BugID: 778

Add function to check if all states match some given state.

MAC/APL/RTCCommon/include/APL/RTCCommon/RegisterState.h

@@ -112,7 +112,9 @@ namespace LOFAR {
 	void clear(int i = -1);
 	void reset(int i = -1);
 
-	State get(int i);
+	State get(int i) const;
+	int   getMatchCount(blitz::Range r, State matchstate) const;
+
 	void print(std::ostream& out) const;
 
       public:

MAC/APL/RTCCommon/src/RegisterState.cc

@@ -27,13 +27,19 @@
 using namespace std;
 using namespace LOFAR;
 using namespace RTC;
+using namespace blitz;
 
-RegisterState::State RegisterState::get(int i)
+RegisterState::State RegisterState::get(int i) const
 {
   ASSERT(i >= 0 && i < m_state.extent(blitz::firstDim));
   return m_state(i);
 }
 
+int RegisterState::getMatchCount(Range r, State matchstate) const
+{
+  return sum(where(m_state(r) == matchstate, 1, 0));
+}
+
 void RegisterState::print(std::ostream& out) const
 {
   for (int i = 0; i < m_state.extent(blitz::firstDim); i++) {