Number
Number inherits from Object and defines no instance variables. It has subclasses Double, Fraction, Integer, and Point.
Numbers are numeric values of various kinds.
Number has the protocol normally found in class Magnitude (there is no separate Magnitude class). In addition, the usual Number methods are implemented here.
Methods defined in Number:
Methods for comparing:
- < number
- <= number
- = number
- > number
- >= number
- between: lower and: upper
- hash
Methods for double dispatching:
- addToDouble: double
- addToFraction: fraction
- addToInteger: integer
- addToPoint: point
- coerce: number
Coerce a lower-generality number to the same generality as the receiver (if possible).
- divideIntoDouble: double
- divideIntoFraction: fraction
- divideIntoInteger: integer
- divideIntoPoint: point
- equalToDouble: double
- equalToFraction: fraction
- equalToInteger: integer
- equalToPoint: point
- generality
- greaterThanDouble: double
- greaterThanFraction: fraction
- greaterThanInteger: integer
- greaterThanPoint: point
- multiplyByDouble: double
- multiplyByFraction: fraction
- multiplyByInteger: integer
- multiplyByPoint: point
- retry: selector coercing: number
- subtractFromDouble: double
- subtractFromFraction: fraction
- subtractFromInteger: integer
- subtractFromPoint: point
Methods for instance creation:
- @ y
- to: stop
- to: stop by: step
Methods for math functions:
- abs
- max: value
- min: value
- negated
- raisedToInteger: integer
- reciprocal
- sign
- squared
Methods for predicates:
- isInteger
- isZero
- negative
- positive
arrgh, I hate this definition, but it's what we're stuck with.
Pocket Smalltalk Documentation