Data commit

Task/Averages-Arithmetic-mean/Vala/averages-arithmetic-mean.vala

@@ -0,0 +1,25 @@
+double arithmetic(double[] list){
+	double mean;
+	double sum = 0;
+	
+	if (list.length == 0)
+		return 0.0;
+	foreach(double number in list){
+		sum += number;
+	} // foreach
+	
+	mean = sum / list.length;
+	
+	return mean;
+} // end arithmetic mean
+
+public static void main(){
+	double[] test = {1.0, 2.0, 5.0, -5.0, 9.5, 3.14159};
+	double[] zero_len = {};
+	
+	double mean = arithmetic(test);
+	double mean_zero = arithmetic(zero_len);
+	
+	stdout.printf("%s\n", mean.to_string());
+	stdout.printf("%s\n", mean_zero.to_string());
+}