From 5ce1d84ac1390362e1d9a9536eb5350dc3469ccb Mon Sep 17 00:00:00 2001
From: Joakim Hove <joakim.hove@gmail.com>
Date: Wed, 3 Feb 2016 05:54:24 +0100
Subject: [PATCH] Removed unused SimulatorState comparison.

---
 opm/core/simulator/SimulatorState.cpp | 34 ---------------------------
 opm/core/simulator/SimulatorState.hpp | 20 ----------------
 2 files changed, 54 deletions(-)

diff --git a/opm/core/simulator/SimulatorState.cpp b/opm/core/simulator/SimulatorState.cpp
index e661c24c..94d8b0fa 100644
--- a/opm/core/simulator/SimulatorState.cpp
+++ b/opm/core/simulator/SimulatorState.cpp
@@ -6,40 +6,6 @@
 
 using namespace Opm;
 
-bool
-SimulatorState::equals (const SimulatorState& other,
-                        double epsilon) const {
-    bool equal = (num_phases_ == other.num_phases_);
-
-    // if we use &=, then all the tests will be run regardless
-    equal = equal && vectorApproxEqual( pressure() , other.pressure() , epsilon);
-    equal = equal && vectorApproxEqual( temperature() , other.temperature() , epsilon);
-    equal = equal && vectorApproxEqual( facepressure() , other.facepressure() , epsilon);
-    equal = equal && vectorApproxEqual( faceflux() , other.faceflux() , epsilon);
-    equal = equal && vectorApproxEqual( saturation() , other.saturation() , epsilon);
-
-    return equal;
-}
-
-bool
-SimulatorState::vectorApproxEqual(const std::vector<double>& v1,
-                                  const std::vector<double>& v2,
-                                  double epsilon) {
-    if (v1.size() != v2.size()) {
-        return false;
-    }
-
-    for (size_t i = 0; i < v1.size(); i++) {
-        const double diff = std::abs(v1[i] - v2[i]);
-        const double scale = std::abs(v1[i]) + std::abs(v2[i]);
-        if (diff > epsilon * scale) {
-            return false;
-        }
-    }
-
-    return true;
-}
-
 
 void
 SimulatorState::init(int number_of_cells, int number_of_faces, int num_phases)
diff --git a/opm/core/simulator/SimulatorState.hpp b/opm/core/simulator/SimulatorState.hpp
index 41e89fc5..6748454d 100644
--- a/opm/core/simulator/SimulatorState.hpp
+++ b/opm/core/simulator/SimulatorState.hpp
@@ -47,13 +47,6 @@ namespace Opm
         const std::vector<double>& faceflux    () const { return faceData_[ faceFluxId_ ];        }
         const std::vector<double>& saturation  () const { return cellData_[ saturationId_ ];  }
 
-        /**
-         * Compare this state with another, to see if they are different
-         * only within a small margin.
-         */
-        virtual bool equals(const SimulatorState& other,
-                            double epsilon = 1e-8) const;
-
         std::vector< std::vector<double> >& cellData() { return cellData_; }
         const std::vector< std::vector<double> >& cellData() const { return cellData_; }
 
@@ -80,19 +73,6 @@ namespace Opm
         /// \brief names for the face data
         std::vector< std::string > faceDataNames_;
 
-    protected:
-        /**
-         * Check if two vectors are equal within a margin.
-         *
-         * @param epsilon Relative difference that is tolerated for the
-         *                vectors to still be considered equal.
-         *
-         * @return True if every element is within the margin, false if
-         *         there is at least one that is not.
-         */
-        static bool vectorApproxEqual(const std::vector<double>& v1,
-                                      const std::vector<double>& v2,
-                                      double epsilon);
     };
 
 } // namespace Opm