Restore the better value of theta for the EAGLE ICs examples.

examples/EAGLE_ICs/EAGLE_12/eagle_12.yml

@@ -38,7 +38,7 @@ Statistics:
 # Parameters for the self-gravity scheme
 Gravity:
   eta:                    0.025     # Constant dimensionless multiplier for time integration.
-  theta:                  0.5       # Opening angle (Multipole acceptance criterion)
+  theta:                  0.7       # Opening angle (Multipole acceptance criterion)
   mesh_side_length:       64
   comoving_DM_softening:         0.0026994 # Comoving DM softening length (in internal units).
   max_physical_DM_softening:     0.0007    # Max physical DM softening length (in internal units).

examples/EAGLE_ICs/EAGLE_25/eagle_25.yml

@@ -38,7 +38,7 @@ Statistics:
 # Parameters for the self-gravity scheme
 Gravity:
   eta:                    0.025     # Constant dimensionless multiplier for time integration.
-  theta:                  0.5       # Opening angle (Multipole acceptance criterion)
+  theta:                  0.7       # Opening angle (Multipole acceptance criterion)
   mesh_side_length:       128
   comoving_DM_softening:         0.0026994 # Comoving DM softening length (in internal units).
   max_physical_DM_softening:     0.0007    # Max physical DM softening length (in internal units).

examples/EAGLE_ICs/EAGLE_50/eagle_50.yml

@@ -38,7 +38,7 @@ Statistics:
 # Parameters for the self-gravity scheme
 Gravity:
   eta:                    0.025     # Constant dimensionless multiplier for time integration.
-  theta:                  0.5       # Opening angle (Multipole acceptance criterion)
+  theta:                  0.7       # Opening angle (Multipole acceptance criterion)
   mesh_side_length:       256
   comoving_DM_softening:         0.0026994 # Comoving DM softening length (in internal units).
   max_physical_DM_softening:     0.0007    # Max physical DM softening length (in internal units).