[fitsbits] Adding fpzip floating point compression {External}

[Barrett, Paul]

Yes, the suggestion is to extend the set of algorithms to include the
lossless (fpzip) and lossy (fpz) algorithms.

 -- Paul

On Mon, Oct 27, 2025 at 11:34 AM peter teuben via fitsbits <
fitsbits at listmgr.nrao.edu> wrote:

> I'm not quite understanding how this would be implemented. Is this a new
> BITPIX ?   Or does it only apply to a new extension. like how BINTABLE was
> done?
>
> I get worried if we encode (compression) algorithms in order to decode
> FITS files.
>
>  - peter
> On 10/27/25 11:13, Barrett, Paul via fitsbits wrote:
>
> I would like to suggest that FITS add the fpzip
> <https://computing.llnl.gov/projects/fpzip> floating point compression
> algorithm to the FITS standard. fpzip is primarily designed for lossless
> compression but also has a provision for lossy compression.
>
> I will be adding it to FITSFiles.jl, a pure Julia implementation of the
> FITS standard.
>
>  -- Paul
>
>
> --
> Paul Barrett, PhD
> Department of Physics
> The George Washington University
> Washington, DC 20052
>
>
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