* Floating nodes: a dangling MOS gate and a bulk-only MOS
.model nm nmos level=1 vto=0.7 kp=100u
V1 d 0 2
R1 d dd 1k
VG g 0 1.5
M1 dd g 0 0 nm w=10u l=1u             $ working device, gate driven
M2 dd floatg 0 0 nm w=10u l=1u        $ gate dangles -> node floatg floats
M3 dead1 dead2 dead3 0 nm w=10u l=1u  $ only the bulk is connected
.control
  set topo_verbose
  op
  print v(dd)
.endc
.end