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/* -*- Mode: C++; c-file-style: "gnu"; indent-tabs-mode:nil; -*- */
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/*
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* Copyright (c) 2011 Centre Tecnologic de Telecomunicacions de Catalunya (CTTC)
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation;
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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* Author: Manuel Requena <manuel.requena@cttc.es>
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* Author: Marco Miozzo <marco.miozzo@cttc.es>
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*/
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#include "lte-common.h"
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#include <ns3/log.h>
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NS_LOG_COMPONENT_DEFINE ("LteFfConverter");
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namespace ns3 {
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lteFlowId_t::lteFlowId_t ()
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{
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}
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lteFlowId_t::lteFlowId_t (const uint16_t a, const uint8_t b)
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: m_rnti(a),
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m_lcId(b)
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{
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}
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bool
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operator == (const lteFlowId_t &a, const lteFlowId_t &b)
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{
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return ( (a.m_rnti == b.m_rnti) && (a.m_lcId == b.m_lcId) );
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}
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bool
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operator < (const lteFlowId_t& a, const lteFlowId_t& b)
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{
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return ( (a.m_rnti < b.m_rnti) || ( (a.m_rnti == b.m_rnti) && (a.m_lcId < b.m_lcId) ) );
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}
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uint16_t
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LteFfConverter::double2fpS11dot3(double val)
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{
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// convert from double to fixed point notation Sxxxxxxxxxxx.xxx
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int16_t valFp = (int16_t)(val * pow (2, 3));
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return (valFp);
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}
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double
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LteFfConverter::fpS11dot3toDouble(uint16_t val)
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{
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// convert from fixed point notation Sxxxxxxxxxxx.xxx to double
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double valD = ((int16_t)val) / pow (2, 3);
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return (valD);
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}
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double
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LteFfConverter::getMinFpS11dot3Value ()
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{
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return (-4096); // -4096 = 0x8000 = 1000 0000 0000 0000 b
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}
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//static double g_lowestFpS11dot3Value = -4096; // 0x8001 (1000 0000 0000 0000)
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}; // namespace ns3
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