CompressedTypes.cxx

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/*
  Copyright (C) 2002-2019 CERN for the benefit of the ATLAS collaboration
*/
 
#include "HDF5Utils/CompressedTypes.h"
 
namespace {
}
 
namespace H5Utils {
 
  namespace internal {
 
    H5::DataType halfPrecisionFloat(int ebias) {
      // start with native float
      H5::FloatType type(H5Tcopy(H5::PredType::NATIVE_FLOAT.getId()));
 
      // These definitions are copied from h5py, see:
      //
      //  https://github.com/h5py/h5py/blob/596748d52c351258c851bb56c8df1c25d3673110/h5py/h5t.pyx#L212-L217
      //
      type.setFields(15, 10, 5, 0, 10);
      type.setSize(2);
      type.setEbias(ebias);
      return type;
    }
 
  }
 
}