TP10 Réels 02

APL1.1/TP10/chiffres.c

@@ -0,0 +1,17 @@
+#include<stdio.h>
+#include<stdlib.h>
+#include<math.h>
+
+int main(int argc, char * argv[]) {
+	double x;
+	printf("Veuillez donner un réel : ");
+	scanf("%lf", &x);
+
+	int partie_entiere = (int)trunc(x) % 10;
+	int dixieme = (int)trunc(x*10) % 10;
+
+	printf("Chiffre des unités : %d\n", partie_entiere);
+	printf("Chiffre des dixieme : %d\n", dixieme);
+	return EXIT_SUCCESS;
+}
+

APL1.1/TP10/distance.c

@@ -0,0 +1,19 @@
+#include<stdio.h>
+#include<stdlib.h>
+#include<math.h>
+
+double dist(float x1, float y1, float x2, float y2) {
+	return sqrt(pow(x2-x1, 2) + pow(y2-y1, 2));
+}
+
+int main(int argc, char * argv[]) {
+
+	float x1, y1, x2, y2;
+
+	printf("Veuillez indiquer vos deux points sous la forme x1,y1 x2,y2 : ");
+	scanf("%f,%f %f,%f", &x1, &y1, &x2, &y2);
+
+	printf("La distance entre %.2f,%.2f et %.2f,%.2f est de ~%.5f\n", x1, y1, x2, y2, dist(x1,y1,x2,y2));
+	return EXIT_SUCCESS;
+}
+

APL1.1/TP10/duree_de_vol.c

@@ -0,0 +1,21 @@
+#include<stdio.h>
+#include<stdlib.h>
+#include<math.h>
+
+int main(int argc, char * argv[]) {
+	double airspeed, windspeed, distance;
+
+	printf("Veuillez donner la vitesse de l'avion, du vent et la distance à parcourir : ");
+	scanf("%lf %lf %lf", &airspeed, &windspeed, &distance);
+
+	double groundspeed = airspeed - windspeed;
+	double hoursmins = distance / groundspeed;
+	int hours = trunc(hoursmins);
+	int mins = (int)((hoursmins-hours) * 60);
+
+
+	printf("Le vol durera ~%d heure%s et %d minute%s.\n",
+		hours, hours > 1 ? "s" : "", mins, mins > 1 ? "s" : "");
+	return EXIT_SUCCESS;
+}
+

APL1.1/TP10/formules.c

@@ -1,8 +1,14 @@
 #include<stdio.h>
 #include<stdlib.h>
+#include<math.h>
 
 int main(int argc, char * argv[]) {
-
+	printf("sqrt(ln(0.5)) = %lf\n", sqrt(log(0.5)));
+	printf("sin(pi/6) = %lf\n", sin(3.1415926535898/6));
+	printf("arctan(13²) = %lf\n", atan(pow(13, 2)));
+	printf("(e^-1)⁴ = %lf\n", pow(exp(-1), 4));
+	printf("ln(-3) = %lf\n", log(-3));
+	printf("sqrt(2)² = %lf\n", pow(sqrt(2), 2));
 	return EXIT_SUCCESS;
 }