?? dl_del.m
字號:
function dl=dl_del(dl,node)
% DL_DEL
%
% dl=DL_DEL(dl,node) deletes node from the doubly linked list dl.
% Copyright (c) MathWorks Inc. 1998-2001. All rights reserved.
if nargin<2
error('two input arguments required.');
end
if nargout<1
error('one output argument required.');
end
% Due to dummy head, every node has a previous.
node.prev.next=node.next;
if node.next~=0
node.next.prev=node.prev;
else
dl.tail=node.prev;
end
free(node);
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