From 71eb8b4500ad745710c4f29dd9e97793cea43b0b Mon Sep 17 00:00:00 2001
From: graehl <graehl@ec762483-ff6d-05da-a07a-a48fb63a330f>
Date: Thu, 12 Aug 2010 01:21:10 +0000
Subject: decoder->utils

git-svn-id: https://ws10smt.googlecode.com/svn/trunk@533 ec762483-ff6d-05da-a07a-a48fb63a330f
---
 utils/batched_append.h | 25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)
 create mode 100755 utils/batched_append.h

(limited to 'utils/batched_append.h')

diff --git a/utils/batched_append.h b/utils/batched_append.h
new file mode 100755
index 00000000..14a6d576
--- /dev/null
+++ b/utils/batched_append.h
@@ -0,0 +1,25 @@
+#ifndef BATCHED_APPEND_H
+#define BATCHED_APPEND_H
+
+#include <algorithm> //swap
+#include <cstddef>
+
+template <class SRange,class Vector>
+void batched_append(Vector &v,SRange const& s) {
+  std::size_t news=v.size()+s.size();
+  v.reserve(news);
+  v.insert(v.end(),s.begin(),s.end());
+}
+
+template <class SRange,class Vector>
+void batched_append_swap(Vector &v,SRange & s) {
+  using namespace std; // to find the right swap
+  size_t i=v.size();
+  size_t news=i+s.size();
+  v.resize(news);
+  typename SRange::iterator si=s.begin();
+  for (;i<news;++i,++si)
+    swap(v[i],*si);
+}
+
+#endif
-- 
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