| 1/* Copyright (c) 2012 Massachusetts Institute of Technology 2 * 3 * Permission is hereby granted, free of charge, to any person obtaining a copy 4 * of this software and associated documentation files (the "Software"), to deal 5 * in the Software without restriction, including without limitation the rights 6 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 7 * copies of the Software, and to permit persons to whom the Software is 8 * furnished to do so, subject to the following conditions: 9 * 10 * The above copyright notice and this permission notice shall be included in 11 * all copies or substantial portions of the Software. 12 * 13 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 14 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 15 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 16 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 17 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 18 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN 19 * THE SOFTWARE. 20 */
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2#include "model/timing_graph/ElectricalDriverMultiplier.h" 3#include "model/timing_graph/ElectricalLoad.h" 4 5namespace DSENT 6{ 7 //------------------------------------------------------------------------- 8 // Electrical Net 9 //------------------------------------------------------------------------- 10 11 ElectricalDriverMultiplier::ElectricalDriverMultiplier(const String& instance_name_, ElectricalModel* model_) 12 : ElectricalTimingNode(instance_name_, model_) 13 { 14 15 } 16 17 ElectricalDriverMultiplier::~ElectricalDriverMultiplier() 18 { 19 20 } 21 22 double ElectricalDriverMultiplier::calculateDriveRes( double input_drive_res_) const 23 { 24 return input_drive_res_; 25 } 26 27 double ElectricalDriverMultiplier::calculateDelay() const 28 { 29 // This is just a model helper element, it does not contribute delay 30 return 0; 31 } 32 33 double ElectricalDriverMultiplier::calculateTransition() const 34 { 35 return getMaxUpstreamRes() * getTotalDownstreamCap(); 36 } 37 38 double ElectricalDriverMultiplier::getTotalDownstreamCap() const 39 { 40 // Finds the max of the load caps (as opposed to summing) 41 double max_cap = 0; 42 vector<ElectricalTimingNode*>* downstream_nodes = ElectricalTimingNode::getDownstreamNodes(); 43 for (unsigned int i = 0; i < downstream_nodes->size(); ++i) 44 { 45 max_cap = std::max(max_cap, downstream_nodes->at(i)->getTotalDownstreamCap()); 46 } 47 48 return max_cap; 49 } 50 51} // namespace DSENT 52 53
| 23#include "model/timing_graph/ElectricalDriverMultiplier.h" 24#include "model/timing_graph/ElectricalLoad.h" 25 26namespace DSENT 27{ 28 //------------------------------------------------------------------------- 29 // Electrical Net 30 //------------------------------------------------------------------------- 31 32 ElectricalDriverMultiplier::ElectricalDriverMultiplier(const String& instance_name_, ElectricalModel* model_) 33 : ElectricalTimingNode(instance_name_, model_) 34 { 35 36 } 37 38 ElectricalDriverMultiplier::~ElectricalDriverMultiplier() 39 { 40 41 } 42 43 double ElectricalDriverMultiplier::calculateDriveRes( double input_drive_res_) const 44 { 45 return input_drive_res_; 46 } 47 48 double ElectricalDriverMultiplier::calculateDelay() const 49 { 50 // This is just a model helper element, it does not contribute delay 51 return 0; 52 } 53 54 double ElectricalDriverMultiplier::calculateTransition() const 55 { 56 return getMaxUpstreamRes() * getTotalDownstreamCap(); 57 } 58 59 double ElectricalDriverMultiplier::getTotalDownstreamCap() const 60 { 61 // Finds the max of the load caps (as opposed to summing) 62 double max_cap = 0; 63 vector<ElectricalTimingNode*>* downstream_nodes = ElectricalTimingNode::getDownstreamNodes(); 64 for (unsigned int i = 0; i < downstream_nodes->size(); ++i) 65 { 66 max_cap = std::max(max_cap, downstream_nodes->at(i)->getTotalDownstreamCap()); 67 } 68 69 return max_cap; 70 } 71 72} // namespace DSENT 73 74
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