/* Distributed under the Apache License, Version 2.0.
   See accompanying NOTICE file for details.*/

#include "stdafx.h"
#include "system/physiology/SEBloodChemistrySystem.h"
#include "properties/SEScalarAmountPerVolume.h"
#include "properties/SEScalar0To1.h"
#include "properties/SEScalarMass.h"
#include "properties/SEScalarMassPerVolume.h"
#include "properties/SEScalarVolume.h"
#include "properties/SEScalarPressure.h"
#include "properties/SEScalarHeatCapacitancePerMass.h"

SEBloodChemistrySystem::SEBloodChemistrySystem(Logger* logger) : SESystem(logger)
{
  m_BloodDensity = nullptr;
  
  m_BloodPH = nullptr;
  m_BloodSpecificHeat = nullptr;
  m_BloodUreaNitrogenConcentration = nullptr;
  m_CarbonDioxideSaturation = nullptr;
  m_CarbonMonoxideSaturation = nullptr;
  m_Hematocrit = nullptr;
  m_HemoglobinContent = nullptr;
  m_OxygenSaturation = nullptr;
  m_Phosphate = nullptr;
  m_PlasmaVolume = nullptr;
  m_PulseOximetry = nullptr;
  m_RedBloodCellCount = nullptr;
  m_ShuntFraction = nullptr;
  m_StrongIonDifference = nullptr;
  m_TotalProteinConcentration = nullptr;
  m_VolumeFractionNeutralPhospholipidInPlasma = nullptr;
  m_VolumeFractionNeutralLipidInPlasma = nullptr;
  m_WhiteBloodCellCount = nullptr;

  m_ArterialCarbonDioxidePressure = nullptr;
  m_ArterialOxygenPressure = nullptr;
  m_PulmonaryArterialCarbonDioxidePressure = nullptr;
  m_PulmonaryArterialOxygenPressure = nullptr;
  m_PulmonaryVenousCarbonDioxidePressure = nullptr;
  m_PulmonaryVenousOxygenPressure = nullptr;
  m_VenousCarbonDioxidePressure = nullptr;
  m_VenousOxygenPressure = nullptr;
}

SEBloodChemistrySystem::~SEBloodChemistrySystem()
{
  Clear();
}

void SEBloodChemistrySystem::Clear()
{
  SESystem::Clear();

  SAFE_DELETE(m_BloodDensity);
  SAFE_DELETE(m_BloodPH);
  SAFE_DELETE(m_BloodSpecificHeat);
  SAFE_DELETE(m_BloodUreaNitrogenConcentration);
  SAFE_DELETE(m_CarbonDioxideSaturation);
  SAFE_DELETE(m_CarbonMonoxideSaturation);
  SAFE_DELETE(m_Hematocrit);
  SAFE_DELETE(m_HemoglobinContent);
  SAFE_DELETE(m_OxygenSaturation);
  SAFE_DELETE(m_Phosphate);
  SAFE_DELETE(m_PlasmaVolume);
  SAFE_DELETE(m_PulseOximetry);
  SAFE_DELETE(m_RedBloodCellCount);
  SAFE_DELETE(m_ShuntFraction);
  SAFE_DELETE(m_StrongIonDifference);
  SAFE_DELETE(m_TotalProteinConcentration);
  SAFE_DELETE(m_VolumeFractionNeutralPhospholipidInPlasma);
  SAFE_DELETE(m_VolumeFractionNeutralLipidInPlasma);
  SAFE_DELETE(m_WhiteBloodCellCount);

