c1aecc05e6
This patch extensively modifies DSENT so that it can be accessed using Python. To access the Python interface, DSENT needs to compiled as a shared library. For this purpose a CMakeLists.txt file has been added. Some of the code that is not required is being removed.
91 lines
4.3 KiB
C++
91 lines
4.3 KiB
C++
/* Copyright (c) 2012 Massachusetts Institute of Technology
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#include "model/TransitionInfo.h"
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namespace DSENT
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{
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TransitionInfo::TransitionInfo()
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: m_number_transitions_00_(0.25), m_number_transitions_01_(0.25),
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m_number_transitions_11_(0.25), m_frequency_multiplier_(1.0)
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{
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update();
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}
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TransitionInfo::TransitionInfo(double number_transitions_00_, double number_transitions_01_,
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double number_transitions_11_)
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: m_number_transitions_00_(number_transitions_00_), m_number_transitions_01_(number_transitions_01_),
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m_number_transitions_11_(number_transitions_11_)
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{
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m_frequency_multiplier_ = m_number_transitions_00_ + 2.0 * m_number_transitions_01_ + m_number_transitions_11_;
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update();
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}
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TransitionInfo::~TransitionInfo()
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{}
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void TransitionInfo::update()
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{
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ASSERT(m_number_transitions_00_ >= 0.0, "[Error] Number of 0->0 transitions (" +
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(String)m_number_transitions_00_ + ") must be >= 0.0!");
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ASSERT(m_number_transitions_01_ >= 0.0, "[Error] Number of 0->1 transitions (" +
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(String)m_number_transitions_01_ + ") must be >= 0.0!");
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ASSERT(m_number_transitions_11_ >= 0.0, "[Error] Number of 1->1 transitions (" + (String)m_number_transitions_11_ + ") must be >= 0.0!");
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m_probability_1_ = (m_number_transitions_01_ + m_number_transitions_11_) / m_frequency_multiplier_;
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m_probability_0_ = 1.0 - m_probability_1_;
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return;
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}
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TransitionInfo TransitionInfo::scaleFrequencyMultiplier(double frequency_multiplier_) const
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{
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// A short cut if frequency_multiplier_ == m_frequency_multiplier_ to avoid excess calculations
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if(frequency_multiplier_ == m_frequency_multiplier_)
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{
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return TransitionInfo(m_number_transitions_00_, m_number_transitions_01_, m_number_transitions_11_);
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}
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else if (frequency_multiplier_ > m_frequency_multiplier_)
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{
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double freq_ratio = frequency_multiplier_ / m_frequency_multiplier_;
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double diff_num_trans_01 = m_number_transitions_01_ * (freq_ratio - 1.0);
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double norm_num_trans_00 = m_number_transitions_00_ * freq_ratio + diff_num_trans_01;
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double norm_num_trans_01 = m_number_transitions_01_;
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double norm_num_trans_11 = m_number_transitions_11_ * freq_ratio + diff_num_trans_01;
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return TransitionInfo(norm_num_trans_00, norm_num_trans_01, norm_num_trans_11);
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}
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else
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{
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ASSERT(false, "[Error] Cannot scale to frequency multiplier (" + (String) frequency_multiplier_ +
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") since current frequency multiplier (" + (String) m_frequency_multiplier_ + ") is bigger!");
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}
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}
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void TransitionInfo::print(std::ostream& ost_) const
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{
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ost_ << "[" << m_number_transitions_00_ << ", " << m_number_transitions_01_ << ", " << m_number_transitions_11_ << "]";
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ost_ << " [" << m_number_transitions_00_ / m_frequency_multiplier_;
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ost_ << ", " << m_number_transitions_01_*2.0 / m_frequency_multiplier_;
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ost_ << ", " << m_number_transitions_11_ / m_frequency_multiplier_ << "]" << endl;
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return;
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}
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} // namespace DSENT
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