Numeric.Interval

data Interval a

(...)

(+/-)

interval

whole

empty

null

singleton

elem

notElem

inf

sup

singular

width

midpoint

intersection

hull

bisect

bisectIntegral

magnitude

mignitude

distance

inflate

deflate

scale

symmetric

contains

isSubsetOf

certainly

(<!)

(<=!)

(==!)

(>=!)

(>!)

possibly

(<?)

(<=?)

(==?)

(>=?)

(>?)

idouble

ifloat