Round each number in interval X to the nearest integer. Ties are rounded away from zero (towards +Inf or -Inf depending on the sign).
Accuracy: The result is a tight enclosure.
round (infsup (2.5, 3.5)) ⇒ ans = [3, 4] round (infsup (-0.5, 5)) ⇒ ans = [-1, +5]
See also: @infsup/floor, @infsup/ceil, @infsup/roundb, @infsup/fix.
Package: interval