
get_regret_lwb(?Var, -Regret)

   Returns the regret value for the lower bound of Var.

Arguments
   Var                 A domain variable
   Regret              Regret value

Type
   library(gfd)

Description

   Returns the regret value for the lower bound of the variable, that is, 
   the magnitude of the difference between the lowest and second lowest value 
   in the variable's domain. This can be used in selecting a variable for 
   labelling.



Modes and Determinism
   get_regret_lwb(?, -) is det


