C-language half-float Conversion
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The ``half.h`` header can be included in pure C code:

.. literalinclude:: ../examples/half.c
   :language: c

The only C-language operations supported for the ``half`` type are
conversion to and from ``float``. No arithmetic operations are
currently implemented in the C interface.

.. doxygenfunction:: imath_half_to_float

.. doxygenfunction:: imath_half_to_float


