Indicator Box, confusingly, isn't an Indicator Function

[lauramurgatroyd]

Description

Indicator box is confusingly named. It's actually a characteristic function because values outside of the 'box' are infinity. An indicator function has value 0 outside of the 'box'

Environment

import cil, sys
print(cil.version.version, cil.version.commit_hash, sys.version, sys.platform)