yescross.m

beamlet变化的工具箱

%  YesCross -- given four vertices, if (v,v_last) cross (vold,vnew)
%   Usage
%     logic = YesCross(v,v_last,vold,vnew)
%   Inputs
%     v        current vertex
%     v_last   last vertex
%     vold     old vertex
%     vnew     new vertex
%   Output
%     logic    if (v,v_last) crosses (vold,vnew), logic=1; otherwise logic=0
%
%
% Part of BeamLab Version:200
% Built:Friday,23-Aug-2002 00:00:00
% This is Copyrighted Material
% For Copying permissions see COPYING.m
% Comments? e-mail [e-mail]
%
%
% Part of BeamLab Version:200
% Built:Saturday,14-Sep-2002 00:00:00
% This is Copyrighted Material
% For Copying permissions see COPYING.m
% Comments? e-mail [e-mail]
%