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diff --git a/src/noise-inl.h b/src/noise-inl.h
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+/* noise-inl.h -- noisy data
+ * Copyright (C) 2013  Galois, Inc.
+ *
+ * This library 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.
+ *
+ * This library 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
+ * this library.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ * To contact Galois, complete the Web form at <http://corp.galois.com/contact/>
+ * or write to Galois, Inc., 421 Southwest 6th Avenue, Suite 300, Portland,
+ * Oregon, 97204-1622. */
+
+#ifndef PPAML_VREP_AUTOMOBILE_PLUGIN_NOISE_INL_H
+#define PPAML_VREP_AUTOMOBILE_PLUGIN_NOISE_INL_H
+
+#ifdef HAVE_CONFIG_H
+#   include <config.h>
+#endif
+
+template<typename RealType>
+GaussianNoiseSource<RealType>::GaussianNoiseSource(RealType mean,
+                                                   RealType stddev)
+	: generator(), distribution(mean, stddev) {
+    generator.seed(std::random_device()());
+}
+
+template<typename RealType>
+RealType GaussianNoiseSource<RealType>::get() {
+    return distribution(generator);
+}
+
+GaussianNoiseSource<float> gaussian(const std::vector<float> params) {
+    if (params.size() != 2) {
+        throw std::invalid_argument(std::string()
+            + "expected two-element vector of distribution parameters "
+            + "(got " + std::to_string(params.size()) + "-element "
+            + "vector instead");
+    } else {
+        return GaussianNoiseSource<float>(params[0], params[1]);
+    }
+}
+
+#endif