CompareNaN.java: New test.

* libjava.lang/CompareNaN.java: New test.
* libjava.lang/CompareNaN.out: New test.

From-SVN: r63003

libjava/testsuite/ChangeLog

+2003-02-16  Jeff Sturm  <jsturm@one-point.com>
+
+	* libjava.lang/CompareNaN.java: New test.
+	* libjava.lang/CompareNaN.out: New test.
+
 2003-02-16  Mark Wielaard  <mark@klomp.org>
 
 	* libjava.mauve/xfails: Add Class.reflect2 and String.getBytes FAILs.

libjava/testsuite/libjava.lang/CompareNaN.java

+/*
+ * JLS 4.2.3 specifies that (x op y) must be false if either x or y
+ * is NaN and op is one of <, >, <=, >=, or ==.
+ *
+ * Some targets may need specific options wired into libgcj.spec
+ * to pass this test.  For example, alpha-linux requires -mieee
+ * to prevent an unrecoverable fp trap.
+ */
+
+public class CompareNaN {
+  public static void main(String[] args) {
+    double x = Double.NaN;
+    System.out.println(x == x);
+  }
+}

libjava/testsuite/libjava.lang/CompareNaN.out

+false