.maxweight
Among all terms (including constant terms) contained in ZDD object
, return the maximum weight as ZDD constant object.
> require 'zdd'
> a=ZDD::itemset("a")
> b=ZDD::itemset("b")
> c=ZDD::itemset("c")
> x=5*a+3*b+c
> x.show
5 a + 3 b + c
> x.maxweight.show
5
# Obtain the maximum value including constant terms.
> x=5*a+3*b+c+10
> x.show
5 a + 3 b + c + 10
> x.maxweight.show
10
# Select the term with the maximum weight.
> x=5*a+3*b+5*c+2
> x.show
5 a + 3 b + 5 c + 2
> x.termsEQ(x.maxweight).show
5 a + 5 c
minweight : Value of minimum weight
totalweight : Sum of weight