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untransform-distances

Function
Summary

Transforms a list of integer pairs representing distances by the inverse of a transform.

Signature

untransform-distances transform distances => result

Arguments

transform

A transform

distances

A list of pairs of real numbers

Values

result

A list of pairs of real numbers

Description

The untransform-distances function transforms a list of alternating ( dx dy ) pairs in distances by the effective inverse of transform . Transformed values are returned as a new list.


LispWorks CAPI Reference Manual - 14 Dec 2001

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