  SAFE_DELETE(m_PulmonaryVenousOxygenPressure);
  SAFE_DELETE(m_PulmonaryArterialOxygenPressure);
  SAFE_DELETE(m_PulmonaryVenousCarbonDioxidePressure);
  SAFE_DELETE(m_PulmonaryArterialCarbonDioxidePressure);
  SAFE_DELETE(m_ArterialOxygenPressure);
  SAFE_DELETE(m_VenousOxygenPressure);
  SAFE_DELETE(m_ArterialCarbonDioxidePressure);
  SAFE_DELETE(m_VenousCarbonDioxidePressure);
}

const SEScalar* SEBloodChemistrySystem::GetScalar(const std::string& name)
{
  if (name.compare("BloodDensity") == 0)
    return &GetBloodDensity();
  if (name.compare("BloodPH") == 0)
    return &GetBloodPH();
  if (name.compare("BloodSpecificHeat") == 0)
    return &GetBloodSpecificHeat();
  if (name.compare("BloodUreaNitrogenConcentration") == 0)
    return &GetBloodUreaNitrogenConcentration();
  if (name.compare("CarbonDioxideSaturation") == 0)
    return &GetCarbonDioxideSaturation();
  if (name.compare("CarbonMonoxideSaturation") == 0)
    return &GetCarbonMonoxideSaturation();
  if (name.compare("Hematocrit") == 0)
    return &GetHematocrit();
  if (name.compare("HemoglobinContent") == 0)
    return &GetHemoglobinContent();
  if (name.compare("OxygenSaturation") == 0)
    return &GetOxygenSaturation();
  if (name.compare("Phosphate") == 0)
    return &GetPhosphate();
  if (name.compare("PlasmaVolume") == 0)
    return &GetPlasmaVolume();
  if (name.compare("PulseOximetry") == 0)
    return &GetPulseOximetry();
  if (name.compare("RedBloodCellCount") == 0)
    return &GetRedBloodCellCount();
  if (name.compare("ShuntFraction") == 0)
    return &GetShuntFraction();  
  if (name.compare("StrongIonDifference") == 0)
    return &GetStrongIonDifference();
  if (name.compare("TotalProteinConcentration") == 0)
    return &GetTotalProteinConcentration();
  if (name.compare("VolumeFractionNeutralPhospholipidInPlasma") == 0)
    return &GetVolumeFractionNeutralPhospholipidInPlasma();
  if (name.compare("VolumeFractionNeutralLipidInPlasma") == 0)
    return &GetVolumeFractionNeutralLipidInPlasma();
  if (name.compare("WhiteBloodCellCount") == 0)
    return &GetWhiteBloodCellCount();  
  if (name.compare("ArterialCarbonDioxidePressure") == 0)
    return &GetArterialCarbonDioxidePressure();
  if (name.compare("ArterialOxygenPressure") == 0)
    return &GetArterialOxygenPressure();
  if (name.compare("PulmonaryArterialCarbonDioxidePressure") == 0)
    return &GetPulmonaryArterialCarbonDioxidePressure();
  if (name.compare("PulmonaryArterialOxygenPressure") == 0)
    return &GetPulmonaryArterialOxygenPressure();
  if (name.compare("PulmonaryVenousCarbonDioxidePressure") == 0)
    return &GetPulmonaryVenousCarbonDioxidePressure();
  if (name.compare("PulmonaryVenousOxygenPressure") == 0)
    return &GetPulmonaryVenousOxygenPressure();
  if (name.compare("VenousCarbonDioxidePressure") == 0)
    return &GetVenousCarbonDioxidePressure();
  if (name.compare("VenousOxygenPressure") == 0)
    return &GetVenousOxygenPressure();

  return nullptr;
}

bool SEBloodChemistrySystem::HasBloodDensity() const
{
  return m_BloodDensity == nullptr ? false : m_BloodDensity->IsValid();
}
SEScalarMassPerVolume& SEBloodChemistrySystem::GetBloodDensity()
{
  if (m_BloodDensity == nullptr)
    m_BloodDensity = new SEScalarMassPerVolume();
  return *m_BloodDensity;
}
double SEBloodChemistrySystem::GetBloodDensity(const MassPerVolumeUnit& unit) const
{
  if (m_BloodDensity == nullptr)
    return SEScalar::dNaN();
  return m_BloodDensity->GetValue(unit);
}

