MaterialProperties.h

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#pragma once
#include "SystemDependencies/SystemDependentDefines.h"
 
class MaterialProperties
{
private:
    double * relativePermeability = nullptr;
    double * relativePermittivity = nullptr;
    const index_t numberOfNodes = 0;
 
    const double freeSpacePermittivity = 8.854187817E-12; //physical constant
    const double freeSpacePermeability = 1.256637061E-6; //physical constant
 
    index_t yOffset;
    index_t zOffset;         
public:
    explicit MaterialProperties(double * permeability, double * permittivity, index_t numberOfNodes);
    ~MaterialProperties() 
    {
        relativePermeability = nullptr;
        relativePermittivity = nullptr;
    };
    MaterialProperties(MaterialProperties & other) = delete;
    MaterialProperties & operator=(const MaterialProperties & other) = delete;
 
    inline const index_t GetNumberOfNodes() const;
    
    inline double GetPermeabilityInX(index_t index) const;
    inline double GetPermeabilityInY(index_t index) const;
    inline double GetPermeabilityInZ(index_t index) const;
    
    inline double GetPermittivityInX(index_t index) const;
    inline double GetPermittivityInY(index_t index) const;
    inline double GetPermittivityInZ(index_t index) const;                                                 
};
inline MaterialProperties::MaterialProperties(double * relativePermeability, double * relativePermittivity, index_t numberOfNodes)
:relativePermeability(relativePermeability), relativePermittivity(relativePermittivity), numberOfNodes(numberOfNodes), yOffset(numberOfNodes), zOffset(numberOfNodes * 2) {}
 
inline const index_t MaterialProperties::GetNumberOfNodes() const
{
    return numberOfNodes;
}
 
inline double MaterialProperties::GetPermeabilityInX(index_t index) const
{
    return relativePermeability[index] * freeSpacePermeability;
}
inline double MaterialProperties::GetPermeabilityInY(index_t index) const
{
    return relativePermeability[index+ yOffset] * freeSpacePermeability;
}
inline double MaterialProperties::GetPermeabilityInZ(index_t index) const
{
    return relativePermeability[index + zOffset] * freeSpacePermeability;
}
 
inline double MaterialProperties::GetPermittivityInX(index_t index) const
{
    return relativePermittivity[index] * freeSpacePermittivity;
}
inline double MaterialProperties::GetPermittivityInY(index_t index) const
{
    return relativePermittivity[index + yOffset] * freeSpacePermittivity;
}
inline double MaterialProperties::GetPermittivityInZ(index_t index) const
{
    return relativePermittivity[index + zOffset] * freeSpacePermittivity;
}