<?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd"> <pkgmetadata> <maintainer type="project"> <email>sci-mathematics@gentoo.org</email> <name>Gentoo Mathematics Project</name> </maintainer> <longdescription lang="en"> The Computational Geometry Algorithms Library is a collaborative open source library containing: * the Kernel with geometric primitives such as points, vectors, lines, predicates for testing things such as relative positions of points, and operations such as intersections and distance calculation. * the Basic Library which is a collection of standard data structures and geometric algorithms, such as convex hull in 2D/3D, (Delaunay) triangulation in 2D/3D, planar map, polyhedron, smallest enclosing circle, and multidimensional query structures. * the Support Library which offers interfaces to other packages, e.g., for visualisation, and I/O, and other support facilities. </longdescription> <use> <flag name="mpfi">Enable support for multiple recision interval arithmetic via <pkg>sci-libs/mpfi</pkg></flag> <flag name="ntl">Enable support for <pkg>dev-libs/ntl</pkg></flag> </use> </pkgmetadata>