boxes = grids/gr.3_mac_tst
geometry.coord_sys = 0
geometry.prob_lo   =  0.0   0.0   0.0
geometry.prob_hi   =  0.16  0.8    .16

use_cg_solve = 0
Density      = 3
dt           = 0.0001543470841
mac_tol      = 1e-12
mac_abs_tol  = 1e-14
rhs_scale    = 12957.80877

dump_norm = true

mg.numLevelsMAX=1
mg.v       = 4
mg.usecg   = 1
mg.nu_0    = 1
mg.nu_1    = 4
mg.nu_2    = 4
mg.nu_f    = 40
mg.maxiter = 100

cg.maxiter = 40              # default 40
cg.unstable_criterion = 10.  # default 10.
cg.v                  = 4