bool SEBloodChemistrySystem::HasBloodPH() const
{
  return m_BloodPH==nullptr?false:m_BloodPH->IsValid();
}
SEScalar& SEBloodChemistrySystem::GetBloodPH()
{
  if(m_BloodPH==nullptr)
    m_BloodPH=new SEScalar();
  return *m_BloodPH;
}
double SEBloodChemistrySystem::GetBloodPH() const
{
  if (m_BloodPH == nullptr)
    return SEScalar::dNaN();
  return m_BloodPH->GetValue();
}

bool SEBloodChemistrySystem::HasBloodSpecificHeat() const
{
  return m_BloodSpecificHeat == nullptr ? false : m_BloodSpecificHeat->IsValid();
}
SEScalarHeatCapacitancePerMass& SEBloodChemistrySystem::GetBloodSpecificHeat()
{
  if (m_BloodSpecificHeat == nullptr)
    m_BloodSpecificHeat = new SEScalarHeatCapacitancePerMass();
  return *m_BloodSpecificHeat;
}
double SEBloodChemistrySystem::GetBloodSpecificHeat(const HeatCapacitancePerMassUnit& unit) const
{
  if (m_BloodSpecificHeat == nullptr)
    return SEScalar::dNaN();
  return m_BloodSpecificHeat->GetValue(unit);
}

bool SEBloodChemistrySystem::HasBloodUreaNitrogenConcentration() const
{
  return m_BloodUreaNitrogenConcentration == nullptr ? false : m_BloodUreaNitrogenConcentration->IsValid();
}
SEScalarMassPerVolume& SEBloodChemistrySystem::GetBloodUreaNitrogenConcentration()
{
  if (m_BloodUreaNitrogenConcentration == nullptr)
    m_BloodUreaNitrogenConcentration = new SEScalarMassPerVolume();
  return *m_BloodUreaNitrogenConcentration;
}
double SEBloodChemistrySystem::GetBloodUreaNitrogenConcentration(const MassPerVolumeUnit& unit) const
{
  if (m_BloodUreaNitrogenConcentration == nullptr)
    return SEScalar::dNaN();
  return m_BloodUreaNitrogenConcentration->GetValue(unit);
}

bool SEBloodChemistrySystem::HasCarbonDioxideSaturation() const
{
  return m_CarbonDioxideSaturation == nullptr ? false : m_CarbonDioxideSaturation->IsValid();
}
SEScalar0To1& SEBloodChemistrySystem::GetCarbonDioxideSaturation()
{
  if (m_CarbonDioxideSaturation == nullptr)
    m_CarbonDioxideSaturation = new SEScalar0To1();
  return *m_CarbonDioxideSaturation;
}
double SEBloodChemistrySystem::GetCarbonDioxideSaturation() const
{
  if (m_CarbonDioxideSaturation == nullptr)
    return SEScalar::dNaN();
  return m_CarbonDioxideSaturation->GetValue();
}

bool SEBloodChemistrySystem::HasCarbonMonoxideSaturation() const
{
  return m_CarbonMonoxideSaturation == nullptr ? false : m_CarbonMonoxideSaturation->IsValid();
}
SEScalar0To1& SEBloodChemistrySystem::GetCarbonMonoxideSaturation()
{
  if (m_CarbonMonoxideSaturation == nullptr)
    m_CarbonMonoxideSaturation = new SEScalar0To1();
  return *m_CarbonMonoxideSaturation;
}
double SEBloodChemistrySystem::GetCarbonMonoxideSaturation() const
{
  if (m_CarbonMonoxideSaturation == nullptr)
    return SEScalar::dNaN();
  return m_CarbonMonoxideSaturation->GetValue();
}

