ERROR: ivltests/sf_onehot0_fail.v:6: $onehot0's argument must be numeric.
ERROR: ivltests/sf_onehot0_fail.v:7: $onehot0's argument must be numeric.
ERROR: ivltests/sf_onehot0_fail.v:8: $onehot0 takes a single numeric argument.
                                     Found 1 extra argument.