From 5598a2f430dbe0fd6c0472fa54d6534e933a0e95 Mon Sep 17 00:00:00 2001
From: psharda <piyush.suneet@gmail.com>
Date: Mon, 31 Jul 2023 16:08:41 +0200
Subject: [PATCH] add num mass scalars in template

---
 src/HLLC.hpp         | 4 ++--
 src/HydroState.hpp   | 6 +++---
 src/hydro_system.hpp | 6 +++---
 3 files changed, 8 insertions(+), 8 deletions(-)

diff --git a/src/HLLC.hpp b/src/HLLC.hpp
index bdde0d48e..42b5dfcd2 100644
--- a/src/HLLC.hpp
+++ b/src/HLLC.hpp
@@ -18,8 +18,8 @@ namespace quokka::Riemann
 //  Minoshima & Miyoshi, "A low-dissipation HLLD approximate Riemann solver
 //  	for a very wide range of Mach numbers," JCP (2021).]
 //
-template <typename problem_t, int N_scalars, int fluxdim>
-AMREX_FORCE_INLINE AMREX_GPU_DEVICE auto HLLC(quokka::HydroState<N_scalars> const &sL, quokka::HydroState<N_scalars> const &sR, const double gamma,
+template <typename problem_t, int N_scalars, int N_mscalars,  int fluxdim>
+AMREX_FORCE_INLINE AMREX_GPU_DEVICE auto HLLC(quokka::HydroState<N_scalars, N_mscalars> const &sL, quokka::HydroState<N_scalars, N_mscalars> const &sR, const double gamma,
 					      const double du, const double dw) -> quokka::valarray<double, fluxdim>
 {
 	// compute Roe averages
diff --git a/src/HydroState.hpp b/src/HydroState.hpp
index d6dd65afc..1518ac005 100644
--- a/src/HydroState.hpp
+++ b/src/HydroState.hpp
@@ -5,7 +5,7 @@
 
 namespace quokka
 {
-template <int N> struct HydroState {
+template <int Nall, int Nmass> struct HydroState {
 	double rho;			       // density
 	double u;			       // normal velocity component
 	double v;			       // transverse velocity component
@@ -14,8 +14,8 @@ template <int N> struct HydroState {
 	double cs;			       // adiabatic sound speed
 	double E;			       // total energy density
 	double Eint;			       // internal energy density
-	std::array<double, N> scalar;	       // passive scalars
-	amrex::GpuArray<double, N> massScalar; // mass scalars
+	std::array<double, Nall> scalar;	       // passive scalars
+	amrex::GpuArray<double, Nmass> massScalar; // mass scalars
 };
 
 } // namespace quokka
diff --git a/src/hydro_system.hpp b/src/hydro_system.hpp
index d797a9531..a3dba760d 100644
--- a/src/hydro_system.hpp
+++ b/src/hydro_system.hpp
@@ -917,7 +917,7 @@ void HydroSystem<problem_t>::ComputeFluxes(amrex::MultiFab &x1Flux_mf, amrex::Mu
 			velW_index = x2Velocity_index;
 		}
 
-		quokka::HydroState<nscalars_> sL{};
+		quokka::HydroState<nscalars_, nmscalars_> sL{};
 		sL.rho = rho_L;
 		sL.u = x1LeftState(i, j, k, velN_index);
 		sL.v = x1LeftState(i, j, k, velV_index);
@@ -927,7 +927,7 @@ void HydroSystem<problem_t>::ComputeFluxes(amrex::MultiFab &x1Flux_mf, amrex::Mu
 		sL.E = E_L;
 		sL.Eint = Eint_L;
 
-		quokka::HydroState<nscalars_> sR{};
+		quokka::HydroState<nscalars_, nmscalars_> sR{};
 		sR.rho = rho_R;
 		sR.u = x1RightState(i, j, k, velN_index);
 		sR.v = x1RightState(i, j, k, velV_index);
@@ -969,7 +969,7 @@ void HydroSystem<problem_t>::ComputeFluxes(amrex::MultiFab &x1Flux_mf, amrex::Mu
 #endif
 
 		// solve the Riemann problem in canonical form
-		quokka::valarray<double, nvar_> F_canonical = quokka::Riemann::HLLC<problem_t, nscalars_, nvar_>(sL, sR, gamma_, du, dw);
+		quokka::valarray<double, nvar_> F_canonical = quokka::Riemann::HLLC<problem_t, nscalars_, nmscalars_, nvar_>(sL, sR, gamma_, du, dw);
 		quokka::valarray<double, nvar_> F = F_canonical;
 
 		// add artificial viscosity