1.0,         # minimum temperature (K)
                     1.0e4,       # maximum temperature (K)
                     units,
                     pext, pmin, pmax)
    os.system('rm -f ANEOS.barf')
    del izetl, etamin, etamax, rho0
except:
    print "ANEOS SiO2 not loaded"
    pass
#-------------------------------------------------------------------------------
# A polytropic fluid EOS
#-------------------------------------------------------------------------------
K  = 2e5       # polytropic constant
n  = 1         # polytropic index
mu = 2.2e-3    # mean molecular weight
poly = sph.PolytropicEquationOfStateMKS3d(K,n,mu)
del K, n, mu

#-------------------------------------------------------------------------------
# Available materials table
#-------------------------------------------------------------------------------
Materials = {'granite':'Granite solid (Tillotson)',
             'basalt':'Basalt solid (Tillotson)',
             'nylon':'Nylon solid (Tillotson)',
             'h2oice':'Water ice solid (Tillotson)',
             'dirtyice':'30% silicate in water ice (Tillotson)',
             'water':'Liquid water (Tillotson)',
             'SiO2':'Multi phase SiO2 (M/ANEOS)',
             'poly':'Polytrope (n=1 K=2e5)',
            }
print