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authorV3n3RiX <venerix@redcorelinux.org>2020-01-15 15:51:32 +0000
committerV3n3RiX <venerix@redcorelinux.org>2020-01-15 15:51:32 +0000
commit21435953e16cda318a82334ddbadb3b5c36d9ea7 (patch)
treee1810a4b135afce04b34862ef0fab2bfaeb8aeca /sci-libs/cddlib/metadata.xml
parent7bc9c63c9da678a7e6fceb095d56c634afd22c56 (diff)
gentoo resync : 15.01.2020
Diffstat (limited to 'sci-libs/cddlib/metadata.xml')
-rw-r--r--sci-libs/cddlib/metadata.xml35
1 files changed, 27 insertions, 8 deletions
diff --git a/sci-libs/cddlib/metadata.xml b/sci-libs/cddlib/metadata.xml
index a93a12f9174f..eebce0ab1969 100644
--- a/sci-libs/cddlib/metadata.xml
+++ b/sci-libs/cddlib/metadata.xml
@@ -1,29 +1,48 @@
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
+ <maintainer type="person">
+ <email>mjo@gentoo.org</email>
+ </maintainer>
+ <!--
+ mjo: François maintained this package in the sage-on-gentoo overlay
+ long before I moved it into ::gentoo. You don't need an ACK from me
+ to merge his changes.
+ -->
+ <maintainer type="person">
+ <email>frp.bissey@gmail.com</email>
+ <name>François Bissey</name>
+ </maintainer>
+ <maintainer type="project">
+ <email>proxy-maint@gentoo.org</email>
+ <name>Proxy Maintainers</name>
+ </maintainer>
<maintainer type="project">
<email>sci-mathematics@gentoo.org</email>
<name>Gentoo Mathematics Project</name>
</maintainer>
<longdescription lang="en">
- The C-library cddlib is a C implementation of the Double Description
+ The C-library cddlib is a C implementation of the Double Description
Method of Motzkin et al. for generating all vertices (i.e. extreme points)
- and extreme rays of a general convex polyhedron in R^d given by a system
+ and extreme rays of a general convex polyhedron in R^d given by a system
of linear inequalities:
-
+
P = { x=(x1, ..., xd)^T : b - A x &gt;= 0 }
- where A is a given m x d real matrix, b is a given m-vector
+ where A is a given m x d real matrix, b is a given m-vector
and 0 is the m-vector of all zeros.
-
+
The program can be used for the reverse operation (i.e. convex hull
- computation). This means that one can move back and forth between
- an inequality representation and a generator (i.e. vertex and ray)
+ computation). This means that one can move back and forth between
+ an inequality representation and a generator (i.e. vertex and ray)
representation of a polyhedron with cdd. Also, cdd can solve a linear
- programming problem, i.e. a problem of maximizing and minimizing
+ programming problem, i.e. a problem of maximizing and minimizing
a linear function over P.
</longdescription>
<use>
<flag name="tools">Add a few executables and tests for cddlib</flag>
</use>
+ <upstream>
+ <remote-id type="github">cddlib/cddlib</remote-id>
+ </upstream>
</pkgmetadata>