reduce some more allocations

Author: JoshuaLampert

src/equations/svaerd_kalisch_1d.jl

@@ -241,10 +241,10 @@ function rhs!(du_ode, u_ode, t, mesh, equations::SvaerdKalischEquations1D,
 
     # split form
     @timeit timer() "dv hyperbolic" begin
-        dv[:] = -(0.5 * (D1_central * (hv .* v) + hv .* D1v - v .* (D1_central * hv)) +
-                  equations.gravity * h .* D1eta +
-                  0.5 * (vD1y - D1vy - yD1v) -
-                  0.5 * D1_central * (gamma_hat .* (solver.D2 * v)) -
+        dv[:] = -(0.5 * (D1_central * (hv .* v) .+ hv .* D1v .- v .* (D1_central * hv)) .+
+                  equations.gravity * h .* D1eta .+
+                  0.5 * (vD1y .- D1vy .- yD1v) .-
+                  0.5 * D1_central * (gamma_hat .* (solver.D2 * v)) .-
                   0.5 * solver.D2 * (gamma_hat .* D1v))
     end