callback_utils_meta.hpp

Go to the documentation of this file.

 
#ifndef CALLBACK_UTILS_META_HPP
#define CALLBACK_UTILS_META_HPP
 
#include "callback.hpp"
#include "hdf5_utils.hpp"
 
namespace CallbackUtils {
 
namespace meta
{
 
    template<typename AFields, uint8_t PartType>
    struct Illustris :
        virtual public Callback<AFields>
    {// {{{
        void read_grp_meta (size_t chunk_idx, std::shared_ptr<H5::H5File> fptr,
                            size_t &Ngroups) const override final
        {
            auto header = fptr->openGroup("/Header");
            Ngroups = hdf5Utils::read_scalar_attr<int32_t,size_t>(header, "Ngroups_ThisFile");
            header.close();
        }
 
        void read_prt_meta (size_t chunk_idx, std::shared_ptr<H5::H5File> fptr,
                            coord_t &Bsize, size_t &Npart) const override final
        {
            auto header = fptr->openGroup("/Header");
            Bsize = hdf5Utils::read_scalar_attr<double,coord_t>(header, "BoxSize");
            Npart = hdf5Utils::read_vector_attr<int32_t,size_t>(header, "NumPart_ThisFile", PartType);
            header.close();
        }
    };// }}}
 
    template<typename AFields, uint8_t PartType>
    struct SIMBA :
        virtual public Callback<AFields>
    {// {{{
        void read_grp_meta (size_t chunk_idx, std::shared_ptr<H5::H5File> fptr,
                            size_t &Ngroups) const override final
        {
            auto header = fptr->openGroup("/Header");
            Ngroups = hdf5Utils::read_scalar_attr<int32_t,size_t>(header, "Ngroups_ThisFile");
            header.close();
        }
 
        void read_prt_meta (size_t chunk_idx, std::shared_ptr<H5::H5File> fptr,
                            coord_t &Bsize, size_t &Npart) const override final
        {
            auto header = fptr->openGroup("/Header");
            Bsize = hdf5Utils::read_scalar_attr<double,coord_t>(header, "BoxSize");
            Npart = hdf5Utils::read_vector_attr<uint32_t,size_t>(header, "NumPart_ThisFile", PartType);
            header.close();
        }
    };// }}}
 
    template<typename AFields>
    struct Gadget :
        virtual public Callback<AFields>,
        public Illustris<AFields, 1>
    { };
 
} // namespace meta
 
} // namespace CallbackUtils
 
#endif // CALLBACK_UTILS_META_HPP