/Class.h: Add new public methods.
       * java/lang/Math.java: Add signum(), ulp() and log10().
       * java/lang/natMath.cc (log10): New function.
       * java/security/VMSecureRandom.java: New override.
       * java/util/logging/Logger.java: Updated to latest classpath
       version.
       * java/util/logging/LogManager.java: New override.

From-SVN: r113887
---
 libjava/classpath/java/lang/StrictMath.java | 80 +++++++++++++++++++++++++++++
 1 file changed, 80 insertions(+)

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

diff --git a/libjava/classpath/java/lang/StrictMath.java b/libjava/classpath/java/lang/StrictMath.java
index 2079cc1..548a6f1 100644
--- a/libjava/classpath/java/lang/StrictMath.java
+++ b/libjava/classpath/java/lang/StrictMath.java
@@ -1841,4 +1841,84 @@ public final strictfp class StrictMath
     double t = (float) a;
     return t + a * (1 + t * z + t * v);
   }
+
+  /**
+   * <p>
+   * Returns the sign of the argument as follows:
+   * </p>
+   * <ul>
+   * <li>If <code>a</code> is greater than zero, the result is 1.0.</li>
+   * <li>If <code>a</code> is less than zero, the result is -1.0.</li>
+   * <li>If <code>a</code> is <code>NaN</code>, the result is <code>NaN</code>.
+   * <li>If <code>a</code> is positive or negative zero, the result is the
+   * same.</li>
+   * </ul>
+   * 
+   * @param a the numeric argument.
+   * @return the sign of the argument.
+   * @since 1.5.
+   */
+  public static double signum(double a)
+  {
+    // There's no difference.
+    return Math.signum(a);
+  }
+
+  /**
+   * <p>
+   * Returns the sign of the argument as follows:
+   * </p>
+   * <ul>
+   * <li>If <code>a</code> is greater than zero, the result is 1.0f.</li>
+   * <li>If <code>a</code> is less than zero, the result is -1.0f.</li>
+   * <li>If <code>a</code> is <code>NaN</code>, the result is <code>NaN</code>.
+   * <li>If <code>a</code> is positive or negative zero, the result is the
+   * same.</li>
+   * </ul>
+   * 
+   * @param a the numeric argument.
+   * @return the sign of the argument.
+   * @since 1.5.
+   */
+  public static float signum(float a)
+  {
+    // There's no difference.
+    return Math.signum(a);
+  }
+
+  /**
+   * Return the ulp for the given double argument.  The ulp is the
+   * difference between the argument and the next larger double.  Note
+   * that the sign of the double argument is ignored, that is,
+   * ulp(x) == ulp(-x).  If the argument is a NaN, then NaN is returned.
+   * If the argument is an infinity, then +Inf is returned.  If the
+   * argument is zero (either positive or negative), then
+   * {@link Double#MIN_VALUE} is returned.
+   * @param d the double whose ulp should be returned
+   * @return the difference between the argument and the next larger double
+   * @since 1.5
+   */
+  public static double ulp(double d)
+  {
+    // There's no difference.
+    return Math.ulp(d);
+  }
+
+  /**
+   * Return the ulp for the given float argument.  The ulp is the
+   * difference between the argument and the next larger float.  Note
+   * that the sign of the float argument is ignored, that is,
+   * ulp(x) == ulp(-x).  If the argument is a NaN, then NaN is returned.
+   * If the argument is an infinity, then +Inf is returned.  If the
+   * argument is zero (either positive or negative), then
+   * {@link Float#MIN_VALUE} is returned.
+   * @param f the float whose ulp should be returned
+   * @return the difference between the argument and the next larger float
+   * @since 1.5
+   */
+  public static float ulp(float f)
+  {
+    // There's no difference.
+    return Math.ulp(f);
+  }
 }
-- 
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