home *** CD-ROM | disk | FTP | other *** search
- -- Representation of temperatures on both Fahrenheit and Celsius scales
- --
- -- This program cannot be used on any machine without support for floating
- -- point numbers within Gofer (e.g. PCs).
-
- data Temp = Celsius Float | Fahrenheit Float
-
- fahrToCent f = (f-32.0)/1.8
-
- instance Eq Temp where
- Celsius c1 == Celsius c2 = c1==c2
- Celsius c1 == Fahrenheit f2 = c1==fahrToCent f2
- Fahrenheit f1 == Celsius c2 = fahrToCent f1==c2
- Fahrenheit f1 == Fahrenheit f2 = f1==f2
-
-