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Allegro CL version 8.2
This page is new in 8.2.

line-y-at-x-x-y

Arguments: x1 y1 x2 y2 x

Returns the y coordinate where a line has a particular x coordinate, or nil for a vertical line.

The first four arguments are real numbers that specify any two distinct points on the line. The last argument is a real number for the x coordinate. The returned value is a real number or nil.

See also line-x-at-y-x-y and line-y-at-x.


Copyright (c) 1998-2016, Franz Inc. Oakland, CA., USA. All rights reserved.
This page is new in the 8.2 release.
Created 2016.6.21.

ToCDocOverviewCGDocRelNotesFAQIndexPermutedIndex
Allegro CL version 8.2
This page is new in 8.2.