Added cosmological parameters to the example file.

examples/parameter_example.yml

@@ -6,6 +6,18 @@ InternalUnitSystem:
   UnitCurrent_in_cgs:  1   # Amperes
   UnitTemp_in_cgs:     1   # Kelvin
 
+# Cosmological parameters
+Cosmology:
+  h:              0.6777        # Reduced Hubble constant
+  a_begin:        0.0078125     # Initial scale-factor of the simulation
+  a_end:          1.0           # Final scale factor of the simulation
+  Omega_m:        0.307         # Matter density parameter
+  Omega_lambda:   0.693         # Dark-energy density parameter
+  Omega_b:        0.0455        # Baryon density parameter
+  Omega_r:        0.            # (Optional) Radiation density parameter
+  w_0:            -1.0          # (Optional) Dark-energy equation-of-state parameter at z=0.
+  w_a:            0.            # (Optional) Dark-energy equation-of-state time evolution parameter.
+
 # Parameters for the task scheduling
 Scheduler:
   nr_queues:                 0         # (Optional) The number of task queues to use. Use 0  to let the system decide.