tree 9f781b60c1bb92f82c64e6bcb9bc1a5fbda8fa11
parent 970512c6d4a6084f17084e07ecc4f3423ae21b74
author Alex Herbert <aherbert@apache.org> 1577224997 +0000
committer Alex Herbert <aherbert@apache.org> 1577226386 +0000

Update log() to use the overflow/underflow safe method of Hull et al.

This maintains the existing overflow safe functionality but adds
underflow protection.