Day, A. M.2014-10-212014-10-2119881467-8659https://doi.org/10.1111/j.1467-8659.1988.tb00608.xSequential and parallel planar convex hull algorithms, their applications and some of the problems encountered on implementations are described. Details of Pascal implementations are given for three of the sequential algorithms: Graham s, Floyd-Eddy and the Approximation method. The programs are compared experimentally.Planar Convex Hull Algorithms in Theory and Practice10.1111/j.1467-8659.1988.tb00608.x177-193