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diff --git a/src/libnoiseforjava/module/Power.java b/src/libnoiseforjava/module/Power.java
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+/*
+ * Copyright (C) 2003, 2004 Jason Bevins (original libnoise code)
+ * Copyright  2010 Thomas J. Hodge (java port of libnoise)
+ * 
+ * This file is part of libnoiseforjava.
+ * 
+ * libnoiseforjava is a Java port of the C++ library libnoise, which may be found at 
+ * http://libnoise.sourceforge.net/.  libnoise was developed by Jason Bevins, who may be 
+ * contacted at [email protected] (for great email, take off every 'zig').
+ * Porting to Java was done by Thomas Hodge, who may be contacted at
+ * [email protected] (remove every 'zag').
+ * 
+ * libnoiseforjava 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 3 of the License, or (at your option) any later version.
+ * 
+ * libnoiseforjava is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public License along with
+ * libnoiseforjava.  If not, see <http://www.gnu.org/licenses/>.
+ * 
+ */
+
+package libnoiseforjava.module;
+
+import libnoiseforjava.exception.ExceptionInvalidParam;
+
+public class Power extends ModuleBase
+{
+   /// Noise module that raises the output value from a first source module
+   /// to the power of the output value from a second source module.
+   ///
+   /// The first source module must have an index value of 0.
+   ///
+   /// The second source module must have an index value of 1.
+   ///
+   /// This noise module requires two source modules.
+
+   public Power (ModuleBase sourceModuleOne, ModuleBase sourceModuleTwo) throws ExceptionInvalidParam
+   {
+      super(2);
+      setSourceModule(0, sourceModuleOne);
+      setSourceModule(1, sourceModuleTwo);
+   }
+
+   public double getValue (double x, double y, double z)
+   {
+      assert (sourceModules[0] != null);
+      assert (sourceModules[1] != null);
+
+      return Math.pow (sourceModules[0].getValue (x, y, z),
+            sourceModules[1].getValue (x, y, z));
+   }
+}