Class: SomeNumber

• Inheritance
• Description
• Related information
• Instance protocol
  • arithmetic
  • printing
  • private-accessing
  • queries

Inheritance:

   Object
   |
   +--Magnitude
      |
      +--ArithmeticValue
         |
         +--Number
            |
            +--MetaNumber
               |
               +--SomeNumber

Package:

stx:libbasic

Category:

Magnitude-Numbers

Version:

rev: 1.5 date: 2016/12/31 00:02:31

user: stefan

file: SomeNumber.st directory: libbasic

module: stx stc-classLibrary: libbasic

Author:

Claus Gittinger

Description:

Only used internally during double dispatch, 
when MetaNumbers (INF and NAN) are involved.

Related information:

    Number
    Infinity
    NotANumber
    Float
    ShortFloat
    Fraction
    FixedPoint
    Integer
    Complex
    FloatArray
    DoubleArray

Instance protocol:

 * something

return the product of the receiver and the argument

 + something

return the sum of the receiver and the argument

 - something

return the difference of the receiver and the argument

 / something

return the quotient of the receiver and the argument

 < something

return true if the receiver is less than the argument

 = something

return true, if the argument represents the same numeric value
as the receiver, false otherwise.

usage example(s):

Float infinity = Infinity positive Infinity positive = Float infinity Float negativeInfinity = Infinity negative Infinity negative = Float negativeInfinity Float negativeInfinity = Infinity positive Infinity positive = Float negativeInfinity

 printOn: aStream

 realNumber

 realNumber: something

 isInfinite

 sign

return the sign of the receiver (-1, 0 or 1)