From 0af7d663194beddcde420349bbd91430e0b2e423 Mon Sep 17 00:00:00 2001
From: Guest_account Guest_account prguest11 <prguest11@taipan.cs>
Date: Tue, 11 Oct 2011 16:16:53 +0100
Subject: remove implicit conversion-to-double operator from LogVal<T> that
 caused overflow errors, clean up some pf code

---
 decoder/trule.h | 15 ++++++++++++++-
 1 file changed, 14 insertions(+), 1 deletion(-)

(limited to 'decoder/trule.h')

diff --git a/decoder/trule.h b/decoder/trule.h
index 4df4ec90..8eb2a059 100644
--- a/decoder/trule.h
+++ b/decoder/trule.h
@@ -5,7 +5,9 @@
 #include <vector>
 #include <cassert>
 #include <iostream>
-#include <boost/shared_ptr.hpp>
+
+#include "boost/shared_ptr.hpp"
+#include "boost/functional/hash.hpp"
 
 #include "sparse_vector.h"
 #include "wordid.h"
@@ -162,4 +164,15 @@ class TRule {
   bool SanityCheck() const;
 };
 
+inline size_t hash_value(const TRule& r) {
+  size_t h = boost::hash_value(r.e_);
+  boost::hash_combine(h, -r.lhs_);
+  boost::hash_combine(h, boost::hash_value(r.f_));
+  return h;
+}
+
+inline bool operator==(const TRule& a, const TRule& b) {
+  return (a.lhs_ == b.lhs_ && a.e_ == b.e_ && a.f_ == b.f_);
+}
+
 #endif
-- 
cgit v1.2.3