Get the interval known for a variable.
Get the interval known for a variable. The second component specifies lower/upper/gap assumption
      
    
      
    
      
    
      
    
      
    
      
      
    
      
    
      
    
      
    
      
    
      
    
      
    
      
      
    
      
    
      
    
      
    
      
    
      Lower Limit functions
      
    
      
      
    
      
      
    
      
      
    
      Propagation functions
      
    
      
    
      
    
      
    
      
    
      Propagates equations s.t.
Propagates equations s.t. f*g = g -- (f != 1) => (g = 0) -- (g != 0) => (f = 1)
This works on equations only
      
    
      
    
      
    
      
      
    
      
      
    
      
    
      
    
      
    
      
    
      
    
      
    
      Upper Limit functions
      
    
      
      
    
      
      
    
      
      
    
      (Since version ) see corresponding Javadoc for more information.
Main class for interval constraint propagation.