From 866f53951920d02d4bf705865eb86132bb819034 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Atgeirr=20Fl=C3=B8=20Rasmussen?= <atgeirr@sintef.no>
Date: Tue, 20 Mar 2012 10:15:33 +0100
Subject: [PATCH] Added RockCompressibility::isActive() method.

---
 opm/core/fluid/RockCompressibility.cpp | 5 +++++
 opm/core/fluid/RockCompressibility.hpp | 4 ++++
 2 files changed, 9 insertions(+)

diff --git a/opm/core/fluid/RockCompressibility.cpp b/opm/core/fluid/RockCompressibility.cpp
index dac8c37c..7ca7acfb 100644
--- a/opm/core/fluid/RockCompressibility.cpp
+++ b/opm/core/fluid/RockCompressibility.cpp
@@ -57,6 +57,11 @@ namespace Opm
         }
     }
 
+    bool RockCompressibility::isActive() const
+    {
+        return p_.empty() && (rock_comp_ == 0.0);
+    }
+
     double RockCompressibility::poroMult(double pressure)
     {
         if (p_.empty()) {
diff --git a/opm/core/fluid/RockCompressibility.hpp b/opm/core/fluid/RockCompressibility.hpp
index 5ae1a9ba..94220d31 100644
--- a/opm/core/fluid/RockCompressibility.hpp
+++ b/opm/core/fluid/RockCompressibility.hpp
@@ -32,6 +32,7 @@ namespace Opm
     {
     public:
         /// Construct from input deck.
+        /// Looks for the keywords ROCK and ROCKTAB.
         RockCompressibility(const EclipseGridParser& deck);
 
         /// Construct from parameters.
@@ -40,6 +41,9 @@ namespace Opm
         ///    rock_compressibility      (0.0)     [given in bar^{-1}]
         RockCompressibility(const parameter::ParameterGroup& param);
 
+        /// Returns true if there are compressibility effects.
+        bool isActive() const;
+
         /// Porosity multiplier.
         double poroMult(double pressure);