package noyau;
  
  import java.util.stream.Collectors;
  
  public class Moyenne extends Fonctions{
  	
  
  	public String toString(){
  		
  		return "MOYENNE(" + listCases.stream()
  		        .map( n -> n.getId() )
  		        .collect( Collectors.joining( "," ) )
  		        +")";
  	}
  	
  	public String getFormuleDeveloppe(){
  		
  		return "";
  	}
  	
  	public double eval() {
  	    
  		double val=0;
  
  	    try{
  	    	for(int i=0; i<listCases.size(); i++)
  	    		val += listCases.get(i).getValeur();
  
  	    	return val/ listCases.size();
  	    }
  	    catch(ArithmeticException ex){}
  	}
  }