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untransform-point

Function
Summary

Transforms a point by multiplying it by the inverse of a given transform.

Signature

untransform-point transform x y => x2 y2

Arguments

transform

A transform

x

A real number

y

A real number

Values

x2

A real number

y2

A real number

Description

The untransform-point function transform the point ( x y ) by effectively multiplying it by the inverse of transform . The transformed ( x y ) is returned as two values.


LispWorks CAPI Reference Manual - 14 Dec 2001

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