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Re: Reading IEEE floating point on DEC OpenVMS [message #4222]

Fri, 12 May 1995 00:00

rivers
Messages: 228
Registered: March 1991

Senior Member

In article <3otpao$c66@elna.ethz.ch>, system@ir.phys.chem.ethz.ch (Ulrich Schmitt, Phys. Chem., ETH Zurich) writes:
> Is there a way in PV-WAVE or IDL for DEC OpenVMS to read an unformatted
> external data file which contains IEEE 4-byte and 8-byte floating point
> numbers?

Yes, use the BYTEORDER rotine with the keywords XDRTOF or XDRTOD.

Example:

data = intarr(1024)
openr, lun, /get, /block, 'myfile.dat'
readu, lun, data
byteorder, data, /xdrtof

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