/* This is our first C++ program
 * This program just prints some text to the screen.
 * We are just trying to get comfortable with CLion
 * Also, this is multi-line or block comment.
 */

#include <iostream>
using namespace std;

/* The include directive instructs C++  to add in the iostream library to the
 * project build. The using statement instructs C++ to use the standard namespace
 * to resolve name ambiguity if one exists.
 */

//This is a single line comment
// The program starts running here, from the main function.

int main() {
    cout << "Hello, World"<<endl;  //This line prints "Hello, World!" to the screen

    /* cout can print anything - text inside double quotes, number literals - both
     * integer and floating point numbers, etc.
     * Each different piece of data needs its own << operator.
     * cout does not automatically handle spacing. If we need the different
     * items we're printing to be spaced out, we have to put the spaces (in quotes)
     * in the cout statement.
     */
    cout<< 103<< "     "<< 2.5 << endl;

    /* The following lines declare an integer variable. Then initialize it
     * on the next line, and print it. */
    int val = 18;
    cout<<"val: "<<val<<endl;

    /* ints can only hold whole numbers.
     * If we do have fractional parts in the value, the fractional parts
     * are ignored, not rounded.
     */
    val = -32.99999999999;
    cout<<"val is now "<<val<<endl;

    /* To pint fractional parts, we need a floating-point number (float or double)
     * These numbers can hold fractions.
     */
    double num = 2.5692;
    cout<<"num: "<<num<<endl;

    return 0;   // To tell the OS everything went well and the program stopped
    // because we're done.
}