From 667675465486e1f9729931c0b38b5a1124a1c000 Mon Sep 17 00:00:00 2001
From: graehl <graehl@ec762483-ff6d-05da-a07a-a48fb63a330f>
Date: Tue, 10 Aug 2010 23:49:33 +0000
Subject: CFG binarize opts

git-svn-id: https://ws10smt.googlecode.com/svn/trunk@503 ec762483-ff6d-05da-a07a-a48fb63a330f
---
 decoder/hg_cfg.h | 42 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 42 insertions(+)
 create mode 100755 decoder/hg_cfg.h

(limited to 'decoder/hg_cfg.h')

diff --git a/decoder/hg_cfg.h b/decoder/hg_cfg.h
new file mode 100755
index 00000000..0a3eb53c
--- /dev/null
+++ b/decoder/hg_cfg.h
@@ -0,0 +1,42 @@
+#ifndef HG_CFG_H
+#define HG_CFG_H
+
+#include "cfg.h"
+
+class Hypergraph;
+
+// in case you might want the CFG whether or not you apply FSA models:
+struct HgCFG {
+  HgCFG(Hypergraph const& ih) : ih(ih) { have_cfg=binarized=false; }
+  Hypergraph const& ih;
+  CFG cfg;
+  bool have_cfg;
+  void InitCFG(CFG &to) {
+    to.Init(ih,true,false,true);
+  }
+  bool binarized;
+  CFG &GetCFG()
+  {
+    if (!have_cfg) {
+      have_cfg=true;
+      InitCFG(cfg);
+    }
+    return cfg;
+  }
+  void GiveCFG(CFG &to) {
+    if (!have_cfg)
+      InitCFG(to);
+    else {
+      have_cfg=false;
+      to.Clear();
+      to.Swap(cfg);
+    }
+  }
+  CFG const& GetCFG() const {
+    assert(have_cfg);
+    return cfg;
+  }
+};
+
+
+#endif
-- 
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