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/* Copyright (c) 2020, Dyssol Development Team. All rights reserved. This file is part of Dyssol. See LICENSE file for license information. */
#include "DependentValues.h"
#include "ContainerFunctions.h"
#include "DyssolUtilities.h"
#include "StringFunctions.h"
#include <ostream>
#include <sstream>
#include <numeric>
CDependentValues::CDependentValues(const std::vector<double>& _params, const std::vector<double>& _values)
{
SetValues(_params, _values);
}
bool CDependentValues::IsEmpty() const
{
return m_values.empty();
}
size_t CDependentValues::Size() const
{
return m_values.size();
}
double CDependentValues::GetValue(double _param) const
{
if (m_values.empty()) return 0; // return zero, if there are no data at all
if (m_values.size() == 1) return m_values.front(); // return const value, if there is only a single value defined
return ::Interpolate(m_params, m_values, _param); // return interpolation otherwise
}
void CDependentValues::SetValue(double _param, double _value)
{
const auto pos = std::lower_bound(m_params.begin(), m_params.end(), _param);
if (pos == m_params.end()) // all existing parameters are smaller
{
m_values.emplace_back(_value);
m_params.emplace_back(_param);
}
else if (std::abs(*pos - _param) <= m_eps) // this parameter already exists
{
m_values[std::distance(m_params.begin(), pos)] = _value;
*pos = _param;
}
else // insert to the right position
{
m_values.insert(m_values.begin() + std::distance(m_params.begin(), pos), _value);
m_params.insert(pos, _param);
}
}
void CDependentValues::SetValues(const std::vector<double>& _params, const std::vector<double>& _values)
{
if (m_params.size() != m_values.size()) return;
if (IsEmpty())
{
m_params = _params;
m_values = _values;
}
else
for (size_t i = 0; i < _params.size(); ++i)
SetValue(_params[i], _values[i]);
}
void CDependentValues::RemoveValue(double _param)
{
const auto pos = std::lower_bound(m_params.begin(), m_params.end(), _param);
if (pos != m_params.end() && std::abs(*pos - _param) <= m_eps)
{
m_values.erase(m_values.begin() + std::distance(m_params.begin(), pos));
m_params.erase(pos);
}
}
double CDependentValues::GetParamAt(size_t _index) const
{
if (_index >= m_params.size()) return {};
return m_params[_index];
}
double CDependentValues::GetValueAt(size_t _index) const
{
if (_index >= m_values.size()) return {};
return m_values[_index];
}
std::pair<double, double> CDependentValues::GetPairAt(size_t _index) const
{
if (_index >= m_values.size()) return {};
return { m_params[_index], m_values[_index] };
}
void CDependentValues::RemovePairAt(size_t _index)
{
if (_index >= m_values.size()) return;
m_params.erase(m_params.begin() + _index);
m_values.erase(m_values.begin() + _index);
}
std::vector<double> CDependentValues::GetParamsList() const
{
return m_params;
}
std::vector<double> CDependentValues::GetValuesList() const
{
return m_values;
}
void CDependentValues::SetParamsList(const std::vector<double>& _params)
{
if (_params.size() == m_params.size())
m_params = VectorSort(_params);
}
void CDependentValues::SetValuesList(const std::vector<double>& _values)
{
if (_values.size() == m_values.size())
m_values = _values;
}
bool CDependentValues::HasParam(double _param) const
{
return VectorContainsSorted(m_params, _param);
}
bool CDependentValues::IsConst() const
{
if (m_values.empty()) return true;
return std::adjacent_find(m_values.begin(), m_values.end(), std::not_equal_to<>()) == m_values.end();
}
void CDependentValues::Clear()
{
m_params.clear();
m_values.clear();
}
bool CDependentValues::operator==(const CDependentValues& _v) const
{
return m_params == _v.m_params && m_values == _v.m_values;
}
std::ostream& operator<<(std::ostream& _s, const CDependentValues& _obj)
{
for (size_t i = 0; i < _obj.Size(); ++i)
_s << " " << _obj.GetParamAt(i) << " " << _obj.GetValueAt(i);
return _s;
}
std::istream& operator>>(std::istream& _s, CDependentValues& _obj)
{
_obj.Clear();
const auto timeOrValue = StringFunctions::GetValueFromStream<double>(_s);
if (_s.eof()) // special treatment for single constant value
_obj.SetValue(0.0, timeOrValue);
else // usual dependent values
{
_obj.SetValue(timeOrValue, StringFunctions::GetValueFromStream<double>(_s));
while (!_s.eof())
{
// NB: order is important, do not put both calls directly into insert function
const auto param = StringFunctions::GetValueFromStream<double>(_s);
const auto value = StringFunctions::GetValueFromStream<double>(_s);
_obj.SetValue(param, value);
}
}
return _s;
}
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