[Jprogramming] Sharing mapped file between 64bit and 32bit J

[Anssi Sepp�l]

I am studying methods to share data between 32 and 64 bit J. The 
jfiles seem to work fine, but mapped files are different because the 
intergers are 4 and 8 bytes. I wonder it is possible to  convert in a 
64 bit J integers to 32 bit representation and write to a mapped file 
and vice versa. I wonder if this reasonable idea and how the 
conversion is best to do?

Thanks,
Anssi
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