Added more infiles (#732)

Added infiles for more complicated problems.

infiles/landau1x3vasg.txt

@@ -0,0 +1,33 @@
+-title    : Landau 1x3v
+-subtitle : adaptive sparse grid, quadratic basis
+
+# d_t f + v d_x f + E(f) d_v f= \nu C(f)
+# C(f) := d_v( (v-u)f + th d_v f )\
+# E given by poisson solve
+-pde : riemann_1x3v
+
+# disctretization in space
+# mixed grid with level 7 full grid in x 
+# and level 6 sparse grid in v.
+# quadratic basis
+-grid         : adapt
+-start-levels : 5 4 4 4
+-max_level    : 5
+-max_adapt_levels : 5 4 4 4
+-thresh       : 1e-8
+-degree       : 2
+
+# imex timestep
+# CFL = dx*(1/(2k+1))*(1/|v_max|)
+#     = (4*pi/2^5)*(1/5)*(1/6)
+#     = 0.013089969
+# dt  = 0.75*CFL
+# T   = dt*250 = 0.05
+-step-method : imex
+-dt          : 1.308997e-2
+-num-steps   : 3820
+
+# solver
+-solver      : gmres
+-inner_it    : 25
+-tol         : 1e-10

infiles/riemann1x3vmg.txt

@@ -0,0 +1,31 @@
+-title    : Riemann 1x3v
+-subtitle : mixed grid, quadratic basis
+
+# df / dt + v d_x f = \nu C(f)
+# C(f) := d_v( (v-u)f + th d_v f )
+-pde : riemann_1x3v
+
+# disctretization in space
+# mixed grid with level 7 full grid in x 
+# and level 6 sparse grid in v.
+# quadratic basis
+-grid         : mixed
+-split        : 1
+-start-levels : 6 6 6 6
+-max_level    : 6
+-degree       : 2
+
+# imex timestep
+# CFL = dx*(1/(2k+1))*(1/|v_max|)
+#     = (2/2^7)*(1/5)*(1/6)
+#     = 1/1600 
+# dt  = 0.32*CFL
+# T   = dt*250 = 0.05
+-step-method : imex
+-dt          : 2.E-4
+-num-steps   : 250
+
+# solver
+-solver      : gmres
+-inner_it    : 50
+-tol         : 1e-8

infiles/twostream2dasg.txt

@@ -0,0 +1,24 @@
+-title    : Two Stream 2D
+-subtitle : adaptive sparse grid level 7, quadratic basis
+
+# df / dt + v d_x f + E(f) d_v f = 0
+# E is the electric field given by a Poisson Solve
+-pde : two_stream
+
+# disctretization in space
+# level 7 adaptive sparse grid and quadratic basis
+-grid         : adapt
+-start-levels : 7
+-max_level    : 7
+-degree       : 2
+-thresh       : 1.E-6
+
+# imex timestep
+# CFL = dx*(1/(2k+1))*(1/|v_max|)
+#     = (4*pi/2^7)*(1/5)*1/(2*pi)
+#     = 1/320 
+# dt  = 3/4*CFL
+# T   = dt*19200 = 45.0
+-step-method : imex
+-dt          : 2.34375E-3
+-num-steps   : 19200