first commit

RecurringRainfall/D/recurringrainfall.d

@@ -0,0 +1,34 @@
+import std.stdio;
+
+void main()
+{
+	float currentAverage = 0;
+	uint currentEntryNumber = 0;
+	
+	for (;;)
+	{
+		int entry;
+				
+		write("Enter rainfall int, 99999 to quit: ");
+		
+		try {
+			readf("%d", entry);
+			readln();
+		}
+		catch (Exception e) {
+			writeln("Invalid input");
+			readln();
+			continue;
+		}
+		
+		if (entry == 99999) {
+			writeln("User requested quit.");
+			break;
+		} else {
+			currentEntryNumber++;
+			currentAverage = currentAverage + (1.0/currentEntryNumber)*entry - (1.0/currentEntryNumber)*currentAverage;
+			
+			writeln("New Average: ", currentAverage);
+		}
+	}
+}