bool SEBloodChemistrySystem::HasHematocrit() const
{
  return m_Hematocrit==nullptr?false:m_Hematocrit->IsValid();
}
SEScalar0To1& SEBloodChemistrySystem::GetHematocrit()
{
  if(m_Hematocrit==nullptr)
    m_Hematocrit = new SEScalar0To1();
  return *m_Hematocrit;
}
double SEBloodChemistrySystem::GetHematocrit() const
{
  if (m_Hematocrit == nullptr)
    return SEScalar::dNaN();
  return m_Hematocrit->GetValue();
}

bool SEBloodChemistrySystem::HasHemoglobinContent() const
{
  return m_HemoglobinContent==nullptr?false:m_HemoglobinContent->IsValid();
}
SEScalarMass& SEBloodChemistrySystem::GetHemoglobinContent()
{
  if(m_HemoglobinContent==nullptr)
    m_HemoglobinContent=new SEScalarMass();
  return *m_HemoglobinContent;
}
double SEBloodChemistrySystem::GetHemoglobinContent(const MassUnit& unit) const
{
  if (m_HemoglobinContent == nullptr)
    return SEScalar::dNaN();
  return m_HemoglobinContent->GetValue(unit);
}

bool SEBloodChemistrySystem::HasOxygenSaturation() const
{
  return m_OxygenSaturation==nullptr?false:m_OxygenSaturation->IsValid();
}
SEScalar0To1& SEBloodChemistrySystem::GetOxygenSaturation()
{
  if(m_OxygenSaturation==nullptr)
    m_OxygenSaturation=new SEScalar0To1();
  return *m_OxygenSaturation;
}
double SEBloodChemistrySystem::GetOxygenSaturation() const
{
  if (m_OxygenSaturation == nullptr)
    return SEScalar::dNaN();
  return m_OxygenSaturation->GetValue();
}

bool SEBloodChemistrySystem::HasPhosphate() const
{
  return m_Phosphate == nullptr ? false : m_Phosphate->IsValid();
}
SEScalarAmountPerVolume& SEBloodChemistrySystem::GetPhosphate()
{
  if (m_Phosphate == nullptr)
    m_Phosphate = new SEScalarAmountPerVolume();
  return *m_Phosphate;
}
double SEBloodChemistrySystem::GetPhosphate(const AmountPerVolumeUnit& unit) const
{
  if (m_Phosphate == nullptr)
    return SEScalar::dNaN();
  return m_Phosphate->GetValue(unit);
}

bool SEBloodChemistrySystem::HasPlasmaVolume() const
{
  return m_PlasmaVolume == nullptr ? false : m_PlasmaVolume->IsValid();
}
SEScalarVolume& SEBloodChemistrySystem::GetPlasmaVolume()
{
  if (m_PlasmaVolume == nullptr)
    m_PlasmaVolume = new SEScalarVolume();
  return *m_PlasmaVolume;
}
double SEBloodChemistrySystem::GetPlasmaVolume(const VolumeUnit& unit) const
{
  if (m_PlasmaVolume == nullptr)
    return SEScalar::dNaN();
  return m_PlasmaVolume->GetValue(unit);
}

bool SEBloodChemistrySystem::HasPulseOximetry() const
{
  return m_PulseOximetry == nullptr ? false : m_PulseOximetry->IsValid();
}
SEScalar0To1& SEBloodChemistrySystem::GetPulseOximetry()
{
  if (m_PulseOximetry == nullptr)
    m_PulseOximetry = new SEScalar0To1();
  return *m_PulseOximetry;
}
double SEBloodChemistrySystem::GetPulseOximetry() const
{
  if (m_PulseOximetry == nullptr)
    return SEScalar::dNaN();
  return m_PulseOximetry->GetValue();
}

bool SEBloodChemistrySystem::HasRedBloodCellCount() const
{
  return m_RedBloodCellCount==nullptr?false:m_RedBloodCellCount->IsValid();
}
SEScalarAmountPerVolume& SEBloodChemistrySystem::GetRedBloodCellCount()
{
  if(m_RedBloodCellCount==nullptr)
    m_RedBloodCellCount = new SEScalarAmountPerVolume();
  return *m_RedBloodCellCount;
}
double SEBloodChemistrySystem::GetRedBloodCellCount(const AmountPerVolumeUnit& unit) const
{
  if (m_RedBloodCellCount == nullptr)
    return SEScalar::dNaN();
  return m_RedBloodCellCount->GetValue(unit);
}

