2 files changed, 46 insertions, 0 deletions
diff --git a/utils/small_vector.h b/utils/small_vector.h
index c8cbcb2c..f16bc898 100644
--- a/utils/small_vector.h
+++ b/utils/small_vector.h
@@ -15,6 +15,7 @@
 #include <new>
 #include <stdint.h>
 #include <boost/functional/hash.hpp>
+#include <boost/serialization/map.hpp>
 
 //sizeof(T)/sizeof(T*)>1?sizeof(T)/sizeof(T*):1
 
@@ -297,6 +298,21 @@ public:
     return hash_range(data_.ptr,data_.ptr+size_);
   }
 
+  template<class Archive>
+  void save(Archive & ar, const unsigned int) const {
+    ar & size_;
+    for (unsigned i = 0; i < size_; ++i)
+      ar & (*this)[i];
+  }
+  template<class Archive>
+  void load(Archive & ar, const unsigned int) {
+    uint16_t s;
+    ar & s;
+    this->resize(s);
+    for (unsigned i = 0; i < size_; ++i)
+      ar & (*this)[i];
+  }
+  BOOST_SERIALIZATION_SPLIT_MEMBER()
  private:
   union StorageType {
     T vals[SV_MAX];
diff --git a/utils/small_vector_test.cc b/utils/small_vector_test.cc
index a4eb89ae..9e1a148d 100644
--- a/utils/small_vector_test.cc
+++ b/utils/small_vector_test.cc
@@ -3,6 +3,10 @@
 #define BOOST_TEST_MODULE svTest
 #include <boost/test/unit_test.hpp>
 #include <boost/test/floating_point_comparison.hpp>
+#include <boost/archive/text_oarchive.hpp>
+#include <boost/archive/text_iarchive.hpp>
+#include <string>
+#include <sstream>
 #include <iostream>
 #include <vector>
 
@@ -128,3 +132,29 @@ BOOST_AUTO_TEST_CASE(Small) {
   cerr << sizeof(SmallVectorInt) << endl;
   cerr << sizeof(vector<int>) << endl;
 }
+
+BOOST_AUTO_TEST_CASE(Serialize) {
+  std::string in;
+  {
+    SmallVectorInt v;
+    v.push_back(0);
+    v.push_back(1);
+    v.push_back(-2);
+    ostringstream os;
+    boost::archive::text_oarchive oa(os);
+    oa << v;
+    in = os.str();
+    cerr << in;
+  }
+  {
+    istringstream is(in);
+    boost::archive::text_iarchive ia(is);
+    SmallVectorInt v;
+    ia >> v;
+    BOOST_CHECK_EQUAL(v.size(), 3);
+    BOOST_CHECK_EQUAL(v[0], 0);
+    BOOST_CHECK_EQUAL(v[1], 1);
+    BOOST_CHECK_EQUAL(v[2], -2);
+  }
+}
+