tree 03b3de33424239d927ac07bb1faa4b1892aea1d2
parent 6d364fce2aebabc3fb4da2955ac499162699841b
author Rob Landley <rob@landley.net> 1457907791 -0500
committer Rob Landley <rob@landley.net> 1457907791 -0500

factor: use long long math (64 bit on 32 bit platforms) and handle negative
numbers even though we use unsigned math now.