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|
{ stdenv
, fetchurl
, dimensions ? 6 # works for <= dimensions dimensions, but is only optimized for that exact value
, doSymlink ? true # symlink the executables to the default location (without dimension postfix)
}:
let
dim = toString dimensions;
in
stdenv.mkDerivation rec {
pname = "palp";
version = "2.1";
src = fetchurl {
url = "http://hep.itp.tuwien.ac.at/~kreuzer/CY/palp/palp-${version}.tar.gz";
sha256 = "1s7s2lc5f0ig1yy7ygsh3sddm3sbq4mxwybqsj8lp9wjdxs7qfrs";
};
hardeningDisable = [
"format"
"strictoverflow" # causes runtime failure (tested in checkPhase)
];
patchPhase = stdenv.lib.optionalString stdenv.isDarwin ''
substituteInPlace GNUmakefile --replace gcc cc
'';
preBuild = ''
echo Building PALP optimized for ${dim} dimensions
sed -i "s/^#define[^a-zA-Z]*POLY_Dmax.*/#define POLY_Dmax ${dim}/" Global.h
'';
# palp has no tests of its own. This test is an adapted sage test that failed
# when #28029 was merged.
doCheck = true;
checkPhase = ''
./nef.x -f -N << EOF | grep -q 'np='
3 6
1 0 0 -1 0 0
0 1 0 0 -1 0
0 0 1 0 0 -1
EOF
'';
installPhase = ''
mkdir -p "$out/bin"
for file in poly class cws nef mori; do
cp -p $file.x "$out/bin/$file-${dim}d.x"
done
'' + stdenv.lib.optionalString doSymlink ''
cd "$out/bin"
for file in poly class cws nef mori; do
ln -sf $file-6d.x $file.x
done
'';
meta = with stdenv.lib; {
description = "A Package for Analyzing Lattice Polytopes";
longDescription = ''
A Package for Analyzing Lattice Polytopes (PALP) is a set of C
programs for calculations with lattice polytopes and applications to
toric geometry.
It contains routines for vertex and facet enumeration, computation of
incidences and symmetries, as well as completion of the set of lattice
points in the convex hull of a given set of points. In addition, there
are procedures specialised to reflexive polytopes such as the
enumeration of reflexive subpolytopes, and applications to toric
geometry and string theory, like the computation of Hodge data and
fibration structures for toric Calabi-Yau varieties. The package is
well tested and optimised in speed as it was used for time consuming
tasks such as the classification of reflexive polyhedra in 4
dimensions and the creation and manipulation of very large lists of
5-dimensional polyhedra.
While originally intended for low-dimensional applications, the
algorithms work in any dimension and our key routine for vertex and
facet enumeration compares well with existing packages.
'';
homepage = "http://hep.itp.tuwien.ac.at/~kreuzer/CY/CYpalp.html";
# Just a link on the website pointing to gpl -- now gplv3. When the last
# version was released that pointed to gplv2 however, so thats probably
# the right license.
license = licenses.gpl2;
maintainers = with maintainers; [ timokau ];
platforms = platforms.unix;
};
}
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