ENTIER(Math.Power(5, 3)) = 124
Posted: Mon Jan 19, 2015 12:15 pm
I find somehow disturbing that ENTIER(Math.Power(5, 3)) = 124
because j = 125 if
x := Math.Power(5, 3);
j := ENTIER(x);
because j = 125 if
x := Math.Power(5, 3);
j := ENTIER(x);
Code: Select all
PROCEDURE PowerEntier*;
VAR x, y: REAL; xe, ye, k: LONGINT;
BEGIN
x := Math.Power(5, 3); y := 5.0 * 5.0 * 5.0;
xe := ENTIER(x); ye := ENTIER(y);
k := ENTIER(Math.Power(5, 3)); (* !! *)
StdLog.String("x = "); StdLog.Real(x); StdLog.Ln;
StdLog.String("y = "); StdLog.Real(y); StdLog.Ln;
StdLog.String("xe = "); StdLog.Int(xe); StdLog.Ln;
StdLog.String("ye = "); StdLog.Int(ye); StdLog.Ln;
StdLog.String("k = "); StdLog.Int(k); StdLog.Ln; (* !! *)
StdLog.Bool(Math.Power(5, 3) = 5.0 * 5.0 * 5.0); StdLog.Ln; (* !! *)
StdLog.Real(Math.Power(5, 3) - 5.0 * 5.0 * 5.0); StdLog.Ln; (* !! *)
StdLog.Ln
END PowerEntier;
x = 125.0
y = 125.0
xe = 125
ye = 125
k = 124
$FALSE
-1.387778780781446E-17