source $GRIMOIRE/CMAKE_FUNCTIONS
           SPELL=eigen3
          SPELLX=eigen
         VERSION=3.3.9
     SOURCE_HASH=sha512:6f222e27480d02d90f258c94a4a4787771491fc30c73d5fb025a8089484fdeb2c65d464172f5c29d0c3096b69ff98027a18a40c04b006da670733a2c75f55b65
SOURCE_DIRECTORY=$BUILD_DIRECTORY/eigen-$VERSION
          SOURCE=eigen-$VERSION.tar.bz2
	WEB_SITE=https://gitlab.com/libeigen/eigen
   SOURCE_URL[0]=$WEB_SITE/-/archive/$VERSION/$SOURCE
      LICENSE[0]=LGPL
         ENTERED=20110322
        KEYWORDS="linear algebra"
           SHORT="C++ template library for vector and matrix math"
cat << EOF
Eigen is a C++ template library for linear algebra: vectors, matrices,
and related algorithms. It
is versatile, fast, elegant and works on many platforms
EOF
