From f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2 Mon Sep 17 00:00:00 2001
From: Ian Hodson <idh@google.com>
Date: Wed, 30 May 2012 21:27:06 +0100
Subject: Add openfst to external, as used by GoogleTTS

Moved from GoogleTTS

Change-Id: I6bc6bdadaa53bd0f810b88443339f6d899502cc8
---
 src/script/union.cc | 37 +++++++++++++++++++++++++++++++++++++
 1 file changed, 37 insertions(+)
 create mode 100644 src/script/union.cc

(limited to 'src/script/union.cc')

diff --git a/src/script/union.cc b/src/script/union.cc
new file mode 100644
index 0000000..21b8a44
--- /dev/null
+++ b/src/script/union.cc
@@ -0,0 +1,37 @@
+
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+// Copyright 2005-2010 Google, Inc.
+// Author: jpr@google.com (Jake Ratkiewicz)
+
+#include <fst/script/fst-class.h>
+#include <fst/script/script-impl.h>
+#include <fst/script/union.h>
+
+namespace fst {
+namespace script {
+
+void Union(MutableFstClass *fst1, const FstClass &fst2) {
+  if (!ArcTypesMatch(*fst1, fst2, "Union")) return;
+
+  UnionArgs args(fst1, fst2);
+
+  Apply<Operation<UnionArgs> >("Union", fst1->ArcType(), &args);
+}
+
+REGISTER_FST_OPERATION(Union, StdArc, UnionArgs);
+REGISTER_FST_OPERATION(Union, LogArc, UnionArgs);
+REGISTER_FST_OPERATION(Union, Log64Arc, UnionArgs);
+
+}  // namespace script
+}  // namespace fst
-- 
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