problem with simple program

This is a discussion on problem with simple program within the C++ Programming forums, part of the General Programming Boards category; Code: //this program will calculate the area of a circle. #include <iostream> #include <iomanip> #include <cstdlib> using std::cout; using std::cin; ...

  1. #1
    C++ beginner
    Join Date
    Jun 2004
    Posts
    66

    problem with simple program

    Code:
     
    //this program will calculate the area of a circle.
    #include <iostream>
    #include <iomanip>
    #include <cstdlib>
    using std::cout;
    using std::cin;
    
    
    int main()
        {
              double pi = "3.14";
              double radius = "0.0";
              double area = "0.0";
              
              cout <<"Please enter the radius of a circle: ";
              cin >> radius;
              
              area = pi * radius * radius ; //calculates a circle's area
              
              cout <<"\n\nThe area is: " << area;
              
              cout <<"\n\n";
              system("PAUSE");
              return 0;
        }
    The problem is this:
    Code:
    11 C:\Dev-Cpp\areaOfCircle.cpp cannot convert `const char*' to `double' in initialization
    For the life of me I can't figure out what's wrong.
    Oh my goodness.

  2. #2
    carry on JaWiB's Avatar
    Join Date
    Feb 2003
    Location
    Seattle, WA
    Posts
    1,972
    Get rid of the quotes around your numbers
    "Think not but that I know these things; or think
    I know them not: not therefore am I short
    Of knowing what I ought."
    -John Milton, Paradise Regained (1671)

    "Work hard and it might happen."
    -XSquared

  3. #3
    C++ beginner
    Join Date
    Jun 2004
    Posts
    66
    Quote Originally Posted by JaWiB
    Get rid of the quotes around your numbers
    Boy do I feel stupid. Thank you kindly.
    Oh my goodness.

  4. #4
    chococoder
    Join Date
    Nov 2004
    Posts
    515
    and no, Walmart is not run by fascists.

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