From 3954dbebcff5d41ba0660e6c501de90726d3487a Mon Sep 17 00:00:00 2001
From: Anna Mareike Kostelecky <anmako96@web.de>
Date: Mon, 4 Sep 2023 16:50:19 +0200
Subject: [PATCH] [md][dualnetwork][couplingmanager] add 'constexpr'

---
 dumux/multidomain/dualnetwork/couplingmanager.hh | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/dumux/multidomain/dualnetwork/couplingmanager.hh b/dumux/multidomain/dualnetwork/couplingmanager.hh
index 70addc0e6d..628b516a1a 100644
--- a/dumux/multidomain/dualnetwork/couplingmanager.hh
+++ b/dumux/multidomain/dualnetwork/couplingmanager.hh
@@ -324,7 +324,7 @@ public:
             const Scalar t = getConnectionTransmissiblity(domainI, connection, elemVolVars, scv);
             const Scalar deltaT = [&]
             {
-                if(domainI == solidDomainIdx)
+                if constexpr(domainI == solidDomainIdx)
                     return solidSol[scv.dofIndex()][Indices<solidDomainIdx>::temperatureIdx] - voidSol[connection.voidVertexIdx][Indices<voidDomainIdx>::temperatureIdx];
                 else //voidDomainIdx
                     return voidSol[scv.dofIndex()][Indices<voidDomainIdx>::temperatureIdx] - solidSol[connection.solidVertexIdx][Indices<solidDomainIdx>::temperatureIdx];
@@ -532,7 +532,7 @@ public:
             const Scalar t = this->problem(voidDomainIdx).getInternalReferenceHeatTransmissibilityCoupling();
             const Scalar deltaT = [&]
             {
-                if(domainI == solidDomainIdx)
+                if constexpr(domainI == solidDomainIdx)
                     return solidSol[scv.dofIndex()][Indices<solidDomainIdx>::temperatureIdx] - voidSol[connection.voidVertexIdx][Indices<voidDomainIdx>::temperatureIdx];
                 else //voidDomainIdx
                     return voidSol[scv.dofIndex()][Indices<voidDomainIdx>::temperatureIdx] - solidSol[connection.solidVertexIdx][Indices<solidDomainIdx>::temperatureIdx];
-- 
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