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Asked: 2026-05-10T17:05:26+00:00

I recently had a need to interpret a DEC 32-bit floating point representation. It

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I recently had a need to interpret a DEC 32-bit floating point representation. It differs from the IEEE floating point representations in the number of bits allocated to the exponent and mantissa.

Here’s a description of a bunch of floating point formats:

http://www.quadibloc.com/comp/cp0201.htm

I managed to roll my own C++ code to stuff a DEC 32-bit float into an IEEE 32-bit float but was wondering if there were any libraries out there that had tackled this conversion and others already.

I checked boost.org but didn’t see any in there.

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  1. You mean like libvaxdata?

    I’ve never used it – I just found it by googling. But it looks like what you’re looking for.

    It’s a C library rather than C++, but converting floating point data should work fine from extern ‘C’ calls.

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