Volume sum improvement. Some io features.

src/io.jl

@@ -60,7 +60,7 @@ function load_structs()
     global dpar = DiracParam{Float64}(SU3fund,(1/(2*params["Fermion"]["kappa"])) - 4,params["Fermion"]["csw"],ntuple(i -> exp(((i!=4)*im*params["Fermion"]["theta"]/lp.iL[i]) + ((i==4)*im*params["Fermion"]["theta_t"]/lp.iL[i])),4),0.0,params["Fermion"]["ct"]);
     global dws = DiracWorkspace(SU3fund,Float64,lp);
     global ymws = YMworkspace(SU3,Float64,lp);
-    global int = wfl_rk3(Float64, 0.1, 1.0)
+    global int = wfl_rk3(Float64, params["Frontflow"]["epsilon"], 1.0)
     global intsch = omf4(Float64,params["HMC"]["eps"], params["HMC"]["ns"]);
 
     global flow_times = params["Backflow"]["Flow_times"]
@@ -93,6 +93,7 @@ function write_log()
 
     println(log_file,"Parameters:")
     println(log_file,"Lattice size:        ", lp.iL)
+    println(log_file,"Boundary conditions: ", params["Space"]["bc"])
     println(log_file,"kappa              = ", params["Fermion"]["kappa"])
     println(log_file,"theta              = ", params["Fermion"]["theta"])
     println(log_file,"csw                = ", dpar.csw)