First commit

IUT/Info1/TD/Exercices/volumeSphere/volumeSphere.cpp

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+#include "volumeSphere.h"
+
+float volumeSphere(float rayon) {
+    const float PI = 3.141592;
+    float volume;
+    
+    volume = rayon * rayon * rayon * PI * 4.0 / 3.0;
+
+    return volume;
+}