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+/*---------------------------------------------------------------
+ * Copyright (c) 2017
+ * Broadcom Corporation
+ * All Rights Reserved.
+ *---------------------------------------------------------------
+ * Permission is hereby granted, free of charge, to any person
+ * obtaining a copy of this software and associated
+ * documentation files (the "Software"), to deal in the Software
+ * without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute,
+ * sublicense, and/or sell copies of the Software, and to permit
+ * persons to whom the Software is furnished to do
+ * so, subject to the following conditions:
+ *
+ *
+ * Redistributions of source code must retain the above
+ * copyright notice, this list of conditions and
+ * the following disclaimers.
+ *
+ *
+ * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimers in the documentation and/or other materials
+ * provided with the distribution.
+ *
+ *
+ * Neither the name of Broadcom Coporation,
+ * nor the names of its contributors may be used to endorse
+ * or promote products derived from this Software without
+ * specific prior written permission.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
+ * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE CONTIBUTORS OR COPYRIGHT
+ * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+ * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ * ________________________________________________________________
+ *
+ * Produce probability distribution functions, expected to be used
+ * for iperf client traffic emulations
+ *
+ * by Robert J. McMahon (rjmcmahon@rjmcmahon.com, bob.mcmahon@broadcom.com)
+ * ------------------------------------------------------------------- */
+
+#ifndef PDFS_H
+#define PDFS_H
+#ifdef __cplusplus
+extern "C" {
+#endif
+float normal(float mean, float variance);
+float lognormal(float mu, float sigma);
+float box_muller(void);
+#ifdef __cplusplus
+} /* end extern "C" */
+#endif
+
+#endif /* PDFS_H */