bool SEBloodChemistrySystem::HasShuntFraction() const
{
  return m_ShuntFraction==nullptr?false:m_ShuntFraction->IsValid();
}
SEScalar0To1& SEBloodChemistrySystem::GetShuntFraction()
{
  if(m_ShuntFraction==nullptr)
    m_ShuntFraction=new SEScalar0To1();
  return *m_ShuntFraction;
}
double SEBloodChemistrySystem::GetShuntFraction() const
{
  if (m_ShuntFraction == nullptr)
    return SEScalar::dNaN();
  return m_ShuntFraction->GetValue();
}

bool SEBloodChemistrySystem::HasStrongIonDifference() const
{
  return m_StrongIonDifference == nullptr ? false : m_StrongIonDifference->IsValid();
}
SEScalarAmountPerVolume& SEBloodChemistrySystem::GetStrongIonDifference()
{
  if (m_StrongIonDifference == nullptr)
    m_StrongIonDifference = new SEScalarAmountPerVolume();
  return *m_StrongIonDifference;
}
double SEBloodChemistrySystem::GetStrongIonDifference(const AmountPerVolumeUnit& unit) const
{
  if (m_StrongIonDifference == nullptr)
    return SEScalar::dNaN();
  return m_StrongIonDifference->GetValue(unit);
}

bool SEBloodChemistrySystem::HasTotalProteinConcentration() const
{
  return m_TotalProteinConcentration == nullptr ? false : m_TotalProteinConcentration->IsValid();
}
SEScalarMassPerVolume& SEBloodChemistrySystem::GetTotalProteinConcentration()
{
  if (m_TotalProteinConcentration == nullptr)
    m_TotalProteinConcentration = new SEScalarMassPerVolume();
  return *m_TotalProteinConcentration;
}
double SEBloodChemistrySystem::GetTotalProteinConcentration(const MassPerVolumeUnit& unit) const
{
  if (m_TotalProteinConcentration == nullptr)
    return SEScalar::dNaN();
  return m_TotalProteinConcentration->GetValue(unit);
}

bool SEBloodChemistrySystem::HasVolumeFractionNeutralPhospholipidInPlasma() const
{
  return m_VolumeFractionNeutralPhospholipidInPlasma == nullptr ? false : m_VolumeFractionNeutralPhospholipidInPlasma->IsValid();
}
SEScalar0To1& SEBloodChemistrySystem::GetVolumeFractionNeutralPhospholipidInPlasma()
{
  if (m_VolumeFractionNeutralPhospholipidInPlasma == nullptr)
    m_VolumeFractionNeutralPhospholipidInPlasma = new SEScalar0To1();
  return *m_VolumeFractionNeutralPhospholipidInPlasma;
}
double SEBloodChemistrySystem::GetVolumeFractionNeutralPhospholipidInPlasma() const
{
  if (m_VolumeFractionNeutralPhospholipidInPlasma == nullptr)
    return SEScalar::dNaN();
  return m_VolumeFractionNeutralPhospholipidInPlasma->GetValue();
}

bool SEBloodChemistrySystem::HasVolumeFractionNeutralLipidInPlasma() const
{
  return m_VolumeFractionNeutralLipidInPlasma == nullptr ? false : m_VolumeFractionNeutralLipidInPlasma->IsValid();
}
SEScalar0To1& SEBloodChemistrySystem::GetVolumeFractionNeutralLipidInPlasma()
{
  if (m_VolumeFractionNeutralLipidInPlasma == nullptr)
    m_VolumeFractionNeutralLipidInPlasma = new SEScalar0To1();
  return *m_VolumeFractionNeutralLipidInPlasma;
}
double SEBloodChemistrySystem::GetVolumeFractionNeutralLipidInPlasma() const
{
  if (m_VolumeFractionNeutralLipidInPlasma == nullptr)
    return SEScalar::dNaN();
  return m_VolumeFractionNeutralLipidInPlasma->GetValue();
}

