From a94f71b8eb7e072e0c537be86a399bc178233c1c Mon Sep 17 00:00:00 2001
From: Timo Koch <timo.koch@iws.uni-stuttgart.de>
Date: Wed, 19 Dec 2018 15:26:53 +0100
Subject: [PATCH] Remove unused variable warning

---
 exercises/exercise-biomineralization/biominproblem.hh           | 2 +-
 exercises/exercise-coupling-ff-pm/models/ex_models_pmproblem.hh | 2 +-
 .../exercise-coupling-ff-pm/models/ex_models_pmproblem.hh       | 2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/exercises/exercise-biomineralization/biominproblem.hh b/exercises/exercise-biomineralization/biominproblem.hh
index f015d7ed..5b1a8b28 100644
--- a/exercises/exercise-biomineralization/biominproblem.hh
+++ b/exercises/exercise-biomineralization/biominproblem.hh
@@ -280,7 +280,6 @@ public:
         NumEqVector values(0.0);
 
         Scalar waterFlux = injVolumeflux_; // divide by area if area not 1! [m/s]
-        Scalar gasFlux = injCO2_; // divide by area if area not 1! [m/s]
 
         // Set values for Ca + urea injection above aquitard.
         // Use negative values for injection.
@@ -297,6 +296,7 @@ public:
         // Set CO2 injection below aquitard after the injBioTime
         else
         {
+            // Scalar gasFlux = injCO2_; // divide by area if area not 1! [m/s]
             values = 0.0; //mol/m²/s
         }
 
diff --git a/exercises/exercise-coupling-ff-pm/models/ex_models_pmproblem.hh b/exercises/exercise-coupling-ff-pm/models/ex_models_pmproblem.hh
index fb4f258c..357d7909 100644
--- a/exercises/exercise-coupling-ff-pm/models/ex_models_pmproblem.hh
+++ b/exercises/exercise-coupling-ff-pm/models/ex_models_pmproblem.hh
@@ -190,7 +190,7 @@ public:
 
             for (auto&& scv : scvs(fvGeometry))
             {
-                const auto& volVars = elemVolVars[scv];
+                // const auto& volVars = elemVolVars[scv];
                 // insert calculation of the water mass here
                 waterMass += 0.0;
             }
diff --git a/exercises/solution/exercise-coupling-ff-pm/models/ex_models_pmproblem.hh b/exercises/solution/exercise-coupling-ff-pm/models/ex_models_pmproblem.hh
index cb79f6a3..00a48073 100644
--- a/exercises/solution/exercise-coupling-ff-pm/models/ex_models_pmproblem.hh
+++ b/exercises/solution/exercise-coupling-ff-pm/models/ex_models_pmproblem.hh
@@ -231,11 +231,11 @@ public:
 
             for (auto&& scv : scvs(fvGeometry))
             {
-                const auto& volVars = elemVolVars[scv];
                 for(int phaseIdx = 0; phaseIdx < FluidSystem::numPhases; ++phaseIdx)
                 {
                     // insert calculation of the water mass here
 #if EXNUMBER >= 2
+                    const auto& volVars = elemVolVars[scv];
                     waterMass += volVars.massFraction(phaseIdx, FluidSystem::H2OIdx) * volVars.density(phaseIdx)
                                  * volVars.saturation(phaseIdx) * volVars.porosity()
                                  * scv.volume() * volVars.extrusionFactor();
-- 
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