#300 - Correct usage of IntervalArithmetic#316

Merged

mforets merged 4 commits intomasterfrom mforets/300

Apr 3, 2018

+34-36

Commits on Apr 3, 2018

update and simplify Interval
mforets
committed
update tests
mforets
committed
use preferred Interval constructor
mforets
committed
update test
mforets
committed