gmp 4.2.4 - mpf_add two large negative floats - strange result

[Bruce M. Axtens]

Sisyphus wrote:
>
> (One of these days it might occur to me that I ought to take the extra 
> few seconds, and actually check on the facts before posting.)
>   
Yes, it would seem that reading the manual would have been a good thing 
for me to do at the outset. Thanks very much for taking the time to 
write; upping the precision did make the difference.

Bruce.