Added main file to test simulations

src/main/test_scalar.jl

@@ -0,0 +1,63 @@
+using CUDA, Logging, StructArrays, Random
+
+CUDA.allowscalar(true)
+import Pkg
+Pkg.activate("/lhome/ific/a/alramos/s.images/julia/workspace/LatticeGPU")
+#Pkg.activate("/home/alberto/code/julia/LatticeGPU")
+using LatticeGPU
+
+lp = SpaceParm{4}((64,64,64,64), (4,4,4,4))
+gp = GaugeParm(6.0, 1.0, (0.0,0.0), 2)
+sp = ScalarParm((0.2,0.3), (1.0,0.4))
+
+NSC = length(sp.kap)
+println("Space  Parameters: ", lp)
+println("Gauge  Parameters: ", gp)
+println("Scalar Parameters: ", sp)
+GRP  = SU2
+ALG  = SU2alg
+SCL  = SU2fund
+PREC = Float64
+println("Precision:         ", PREC)
+
+println("Allocating YM workspace")
+ymws = YMworkspace(GRP, PREC, lp)
+println("Allocating Scalar workspace")
+sws  = ScalarWorkspace(PREC, NSC, lp)
+
+# Seed RNG
+println("Seeding CURAND...")
+Random.seed!(CURAND.default_rng(), 1234)
+Random.seed!(1234)
+
+# Main program
+println("Allocating gauge field")
+U = vector_field(GRP{PREC}, lp)
+fill!(U, one(GRP{PREC}))
+println("Allocating scalar field")
+Phi = nscalar_field(SCL{PREC}, NSC, lp)
+fill!(Phi, zero(SCL{PREC}))
+
+println("Initial Action: ")
+@time S = gauge_action(U, lp, gp, ymws) + scalar_action(U, Phi, lp, sp, ymws)
+
+
+dt  = 0.05
+ns  = 20
+
+println("## Thermalization")
+pl = Vector{Float64}()
+for i in 1:10
+    @time dh, acc = HMC!(U,Phi, dt,ns,lp, gp, sp, ymws, sws, noacc=true)
+    println("# HMC: ", acc, " ", dh)
+    push!(pl, plaquette(U,lp, gp, ymws))
+    println("# Plaquette: ", pl[end], "\n")
+end
+
+println("## Production")
+for i in 1:10
+    @time dh, acc = HMC!(U,Phi, dt,ns,lp, gp, sp, ymws, sws)
+    println("# HMC: ", acc, " ", dh)
+    push!(pl, plaquette(U,lp, gp, ymws))
+    println("# Plaquette: ", pl[end], "\n")
+end