metis: migrate from homebrew/science

Closes #15838.

Signed-off-by: FX Coudert <fxcoudert@gmail.com>

Formula/metis.rb

@@ -0,0 +1,27 @@
+class Metis < Formula
+  desc "Programs that partition graphs and order matrices"
+  homepage "http://glaros.dtc.umn.edu/gkhome/views/metis"
+  url "http://glaros.dtc.umn.edu/gkhome/fetch/sw/metis/metis-5.1.0.tar.gz"
+  sha256 "76faebe03f6c963127dbb73c13eab58c9a3faeae48779f049066a21c087c5db2"
+
+  depends_on "cmake" => :build
+
+  def install
+    system "make", "config", "prefix=#{prefix}", "shared=1"
+    system "make", "install"
+
+    pkgshare.install "graphs"
+  end
+
+  test do
+    ["4elt", "copter2", "mdual"].each do |g|
+      cp pkgshare/"graphs/#{g}.graph", testpath
+      system "#{bin}/graphchk", "#{g}.graph"
+      system "#{bin}/gpmetis", "#{g}.graph", "2"
+      system "#{bin}/ndmetis", "#{g}.graph"
+    end
+    cp [pkgshare/"graphs/test.mgraph", pkgshare/"graphs/metis.mesh"], testpath
+    system "#{bin}/gpmetis", "test.mgraph", "2"
+    system "#{bin}/mpmetis", "metis.mesh", "2"
+  end
+end