NextPrevUpTopContentsIndex

inside-rectangle

Function
Summary

Determines if a point lies inside a rectangle.

Package

graphics-ports

Signature

inside-rectangle rectangle x y => result

Arguments

rectangle

A list of integers.

x

An integer.

y

An integer.

Values

result

A boolean.

Description

The inside-rectangle function returns t if the point ( x y ) is inside rectangle . The rectangle is expected to be ordered; if the rectangle is specified by ( left right top bottom ), then left must be less than right , and bottom must be less than top . The lines y = bottom and x = right are not considered to be inside the rectangle.


LispWorks CAPI Reference Manual - 17 Mar 2008

NextPrevUpTopContentsIndex