From cf54677dac448084f38cf54d2596a2078492fce6 Mon Sep 17 00:00:00 2001
From: graehl <graehl@ec762483-ff6d-05da-a07a-a48fb63a330f>
Date: Fri, 13 Aug 2010 08:28:58 +0000
Subject: boost::hash

git-svn-id: https://ws10smt.googlecode.com/svn/trunk@540 ec762483-ff6d-05da-a07a-a48fb63a330f
---
 utils/small_vector.h | 17 ++++++++++-------
 1 file changed, 10 insertions(+), 7 deletions(-)

(limited to 'utils/small_vector.h')

diff --git a/utils/small_vector.h b/utils/small_vector.h
index 8c1c3bfe..f1e53a51 100644
--- a/utils/small_vector.h
+++ b/utils/small_vector.h
@@ -252,13 +252,12 @@ public:
     swap_pod(*this,o);
   }
 
-  inline std::size_t hash() const {
-    using namespace boost;
+  inline std::size_t hash_impl() const {
     if (size_==0) return 0;
-    if (size_==1) return hash_value(data_.vals[0]);
+//    if (size_==1) return boost::hash_value(data_.vals[0]);
     if (size<= SV_MAX)
-      return hash_range(data_.vals,data_.vals+size_);
-    return hash_range(data_.ptr,data_.ptr+size_);
+      return boost::hash_range(data_.vals,data_.vals+size_);
+    return boost::hash_range(data_.ptr,data_.ptr+size_);
   }
 
  private:
@@ -271,9 +270,13 @@ public:
   uint16_t capacity_;  // only defined when size_ > __SV_MAX_STATIC
 };
 
+namespace boost {
+// shouldn't need to nest this, but getting into trouble with tr1::hash linkage
+}
+
 template <class T,int M>
-std::size_t hash_value(SmallVector<T,M> const& x) {
-  return x.hash();
+inline std::size_t hash_value(SmallVector<T,M> const& x) {
+  return x.hash_impl();
 }
 
 template <class T,int M>
-- 
cgit v1.2.3