00001 /* 00002 00003 Copyright (c) 2005-2015, University of Oxford. 00004 All rights reserved. 00005 00006 University of Oxford means the Chancellor, Masters and Scholars of the 00007 University of Oxford, having an administrative office at Wellington 00008 Square, Oxford OX1 2JD, UK. 00009 00010 This file is part of Chaste. 00011 00012 Redistribution and use in source and binary forms, with or without 00013 modification, are permitted provided that the following conditions are met: 00014 * Redistributions of source code must retain the above copyright notice, 00015 this list of conditions and the following disclaimer. 00016 * Redistributions in binary form must reproduce the above copyright notice, 00017 this list of conditions and the following disclaimer in the documentation 00018 and/or other materials provided with the distribution. 00019 * Neither the name of the University of Oxford nor the names of its 00020 contributors may be used to endorse or promote products derived from this 00021 software without specific prior written permission. 00022 00023 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 00024 AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 00025 IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 00026 ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE 00027 LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 00028 CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE 00029 GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 00030 HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 00031 LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT 00032 OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 00033 00034 */ 00035 00036 #ifndef TIMESTEPPER_HPP_ 00037 #define TIMESTEPPER_HPP_ 00038 00039 #include <vector> 00040 #include <climits> 00041 #include <boost/serialization/vector.hpp> 00042 00043 #include "ChasteSerialization.hpp" 00044 #include "Exception.hpp" 00045 00052 class TimeStepper 00053 { 00054 friend class TestTimeStepper; 00055 private: 00056 /* 00057 * Private default constructor for archiving 00058 */ 00059 TimeStepper(){}; 00060 00061 public: 00062 00078 TimeStepper(double startTime, double endTime, double dt, bool enforceConstantTimeStep=false, std::vector<double> additionalTimes=std::vector<double> ()); 00079 00086 void AdvanceOneTimeStep(); 00087 00091 double GetTime() const; 00092 00096 double GetNextTime() const; 00097 00113 double GetNextTimeStep(); 00114 00120 double GetIdealTimeStep(); 00121 00125 bool IsTimeAtEnd() const; 00126 00131 unsigned EstimateTimeSteps() const; 00132 00137 unsigned GetTotalTimeStepsTaken() const; 00138 00146 void ResetTimeStep(double dt); 00147 00148 private: 00149 00151 double mStart; 00152 00154 double mEnd; 00155 00157 double mDt; 00158 00160 unsigned mTotalTimeStepsTaken; 00161 00163 unsigned mAdditionalTimesReachedDeprecated; 00164 00166 double mTime; 00167 00169 double mNextTime; 00170 00176 double mEpsilon; 00177 00179 double CalculateNextTime(); 00180 00182 std::vector<double> mAdditionalTimesDeprecated; 00183 00185 friend class boost::serialization::access; 00186 00192 template<class Archive> 00193 void serialize(Archive & archive, const unsigned int version) 00194 { 00195 archive & mStart; 00196 archive & mEnd; 00197 archive & mDt; 00198 archive & mTotalTimeStepsTaken; 00199 archive & mTime; 00200 archive & mNextTime; 00201 archive & mEpsilon; 00202 archive & mAdditionalTimesReachedDeprecated; 00203 archive & mAdditionalTimesDeprecated; 00204 } 00205 00206 }; 00207 00208 #include "SerializationExportWrapper.hpp" 00209 // Declare identifier for the serializer 00210 CHASTE_CLASS_EXPORT(TimeStepper) 00211 00212 #endif /*TIMESTEPPER_HPP_*/