File: RectHeight.m

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psychtoolbox-3 3.0.14.20170103%2Bgit6-g605ff5c.dfsg1-1
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function height = RectHeight(rect)
% height = RectHeight(rect)
%
% Returns the rect's height.
% Also see PsychRects.

% 5/12/96 dgp wrote it.
% 7/10/96 dgp PsychRects
% 8/5/96 dgp check rect size.

if nargin~=1
	error('Usage:  height = RectHeight(rect)');
end
if size(rect,2)~=4
	error('Wrong size rect argument. Usage:  height = RectHeight(rect)');
end
height = rect(RectBottom)-rect(RectTop);