First commit

IUT/Info1/TD/Exercices/2.10_interpolation/2.10.cpp

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+#include <iostream>
+using namespace std;
+
+float Interpolation(float yb, float ya, float alpha) {
+    float yc;
+
+    yc = alpha * yb + (1 - alpha) * ya;
+    return yc;
+}
+
+float CalculAlpha(float xa, float xb, float xc) {
+    float alpha;
+
+    alpha = (xc - xa)/(xb - xa);
+    return alpha;
+}
+
+int main() {
+    float xa, ya, xb, yb, xc, yc;
+    float alpha;
+
+    cout << "Saisir xa, ya, xb, yb, xc" << endl;
+    cin >> xa >> ya >> xb >> yb >> xc;
+
+    alpha = CalculAlpha(xa, xb, xc);
+    yc = Interpolation(yb, ya, alpha);
+    
+    cout << "yc vaut " << yc << endl;
+}