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33 results

FiniteVolumesDiffusion.hpp

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  • ItemOfItemType.hpp 2.44 KiB
    #ifndef ITEM_OF_ITEM_TYPE_HPP
    #define ITEM_OF_ITEM_TYPE_HPP
    
    #include <mesh/ItemType.hpp>
    
    template <ItemType sub_item_t, ItemType item_t>
    struct ItemOfItemType
    {
      static_assert(sub_item_t != item_t, "item and its sub-item cannot be of same type");
    
      constexpr static ItemType sub_item_type = sub_item_t;
      constexpr static ItemType item_type     = item_t;
    
      using Reversed = ItemOfItemType<item_type, sub_item_type>;
    };
    
    using FaceOfCell = ItemOfItemType<ItemType::face, ItemType::cell>;
    using EdgeOfCell = ItemOfItemType<ItemType::edge, ItemType::cell>;
    using NodeOfCell = ItemOfItemType<ItemType::node, ItemType::cell>;
    
    using CellOfFace = ItemOfItemType<ItemType::cell, ItemType::face>;
    using EdgeOfFace = ItemOfItemType<ItemType::edge, ItemType::face>;
    using NodeOfFace = ItemOfItemType<ItemType::node, ItemType::face>;
    
    using CellOfEdge = ItemOfItemType<ItemType::cell, ItemType::edge>;
    using FaceOfEdge = ItemOfItemType<ItemType::face, ItemType::edge>;
    using NodeOfEdge = ItemOfItemType<ItemType::node, ItemType::edge>;
    
    using CellOfNode = ItemOfItemType<ItemType::cell, ItemType::node>;
    using FaceOfNode = ItemOfItemType<ItemType::face, ItemType::node>;
    using EdgeOfNode = ItemOfItemType<ItemType::edge, ItemType::node>;
    
    template <ItemType sub_item_type, ItemType item_type>
    constexpr inline int item_of_item_type_index;
    
    template <>
    constexpr inline int item_of_item_type_index<ItemType::face, ItemType::cell> = 0;
    template <>
    constexpr inline int item_of_item_type_index<ItemType::edge, ItemType::cell> = 1;
    template <>
    constexpr inline int item_of_item_type_index<ItemType::node, ItemType::cell> = 2;
    
    template <>
    constexpr inline int item_of_item_type_index<ItemType::cell, ItemType::face> = 3;
    template <>
    constexpr inline int item_of_item_type_index<ItemType::edge, ItemType::face> = 4;
    template <>
    constexpr inline int item_of_item_type_index<ItemType::node, ItemType::face> = 5;
    
    template <>
    constexpr inline int item_of_item_type_index<ItemType::cell, ItemType::edge> = 6;
    template <>
    constexpr inline int item_of_item_type_index<ItemType::face, ItemType::edge> = 7;
    template <>
    constexpr inline int item_of_item_type_index<ItemType::node, ItemType::edge> = 8;
    
    template <>
    constexpr inline int item_of_item_type_index<ItemType::cell, ItemType::node> = 9;
    template <>
    constexpr inline int item_of_item_type_index<ItemType::face, ItemType::node> = 10;
    template <>
    constexpr inline int item_of_item_type_index<ItemType::edge, ItemType::node> = 11;
    
    #endif   // ITEM_OF_ITEM_TYPE_HPP