First commit

IUT/Info1/TD/Exercices/7.2_selon/main.cpp

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+#include <iostream>
+
+#include "calc.h"
+
+using namespace std;
+
+int main() {
+    float a, b;
+    float result;
+    char operation;
+
+    cout << "Saisir a" << endl;
+    cin >> a;
+    cout << "Saisir l'opération" << endl;
+    cin >> operation;
+    cout << "Saisir b" << endl;
+    cin >> b;
+
+
+    switch (operation) {
+        case '+' :
+            result = add(a, b);
+            break;
+        case '-':
+            result = sub(a, b);
+            break;
+        case '*':
+            result = mul(a, b);
+            break;
+        case '/':
+            result = div(a, b);
+            break;
+        default:
+            throw runtime_error("You did not provide a valid operation");
+    }
+
+    cout << "Le résultat est " << result << endl;
+}