Added comparison operators for DataRate

src/common/data-rate.cc

@@ -147,6 +147,36 @@ uint64_t DataRate::Parse(const std::string s)
   return v;
 }
 
+bool DataRate::operator < (const DataRate& rhs)
+{
+	return m_bps<rhs.m_bps;
+}
+
+bool DataRate::operator <= (const DataRate& rhs)
+{
+	return m_bps<=rhs.m_bps;
+}
+
+bool DataRate::operator >  (const DataRate& rhs)
+{
+	return m_bps>rhs.m_bps;
+}
+
+bool DataRate::operator >= (const DataRate& rhs)
+{
+	return m_bps>=rhs.m_bps;
+}
+
+bool DataRate::operator == (const DataRate& rhs)
+{
+	return m_bps==rhs.m_bps;
+}
+
+bool DataRate::operator != (const DataRate& rhs)
+{
+	return m_bps!=rhs.m_bps;
+}
+
 double DataRate::CalculateTxTime(uint32_t bytes) const
 {
   return static_cast<double>(bytes)*8/m_bps;

src/common/data-rate.h

@@ -41,6 +41,8 @@ namespace ns3 {
  * uint32_t nBytes = 20;
  * double txtime = x.CalclulateTxTime(nBytes);
  * \endcode
+ * This class also supports the regular comparison operators <, >, <=, >=, ==,
+ * and !=
  */
 class DataRate
 {
@@ -70,6 +72,13 @@ class DataRate
    */
   DataRate (const std::string s);
   
+  bool operator <  (const DataRate& rhs);
+  bool operator <= (const DataRate& rhs);
+  bool operator >  (const DataRate& rhs);
+  bool operator >= (const DataRate& rhs);
+  bool operator == (const DataRate& rhs);
+  bool operator != (const DataRate& rhs);
+  
   /**
    * \brief Calculate transmission time
    *