bool SEBloodChemistrySystem::HasWhiteBloodCellCount() const
{
  return m_WhiteBloodCellCount==nullptr?false:m_WhiteBloodCellCount->IsValid();
}
SEScalarAmountPerVolume& SEBloodChemistrySystem::GetWhiteBloodCellCount()
{
  if(m_WhiteBloodCellCount==nullptr)
    m_WhiteBloodCellCount = new SEScalarAmountPerVolume();
  return *m_WhiteBloodCellCount;
}
double SEBloodChemistrySystem::GetWhiteBloodCellCount(const AmountPerVolumeUnit& unit) const
{
  if (m_WhiteBloodCellCount == nullptr)
    return SEScalar::dNaN();
  return m_WhiteBloodCellCount->GetValue(unit);
}

bool SEBloodChemistrySystem::HasArterialCarbonDioxidePressure() const
{
  return m_ArterialCarbonDioxidePressure == nullptr ? false : m_ArterialCarbonDioxidePressure->IsValid();
}
SEScalarPressure& SEBloodChemistrySystem::GetArterialCarbonDioxidePressure()
{
  if (m_ArterialCarbonDioxidePressure == nullptr)
    m_ArterialCarbonDioxidePressure = new SEScalarPressure();
  return *m_ArterialCarbonDioxidePressure;
}
double SEBloodChemistrySystem::GetArterialCarbonDioxidePressure(const PressureUnit& unit) const
{
  if (m_ArterialCarbonDioxidePressure == nullptr)
    return SEScalar::dNaN();
  return m_ArterialCarbonDioxidePressure->GetValue(unit);
}

bool SEBloodChemistrySystem::HasArterialOxygenPressure() const
{
  return m_ArterialOxygenPressure == nullptr ? false : m_ArterialOxygenPressure->IsValid();
}
SEScalarPressure& SEBloodChemistrySystem::GetArterialOxygenPressure()
{
  if (m_ArterialOxygenPressure == nullptr)
    m_ArterialOxygenPressure = new SEScalarPressure();
  return *m_ArterialOxygenPressure;
}
double SEBloodChemistrySystem::GetArterialOxygenPressure(const PressureUnit& unit) const
{
  if (m_ArterialOxygenPressure == nullptr)
    return SEScalar::dNaN();
  return m_ArterialOxygenPressure->GetValue(unit);
}

bool SEBloodChemistrySystem::HasPulmonaryArterialCarbonDioxidePressure() const
{
  return m_PulmonaryArterialCarbonDioxidePressure == nullptr ? false : m_PulmonaryArterialCarbonDioxidePressure->IsValid();
}
SEScalarPressure& SEBloodChemistrySystem::GetPulmonaryArterialCarbonDioxidePressure()
{
  if (m_PulmonaryArterialCarbonDioxidePressure == nullptr)
    m_PulmonaryArterialCarbonDioxidePressure = new SEScalarPressure();
  return *m_PulmonaryArterialCarbonDioxidePressure;
}
double SEBloodChemistrySystem::GetPulmonaryArterialCarbonDioxidePressure(const PressureUnit& unit) const
{
  if (m_PulmonaryArterialCarbonDioxidePressure == nullptr)
    return SEScalar::dNaN();
  return m_PulmonaryArterialCarbonDioxidePressure->GetValue(unit);
}

