CS136-Projects/Lab02/Lab_2_Project.c

// This is lab2 for CS136L
// By Andrew Angus and Charles Descamps

// include files
#include "Console_IO_Utility.h"
#include "StandardConstants.h"

//global constants
   // this constant is to adjust input to accomodate the 0.45 rounding
const double CHANGE_IN_DECIMAL = 0.55;
const int MULTIPLE_LINE_SPACES = 2;
const int LENGTH_OF_SEPERATOR = 16;

// main program
int main()
   {

   // initialize variables
   double valueToRound;

   // prints the intro
   printEndline();

   // need to print the title of the program.
   printString("Rounding Program");

   // prints another blank line
   printEndline();

   // also print a separator (16 equal signs)
   printCharacters(LENGTH_OF_SEPERATOR, '=');

   // another blank line
   printEndlines(MULTIPLE_LINE_SPACES);

   // Ask user for the value to round
   valueToRound = promptForDouble("Enter a value to be rounded: ");

   // Round the value by adding change in decimal, then round
   valueToRound += CHANGE_IN_DECIMAL;
   valueToRound = (int)valueToRound;
   valueToRound = (double)valueToRound;

   // print out the rounded value
   printString("The rounded value is now: ");
   printDouble(valueToRound, PRECISION);

   // print another blank line
   printEndlines(MULTIPLE_LINE_SPACES);

   // Print "Program End"
   printString("Program End");

   // print another new line.
   printEndline();
   
   }