# File lib/cassiopee.rb, line 130
  def isAmbiguousEqual(a,b,ambiguous)
        if(ambiguous==nil || (ambiguous[a.chr]==nil && ambiguous[b.chr]==nil ))
          if(a==b)
            return true
          else
            return false
          end
        end
        if(a==b || (ambiguous[a.chr]!=nil && ambiguous[a.chr].index(b.chr)!=nil) || (ambiguous[b.chr]!=nil && ambiguous[b.chr].index(a.chr)!=nil))
           return true
    else
           return false
        end
  end