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-rwxr-xr-xdecoder/cfg.cc9
1 files changed, 8 insertions, 1 deletions
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) {