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require "formula"
class OpengrmNgram < Formula
homepage "http://www.openfst.org/twiki/bin/view/GRM/NGramLibrary"
url "http://openfst.cs.nyu.edu/twiki/pub/GRM/NGramDownload/opengrm-ngram-1.1.0.tar.gz"
sha1 "a2ceeaf6ac129b66d2682d76a20388cf1d4b8c31"
depends_on "openfst"
resource "earnest" do
url "http://www.openfst.org/twiki/pub/GRM/NGramQuickTour/earnest.txt"
sha1 "122c72f34a41ecb5e21102724938756fdfe349ec"
end
def install
ENV.libstdcxx if ENV.compiler == :clang && MacOS.version >= :mavericks
system "./configure", "--prefix=#{prefix}",
"--disable-dependency-tracking"
system "make install"
end
test do
resource("earnest").stage do
fname = "earnest.txt"
# tests using normalized The Importance of Being Earnest, based on
# examples from the OpenGRM "NGram quick tour" page...
system "ngramsymbols", fname, "e.syms"
system "farcompilestrings", "-symbols=e.syms",
"-keep_symbols=1",
fname, "e.far"
system "ngramcount", "-order=5", "e.far", "e.cnts"
system "ngrammake", "e.cnts", "e.mod"
system "ngramshrink", "-method=relative_entropy", "e.mod", "e.pru"
system "ngramprint", "--ARPA", "e.mod"
system "ngraminfo", "e.mod"
end
end
end
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