From c97aa324f1913d51c31c3b95a3f5c130a779f5af Mon Sep 17 00:00:00 2001
From: Dmitri Naumov <dmitri.naumov@ufz.de>
Date: Wed, 27 Nov 2019 14:39:40 +0100
Subject: [PATCH] [MatL] Remove unused getGasDensityDerivative().

TwoPhaseFlowWithPPMaterialProperties::getGasDensityDerivative
---
 .../TwoPhaseFlowWithPPMaterialProperties.cpp           | 10 ----------
 .../TwoPhaseFlowWithPPMaterialProperties.h             |  1 -
 2 files changed, 11 deletions(-)

diff --git a/MaterialLib/TwoPhaseModels/TwoPhaseFlowWithPPMaterialProperties.cpp b/MaterialLib/TwoPhaseModels/TwoPhaseFlowWithPPMaterialProperties.cpp
index 20509469206..bbea95d169b 100644
--- a/MaterialLib/TwoPhaseModels/TwoPhaseFlowWithPPMaterialProperties.cpp
+++ b/MaterialLib/TwoPhaseModels/TwoPhaseFlowWithPPMaterialProperties.cpp
@@ -90,16 +90,6 @@ double TwoPhaseFlowWithPPMaterialProperties::getGasDensity(const double p,
     return _gas_density->getValue(vars);
 }
 
-double TwoPhaseFlowWithPPMaterialProperties::getGasDensityDerivative(
-    const double p, const double T) const
-{
-    ArrayType vars;
-    vars[static_cast<int>(MaterialLib::Fluid::PropertyVariableType::T)] = T;
-    vars[static_cast<int>(MaterialLib::Fluid::PropertyVariableType::p)] = p;
-
-    return _gas_density->getdValue(vars,
-                                   MaterialLib::Fluid::PropertyVariableType::p);
-}
 double TwoPhaseFlowWithPPMaterialProperties::getLiquidViscosity(
     const double p, const double T) const
 {
diff --git a/MaterialLib/TwoPhaseModels/TwoPhaseFlowWithPPMaterialProperties.h b/MaterialLib/TwoPhaseModels/TwoPhaseFlowWithPPMaterialProperties.h
index 618bf871e24..a5576ffee84 100644
--- a/MaterialLib/TwoPhaseModels/TwoPhaseFlowWithPPMaterialProperties.h
+++ b/MaterialLib/TwoPhaseModels/TwoPhaseFlowWithPPMaterialProperties.h
@@ -98,7 +98,6 @@ public:
     double getGasDensity(const double p, const double T) const;
     double getGasViscosity(const double p, const double T) const;
     double getLiquidViscosity(const double p, const double T) const;
-    double getGasDensityDerivative(double const p, double const T) const;
     double getNonwetRelativePermeability(
         const double t, const ParameterLib::SpatialPosition& pos,
         const double p, const double T, const double saturation) const;
-- 
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