Abstract supertype of types that support scaling by a
numeric factor. Examples of such types include vectors and
matrices. The *scale* operator `**`

accepts a scale factor
as its first operand, and an instance of `Scalable`

as its
second operand.

Vector scaled = 2.0 ** Vector(x,y,z);

Concrete classes which implement this interface should satisfy:

`x == 1**x`

`a ** (b ** x) == a*b ** x`

where `1`

denotes the multiplicative identity of the
numeric scaling type.

Concrete classes which implement this interface are
encouraged to also satisfy `Invertible`

, in which case,
the following identity should be satisfied:

`-x == -1**x`

Concrete classes which implement this interface and which
also satisfy `Summable`

should satisfy:

`x+x == 2**x`

`a ** (x+y) == a**x + a**y`

The Scale must be a numeric
type, but is not required to be `Number`

, since a complex
number scaling type should be allowed.

By: Gavin

*no type hierarchy*

*no supertypes hierarchy*

*no subtypes hierarchy*

Inherited Attributes |

Attributes inherited from: `Object` |

Methods | |

`scale` | Source Code`shared formal Value scale(Scale scalar)` Scale this value by the given scale factor. |

Inherited Methods |

Methods inherited from: `Object` |