[PATCH] libm: Fix 'gamma' and 'gammaf' functions. Clean up other gamma code.

[Joseph Myers]

On Fri, 4 Sep 2020, Corinna Vinschen via Newlib wrote:

> remote: *** It contains characters not in the ISO-8859-15 charset.

> Apart from the fact that not allowing any UTF-8 char is a bit
> awkward these days... how would you like the above to be expressed
> under these rules?

The configuration option no-rh-character-range-check was added to allow 
disabling that check, because I thought it an inappropriate check to apply 
for GCC.  So setting that option in project.config in refs/meta/config 
should allow you to disable that check for newlib if so desired.

-- 
Joseph S. Myers
joseph@codesourcery.com