first commit

RecurringRainfall/C/recurringrainfall.c

@@ -0,0 +1,42 @@
+#include <stdio.h>
+
+int main(int argc, char **argv)
+{
+	// Unused variables
+	(void)argc;
+	(void)argv;
+	
+	float currentAverage = 0;
+	unsigned int currentEntryNumber = 0;
+	
+	for (;;)
+	{
+		int ret, entry;
+		
+		printf("Enter rainfall int, 99999 to quit: ");
+		ret = scanf("%d", &entry);
+		
+		if (ret)
+		{
+			if (entry == 99999)
+			{
+				printf("User requested quit.\n");
+				break;
+			}
+			else
+			{
+				currentEntryNumber++;
+				currentAverage = currentAverage + (1.0f/currentEntryNumber)*entry - (1.0f/currentEntryNumber)*currentAverage;
+				
+				printf("New Average: %f\n", currentAverage);
+			}
+		}
+		else
+		{
+			printf("Invalid input\n");
+			while (getchar() != '\n');	// Clear input buffer before asking again
+		}
+	}
+	
+	return 0;
+}