Re: [Openexr-devel] does half round-trip?

[Paul Miller]

Florian Kainz wrote:
> Going from 16-bit half to 32-bit float and back to half is lossless,
> at least if you use ILM's Half library to do the conversion.  The set
> of possible half values is a subset of the possible float values, so
> every half can be represented exactly as a float, with no roundoff.

Yeah, sorry for the red flags. I did get it to round-trip after I added 
a round up in my double->int conversion.

Thanks for those that gave me the input I needed to keep digging.



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Paul Miller | address@hidden | www.fxtech.com | Got Tivo?