# I test linked cells here
# the input trajectory has frames with different cell shape,
# including orthorhomic, hexagonal, and no box

# this uses linked cells:
b: BRIDGE GROUPA=1,4 GROUPB=2 BRIDGING_ATOMS=3 SWITCH={RATIONAL NN=100 MM=200 D_0=0.95 R_0=0.01 D_MAX=0.99}
# this doesn't:
c: BRIDGE GROUPA=1,4 GROUPB=2 BRIDGING_ATOMS=3 SWITCH={RATIONAL NN=100 MM=200 D_0=0.95 R_0=0.01}
# they should give identical results
PRINT ARG=b,c FILE=colvar

