Thread: Need help on a fairly simple code

  1. #1
    Registered User
    Join Date
    Sep 2012

    Need help on a fairly simple code

    So the problem is that I have to get input from the user for the depth and then make that into Celsius and Fahrenheit using the formulas DC=10*Depth+20 and DF=1.8*DC+32 respectively. Here's what I've got so far, and it is picking up the Depth from the user, but I don't know how to make that depth carry to the functions below. It's not erroring and it keeps displaying 1.00 for the Depth (if I put 1), but 0.00 for both Celsius and Fahrenheit.

    Thanks for the help in advance


    /*Function Prototypes*/
    void convert_celsius(void); /*determines the degrees in Celsius*/
    void convert_fahrenheit(void); /*Converts Celsius to Fahrenheit*/
    /*Name: main*/
    main(DegreesCelsius, DegreesFahrenheit)
    double DepthInKm; /*depth inside earth in kilometers*/
    /*get the depth in kilometers*/
    printf("EE 233 Fall 2012,P2: Depth to Celsius and Fahrenheit Conversion Program.\n\nEnter a depth in kilometers: "); scanf("%lf", &DepthInKm); /*compute the degrees in Celsius*/ convert_celsius(DepthInKm); /*compute the degrees in Fahrenheit*/ convert_fahrenheit(DegreesCelsius); /*display the result in a paragraph*/ printf("EE 233 Fall 2012,P2, dhc10, Daniel H. Camburn\n\nFor a depth of %.2f kilometers, the ", DepthInKm); printf("temperature is %.2f degrees Celsius, and %.2f degrees Fahrenheit.\n", DegreesCelsius, DegreesFahrenheit); return(0);
    } /* *Determines degrees in Celsius at the given depth */ void convert_celsius(DepthInKm) {
    double degrees_celsius; /*temperature in Celsius of the depth*/ degrees_celsius=(10*DepthInKm)+20;
    } /* *Converts Celsius to degrees Fahrenheit */ void convert_fahrenheit(DegreesCelsius) {
    double degrees_fahrenheit; /*temperature in Fahrenheit of the depth*/ degrees_fahrenheit=(1.8*DegreesCelsius)+32;

    Last edited by Daniel Camburn; 09-07-2012 at 01:46 PM.

  2. #2
    Master Apprentice phantomotap's Avatar
    Join Date
    Jan 2008

    What language is that supposed to be?

    If that is supposed to be C, then no it isn't "Depth" because it isn't compiling.

    Look, just do yourself a favor and ignore this task for now; get and thoroughly study a good book ("The C Programming Language").


  3. #3
    Registered User
    Join Date
    Jun 2011
    The argument lists in your function declarations; i.e.

    void convert_celsius(void); /*determines the degrees in Celsius*/
    ... do not match the argument lists in your function definitions; i.e.

    void convert_celsius(DepthInKm)
    Furthermore, when you calculate the temperature in Celsius, then in Fahrenheit, you're not storing the results anywhere (the variables "DegreesCelsius" and "DegreesFahrenheit" remain unchanged).

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