diff options
Diffstat (limited to 'gnu/packages/maths.scm')
| -rw-r--r-- | gnu/packages/maths.scm | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/gnu/packages/maths.scm b/gnu/packages/maths.scm index 1e0e1998db..fd3626a595 100644 --- a/gnu/packages/maths.scm +++ b/gnu/packages/maths.scm @@ -207,6 +207,37 @@ programming languages.") (home-page "https://stcorp.nl/coda") (license license:gpl2+))) +(define-public qhull + (package + (name "qhull") + (version "2015.2") + (source (origin + (method url-fetch) + (uri (string-append "http://www.qhull.org/download/qhull-" + (car (string-split version #\.)) + "-src-7.2.0.tgz")) + (sha256 + (base32 + "0dm4b2xr3asy6w74khq2zg4gf26zsy3qf9sq7pf7lmrvbj911c3q")))) + (build-system cmake-build-system) + (synopsis "Calculate convex hulls and related structures") + (description + "@code{Qhull} computes the convex hull, Delaunay triangulation, Voronoi +diagram, halfspace intersection about a point, furthest-site Delaunay +triangulation, and furthest-site Voronoi diagram. The source code runs in 2-d, +3-d, 4-d, and higher dimensions. @code{Qhull} implements the Quickhull +algorithm for computing the convex hull. It handles roundoff errors from +floating point arithmetic. It computes volumes, surface areas, and +approximations to the convex hull. + +@code{Qhull} does not support triangulation of non-convex surfaces, mesh +generation of non-convex objects, medium-sized inputs in 9-D and higher, alpha +shapes, weighted Voronoi diagrams, Voronoi volumes, or constrained Delaunay +triangulations.") + (home-page "http://qhull.org") + (license (license:non-copyleft "file://COPYING.txt" + "See COPYING in the distribution.")))) + (define-public units (package (name "units") @@ -1336,6 +1367,7 @@ can solve two kinds of problems: (build-system gnu-build-system) (inputs `(("lapack" ,lapack) + ("qhull" ,qhull) ("readline" ,readline) ("gl2ps" ,gl2ps) ("glpk" ,glpk) |