From 192aa50db953cf4adc4cca34ed1cdfa45511aeeb Mon Sep 17 00:00:00 2001
From: graehl <graehl@ec762483-ff6d-05da-a07a-a48fb63a330f>
Date: Wed, 11 Aug 2010 03:24:52 +0000
Subject: prettier --nt-span=1 binarized labels

git-svn-id: https://ws10smt.googlecode.com/svn/trunk@522 ec762483-ff6d-05da-a07a-a48fb63a330f
---
 decoder/cfg.cc | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/decoder/cfg.cc b/decoder/cfg.cc
index 3ee3a94b..81a17355 100755
--- a/decoder/cfg.cc
+++ b/decoder/cfg.cc
@@ -13,9 +13,16 @@ namespace {
 CFG::BinRhs nullrhs(std::numeric_limits<int>::min(),std::numeric_limits<int>::min());
 }
 
+
 WordID CFG::BinName(BinRhs const& b)
 {
-  return TD::Convert(lexical_cast<string>(b.first)+"+"+lexical_cast<string>(b.second));
+  ostringstream o;
+#define BinNameOWORD(w) do { int n=w; if (n>0) o << TD::Convert(n); else { o << 'V' << -n; } } while(0)
+  BinNameOWORD(b.first);
+  o<<'+';
+  BinNameOWORD(b.second);
+#undef BinNameOWORD
+  return TD::Convert(o.str());
 }
 
 void CFG::Binarize(CFGBinarize const& b) {
-- 
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