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+/*****************************************************************************
+ *                                McPAT/CACTI
+ *                      SOFTWARE LICENSE AGREEMENT
+ *            Copyright 2012 Hewlett-Packard Development Company, L.P.
+ *                          All Rights Reserved
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met: redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer;
+ * redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution;
+ * neither the name of the copyright holders nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.”
+ *
+ ***************************************************************************/
+
+#ifndef __ARBITER__
+#define __ARBITER__
+
+#include <assert.h>
+#include <iostream>
+#include "basic_circuit.h"
+#include "cacti_interface.h"
+#include "component.h"
+#include "parameter.h"
+#include "mat.h"
+#include "wire.h"
+
+class MCPAT_Arbiter : public Component
+{
+  public:
+    MCPAT_Arbiter(
+      double Req,
+      double flit_sz,
+      double output_len,
+      TechnologyParameter::DeviceType *dt = &(g_tp.peri_global));
+    ~MCPAT_Arbiter();
+
+    void print_arbiter();
+    double arb_req();
+    double arb_pri();
+    double arb_grant();
+    double arb_int();
+    void compute_power();
+    double Cw3(double len);
+    double crossbar_ctrline();
+    double transmission_buf_ctrcap();
+
+
+
+  private:
+    double NTn1, PTn1, NTn2, PTn2, R, PTi, NTi;
+    double flit_size;
+    double NTtr, PTtr;
+    double o_len;
+    TechnologyParameter::DeviceType *deviceType;
+    double TriS1, TriS2;
+    double min_w_pmos, Vdd;
+
+};
+
+#endif