Added indexOf() for float arrays.

git-svn-id: https://samskivert.googlecode.com/svn/trunk@962 6335cc39-0255-0410-8fd6-9bcaacd3b74c

projects/samskivert/src/java/com/samskivert/util/ArrayUtil.java

@@ -1,5 +1,5 @@
 //
-// $Id: ArrayUtil.java,v 1.20 2002/12/03 23:55:52 shaper Exp $
+// $Id: ArrayUtil.java,v 1.21 2002/12/05 22:11:03 shaper Exp $
 //
 // samskivert library - useful routines for java programs
 // Copyright (C) 2001 Walter Korman
@@ -127,6 +127,25 @@ public class ArrayUtil
         return maxes;
     }
 
+    /**
+     * Looks for an element that is equal to the supplied value and
+     * returns its index in the array.
+     *
+     * @return the index of the first matching value if one was found, -1
+     * otherwise.
+     */
+    public static int indexOf (float[] values, float value)
+    {
+        int idx = -1;
+        int count = (values == null) ? 0 : values.length;
+        for (int ii = 0; ii < count; ii++) {
+            if (values[ii] == value) {
+                return ii;
+            }
+        }
+        return idx;
+    }
+
     /**
      * Reverses the elements in the given array.
      *