first commit

RecurringRainfall/Cpp/CMakeLists.txt

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+cmake_minimum_required(VERSION 3.10)
+
+# Modify only these if one source file!
+project(CppRecurringRainfall)
+set(CURRENT_PROJECT_CODE_NAME recurringrainfall)
+set(FILE_EXT cpp)
+# 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/Cpp/recurringrainfall.cpp

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+/*
+	Write a program that will read in integers and
+	output their average. Stop reading when the
+	value 99999 is input.	
+	
+	Example program output/input:
+		Enter int: 0
+		Average: 0
+		Enter int: 2
+		Average: 1
+		...
+		Enter int: 99999
+*/
+
+#include <iostream>
+#include <limits>
+
+int main()
+{
+	float currentAverage = 0;
+	unsigned int currentEntryNumber = 0;
+	
+	for (;;)
+	{
+		int entry;
+		
+		std::cout << "Enter rainfall int, 99999 to quit: ";
+		std::cin >> entry;
+		
+		if (!std::cin.fail())
+		{
+			if (entry == 99999)
+			{
+				std::cout << "User requested quit." << std::endl;
+				break;
+			}
+			else
+			{
+				currentEntryNumber++;
+				currentAverage = currentAverage + (1.0f/currentEntryNumber)*entry - (1.0f/currentEntryNumber)*currentAverage;
+				
+				std::cout << "New Average: " << currentAverage << std::endl;
+			}
+		}
+		else
+		{
+			std::cout << "Invalid input" << std::endl;
+			std::cin.clear();
+			std::cin.ignore(std::numeric_limits<std::streamsize>::max(), '\n');
+		}
+	}
+	
+	return 0;
+}