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Package: libmath-convexhull-monotonechain-perl (0.1-1build9)

Perl module to calculate a convex hull using Andrew's monotone chain algorithm

Math::ConvexHull::MonotoneChain optionally exports a single function convex_hull which calculates the convex hull of the input points and returns it. Andrew's monotone chain convex hull algorithm constructs the convex hull of a set of 2-dimensional points in O(n*log(n)) time.

It does so by first sorting the points lexicographically (first by x-coordinate, and in case of a tie, by y-coordinate), and then constructing upper and lower hulls of the points in O(n) time. It should be somewhat faster than a plain Graham's scan (also O(n*log(n))) in practice since it avoids polar coordinates.

Other Packages Related to libmath-convexhull-monotonechain-perl

  • depends
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  • dep: libc6 (>= 2.17) [arm64, ppc64el]
    GNU C Library: Shared libraries
    also a virtual package provided by libc6-udeb
    dep: libc6 (>= 2.2.5) [amd64]
    dep: libc6 (>= 2.4) [armhf]
  • dep: perl
    Larry Wall's Practical Extraction and Report Language
  • dep: perlapi-5.34.0
    virtual package provided by perl-base

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amd64 8.8 kB44 kB [list of files]
arm64 8.5 kB36 kB [list of files]
armhf 8.2 kB31 kB [list of files]
ppc64el 8.9 kB156 kB [list of files]