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dft_tools/doc/reference/c++/arrays/h5_complex.rst

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.. highlight:: c
Issue with the complex numbers
============================================================================
There is no standard representation of the complex numbers `std::complex<T>` in hdf5.
The classes therefore represent them as arrays of `T` with one more dimension, and
adding a tag *_complex_* to the array for identification when rereading.
* This is compatible with the ALPS 2.0 storage.
* This is **not** compatible with the regular h5py storage for complex.
The conversion is made by HDFArchive class automatically.