First commit

IUT/Info1/TD/Exercices/5.4_insolation/insolation.cpp

@@ -0,0 +1,17 @@
+#include <cmath>
+
+const double PI = 3.141592;
+
+double declinaisonSoleil(unsigned int day) {
+    return asin(0.398 * sin(0.0171915 * day - 1.3962634));
+}
+
+double dureeInsolation(
+    double latitude, double declinaison
+) {
+    return 24/PI * acos(-tan(latitude) * tan(declinaison));
+}
+
+double deg2Rad(double degree) {
+    return degree * PI / 180;
+}