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Patch: FYI: add ulp tests

I'm checking this in.

This adds some new tests for Math.ulp.  I'll check in the
implementation of these methods shortly.


2006-03-06  Tom Tromey  <>

	* gnu/testlet/java/lang/Math/ New file.

Index: gnu/testlet/java/lang/Math/
RCS file: gnu/testlet/java/lang/Math/
diff -N gnu/testlet/java/lang/Math/
--- /dev/null	1 Jan 1970 00:00:00 -0000
+++ gnu/testlet/java/lang/Math/	1 Jan 1970 00:00:00 -0000
@@ -0,0 +1,44 @@
+/* -- Test the ulp method
+   Copyright (C) 2006 Red Hat, Inc.
+This file is part of Mauve.
+Mauve 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.
+Mauve is distributed in the hope that it will be useful, but
+WITHOUT ANY WARRANTY; without even the implied warranty of
+General Public License for more details.
+You should have received a copy of the GNU General Public License
+along with Mauve; see the file COPYING.  If not, write to the
+Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+02110-1301 USA.
+// Tags: JDK1.5
+import gnu.testlet.TestHarness;
+import gnu.testlet.Testlet;
+public class ulp implements Testlet {
+	public void test(TestHarness harness) {
+		harness.check(Math.ulp(0.0), Double.MIN_VALUE);
+		harness.check(Math.ulp(Double.NaN), Double.NaN);
+		harness.check(Math.ulp(Double.MAX_VALUE), Math.pow(2.0, 971));
+		harness.check(Math.ulp(Double.NEGATIVE_INFINITY), Double.POSITIVE_INFINITY);
+		harness.check(Math.ulp(Double.MIN_VALUE), Double.MIN_VALUE);
+		harness.check(Math.ulp(0.0f), Float.MIN_VALUE);
+		harness.check(Math.ulp(Float.NaN), Float.NaN);
+		harness.check(Math.ulp(Float.MAX_VALUE), Math.pow(2.0, 104));
+		harness.check(Math.ulp(Float.NEGATIVE_INFINITY), Float.POSITIVE_INFINITY);
+		harness.check(Math.ulp(Float.MIN_VALUE), Float.MIN_VALUE);
+	}

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