first commit

RecurringRainfall/C/CMakeLists.txt

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+cmake_minimum_required(VERSION 3.10)
+
+# Modify only these if one source file!
+project(CRecurringRainfall)
+set(CURRENT_PROJECT_CODE_NAME recurringrainfall)
+set(FILE_EXT c)
+# End
+
+set(CMAKE_C_STANDARD 11)
+set(CMAKE_C_STANDARD_REQUIRED True)
+set(CMAKE_CXX_STANDARD 17)
+set(CMAKE_CXX_STANDARD_REQUIRED True)
+
+# We want all the warnings and as errors enabled
+if (MSVC)
+    # warning level 4 and all warnings as errors
+    add_compile_options(/W4 /WX)
+else()
+    # lots of warnings and all warnings as errors
+    add_compile_options(-Wall -Wextra -pedantic -Werror)
+endif()
+
+add_executable(${CMAKE_PROJECT_NAME} ${CMAKE_CURRENT_LIST_DIR}/${CURRENT_PROJECT_CODE_NAME}.${FILE_EXT})
+
+target_include_directories(${CMAKE_PROJECT_NAME} PUBLIC
+					    ${EXTRA_INCLUDES}
+						)
+
+target_link_libraries(${CMAKE_PROJECT_NAME} PUBLIC 
+						${EXTRA_LIBS}
+						)
+						
+

RecurringRainfall/C/recurringrainfall.c

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+#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;
+}