From eda46d4fbe5dad5cc9aac465dd5fd355cda68bbf Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?B=C3=A5rd=20Skaflestad?= <Bard.Skaflestad@sintef.no>
Date: Wed, 9 May 2012 16:09:13 +0200
Subject: [PATCH] Add a query method to answer whether or not the deck defines
 any wells.

---
 opm/core/WellsManager.cpp | 6 ++++++
 opm/core/WellsManager.hpp | 4 +++-
 2 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/opm/core/WellsManager.cpp b/opm/core/WellsManager.cpp
index 6d3b782e3..5c6efb53d 100644
--- a/opm/core/WellsManager.cpp
+++ b/opm/core/WellsManager.cpp
@@ -672,6 +672,12 @@ namespace Opm
     }
 
 
+    /// Does the "deck" define any wells?
+    bool WellsManager::empty() const
+    {
+        return (w_ == 0) || (w_->number_of_wells == 0);
+    }
+
 
 
     /// Access the managed Wells.
diff --git a/opm/core/WellsManager.hpp b/opm/core/WellsManager.hpp
index cdae43c16..32b04e034 100644
--- a/opm/core/WellsManager.hpp
+++ b/opm/core/WellsManager.hpp
@@ -53,7 +53,9 @@ namespace Opm
 
 	/// Destructor.
 	~WellsManager();
-        
+
+        /// Does the "deck" define any wells?
+        bool empty() const;
         
 	/// Access the managed Wells.
 	/// The method is named similarly to c_str() in std::string,