**

 * 

 */

package lb.edu.isae.Taylor;

/**

 * @author pfares

 *

 */

public class Exponentielle {

/**

* Calcul du logarithme népérien par Taylor

* @param error

* @return l'exponetielle

*/

public static double e(double error) {

int n=0;

//calcul factorielle n!

long factorielle=1;

//exp = sigma(1/n!) : 0 <= n <= infini

double exp=1.0;

// pas=(1/n!)

double pas=1.0;

//exp=1, factorielle =1, n=0; pas = 1/0!

while (pas > error) { //tanque 1/n! > error continuer

n++;

factorielle *= n;

pas=(1.0/factorielle);

System.out.println("n="+n+" pas= "+pas+" fcatorielle="+factorielle);

exp += pas;

}

return exp;

}

/**

* @param args

*/

public static void main(String[] args) {

System.out.println(e(0.0000001));

}

}