bool SEBloodChemistrySystem::HasPulmonaryArterialOxygenPressure() const
{
  return m_PulmonaryArterialOxygenPressure == nullptr ? false : m_PulmonaryArterialOxygenPressure->IsValid();
}
SEScalarPressure& SEBloodChemistrySystem::GetPulmonaryArterialOxygenPressure()
{
  if (m_PulmonaryArterialOxygenPressure == nullptr)
    m_PulmonaryArterialOxygenPressure = new SEScalarPressure();
  return *m_PulmonaryArterialOxygenPressure;
}
double SEBloodChemistrySystem::GetPulmonaryArterialOxygenPressure(const PressureUnit& unit) const
{
  if (m_PulmonaryArterialOxygenPressure == nullptr)
    return SEScalar::dNaN();
  return m_PulmonaryArterialOxygenPressure->GetValue(unit);
}

bool SEBloodChemistrySystem::HasPulmonaryVenousCarbonDioxidePressure() const
{
  return m_PulmonaryVenousCarbonDioxidePressure == nullptr ? false : m_PulmonaryVenousCarbonDioxidePressure->IsValid();
}
SEScalarPressure& SEBloodChemistrySystem::GetPulmonaryVenousCarbonDioxidePressure()
{
  if (m_PulmonaryVenousCarbonDioxidePressure == nullptr)
    m_PulmonaryVenousCarbonDioxidePressure = new SEScalarPressure();
  return *m_PulmonaryVenousCarbonDioxidePressure;
}
double SEBloodChemistrySystem::GetPulmonaryVenousCarbonDioxidePressure(const PressureUnit& unit) const
{
  if (m_PulmonaryVenousCarbonDioxidePressure == nullptr)
    return SEScalar::dNaN();
  return m_PulmonaryVenousCarbonDioxidePressure->GetValue(unit);
}

bool SEBloodChemistrySystem::HasPulmonaryVenousOxygenPressure() const
{
  return m_PulmonaryVenousOxygenPressure == nullptr ? false : m_PulmonaryVenousOxygenPressure->IsValid();
}
SEScalarPressure& SEBloodChemistrySystem::GetPulmonaryVenousOxygenPressure()
{
  if (m_PulmonaryVenousOxygenPressure == nullptr)
    m_PulmonaryVenousOxygenPressure = new SEScalarPressure();
  return *m_PulmonaryVenousOxygenPressure;
}
double SEBloodChemistrySystem::GetPulmonaryVenousOxygenPressure(const PressureUnit& unit) const
{
  if (m_PulmonaryVenousOxygenPressure == nullptr)
    return SEScalar::dNaN();
  return m_PulmonaryVenousOxygenPressure->GetValue(unit);
}

bool SEBloodChemistrySystem::HasVenousOxygenPressure() const
{
  return m_VenousOxygenPressure == nullptr ? false : m_VenousOxygenPressure->IsValid();
}
SEScalarPressure& SEBloodChemistrySystem::GetVenousOxygenPressure()
{
  if (m_VenousOxygenPressure == nullptr)
    m_VenousOxygenPressure = new SEScalarPressure();
  return *m_VenousOxygenPressure;
}
double SEBloodChemistrySystem::GetVenousOxygenPressure(const PressureUnit& unit) const
{
  if (m_VenousOxygenPressure == nullptr)
    return SEScalar::dNaN();
  return m_VenousOxygenPressure->GetValue(unit);
}

bool SEBloodChemistrySystem::HasVenousCarbonDioxidePressure() const
{
  return m_VenousCarbonDioxidePressure == nullptr ? false : m_VenousCarbonDioxidePressure->IsValid();
}
SEScalarPressure& SEBloodChemistrySystem::GetVenousCarbonDioxidePressure()
{
  if (m_VenousCarbonDioxidePressure == nullptr)
    m_VenousCarbonDioxidePressure = new SEScalarPressure();
  return *m_VenousCarbonDioxidePressure;
}
double SEBloodChemistrySystem::GetVenousCarbonDioxidePressure(const PressureUnit& unit) const
{
  if (m_VenousCarbonDioxidePressure == nullptr)
    return SEScalar::dNaN();
  return m_VenousCarbonDioxidePressure->GetValue(unit);
}
