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[liudaisuda <>]

Hey, guy. I apologize for the confusion caused by my subject title of this
message. The question I am trying to ask is as follows. 

I have a vector containing in arbitrary order points that are all vertices
of a convex polygon. By in arbitrary order, I mean, the points are not in
the order in which they appear on the convex polygon either clockwise or
counter-clockwise. Say I have a simple convex polygon {0,0} {8,0} {8,8}
{0,8}, but in my vector it is probably stored as {0,0} {8,0} {0,8} {8,8}. My
goal is sort them in the right order and form the correct convex polygon.
Any suggestion would be greatly appreciated. Thanks a lot in advance.



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