Hdf5Type.h
#ifndef GRID_SERIALISATION_HDF5_TYPE_H
#define GRID_SERIALISATION_HDF5_TYPE_H
#include <H5Cpp.h>
#include <complex>
#include <memory>
#ifndef H5_NO_NAMESPACE
#define H5NS H5
#endif
#define HDF5_NATIVE_TYPE(predType, cType)\
template <>\
class Hdf5Type<cType>\
{\
public:\
static inline const H5NS::DataType & type(void)\
{\
return H5NS::PredType::predType;\
}\
static constexpr bool isNative = true;\
};
#define DEFINE_HDF5_NATIVE_TYPES \
HDF5_NATIVE_TYPE(NATIVE_B8, bool);\
HDF5_NATIVE_TYPE(NATIVE_CHAR, char);\
HDF5_NATIVE_TYPE(NATIVE_SCHAR, signed char);\
HDF5_NATIVE_TYPE(NATIVE_UCHAR, unsigned char);\
HDF5_NATIVE_TYPE(NATIVE_SHORT, short);\
HDF5_NATIVE_TYPE(NATIVE_USHORT, unsigned short);\
HDF5_NATIVE_TYPE(NATIVE_INT, int);\
HDF5_NATIVE_TYPE(NATIVE_UINT, unsigned int);\
HDF5_NATIVE_TYPE(NATIVE_LONG, long);\
HDF5_NATIVE_TYPE(NATIVE_ULONG, unsigned long);\
HDF5_NATIVE_TYPE(NATIVE_LLONG, long long);\
HDF5_NATIVE_TYPE(NATIVE_ULLONG, unsigned long long);\
HDF5_NATIVE_TYPE(NATIVE_FLOAT, float);\
HDF5_NATIVE_TYPE(NATIVE_DOUBLE, double);\
HDF5_NATIVE_TYPE(NATIVE_LDOUBLE, long double);
namespace Grid
{
template <typename T> class Hdf5Type
{
public:
static constexpr bool isNative = false;
};
DEFINE_HDF5_NATIVE_TYPES;
template <typename R>
class Hdf5Type<std::complex<R>>
{
public:
static inline const H5NS::DataType & type(void)
{
if (typePtr_ == nullptr)
{
typePtr_.reset(new H5NS::CompType(sizeof(std::complex<R>)));
typePtr_->insertMember("re", 0, Hdf5Type<R>::type());
typePtr_->insertMember("im", sizeof(R), Hdf5Type<R>::type());
}
return *typePtr_;
}
static constexpr bool isNative = false;
private:
static std::unique_ptr<H5NS::CompType> typePtr_;
};
template <typename R>
std::unique_ptr<H5NS::CompType> Hdf5Type<std::complex<R>>::typePtr_ = nullptr;
}
#undef HDF5_NATIVE_TYPE
#endif /* GRID_SERIALISATION_HDF5_TYPE_H */