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zack-vii avatar zack-vii commented on June 24, 2024

thisbius expected as non ieee floats have not been implemented yet.. one would have to convert them based on dtype before creating Float32Arrays or Float32 or implement a wrapping class e.g. FloatVMS* that handles those dtypes. same holds for other exotic float types.

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santorofer avatar santorofer commented on June 24, 2024

Timo, we have been debugging (jTraverser2 and mdsplus-api) this issue for a while, and found that it stems from ByteBuffer being used to read the floats from their binary representation. We want to add a call to TDI's FT_FLOAT/FS_FLOAT, but couldn't figure out where to put it. Since you are more familiar with that API, can you take a crack at it?.

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zack-vii avatar zack-vii commented on June 24, 2024

the conversion could be done during deserialization

public static final Descriptor_S<?> deserialize(final ByteBuffer b) throws MdsException

here as an example for scalars the dtype is used to map to the appropriate java class. one could either convert here before passing the buffer to the Float32. or one could make a dedicated FFloat class that handles the conversion in getValue().

same could be done for the DFloat (same as FC, DC, G, and GC).

I will try to find some time to give the getValue() attempt a try.. I would implement the conversion in java though rather than relying on tdi if its not too complicated.

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