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# 套件：libmath-convexhull-monotonechain-perl（0.1-1 以及其他的）

## 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.

## 其他與 libmath-convexhull-monotonechain-perl 有關的套件

 依賴 推薦 建議 增強
• dep: libc6 (>= 2.1.3) [i386]
GNU C 函式庫：共用函式庫
同時作為一個虛擬套件由這些套件填實： libc6-udeb
dep: libc6 (>= 2.17) [arm64, ppc64el]
dep: libc6 (>= 2.2) [mips, mips64el, mipsel, s390x]
dep: libc6 (>= 2.2.5) [amd64]
dep: libc6 (>= 2.4) [armel, armhf]
• dep: perl (>= 5.28.0-3)
Larry Wall's Practical Extraction and Report Language
• dep: perlapi-5.28.0
本虛擬套件由這些套件填實： perl-base

## 下載 libmath-convexhull-monotonechain-perl

amd64 0.1-1+b7 8。5 kB42。0 kB [檔案列表]
arm64 0.1-1+b6 8。4 kB38。0 kB [檔案列表]
armel 0.1-1+b7 9。6 kB37。0 kB [檔案列表]
armhf 0.1-1+b7 8。0 kB33。0 kB [檔案列表]
i386 0.1-1+b7 8。7 kB41。0 kB [檔案列表]
mips 0.1-1+b7 8。3 kB37。0 kB [檔案列表]
mips64el 0.1-1+b5 8。4 kB38。0 kB [檔案列表]
mipsel 0.1-1+b7 8。4 kB37。0 kB [檔案列表]
ppc64el 0.1-1+b5 8。9 kB94。0 kB [檔案列表]
s390x 0.1-1+b9 8。4 kB37。0 kB [檔案列表]