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Have some questions. Could anybody please advise?

This is so called modular programming I think, I just need to finished coding one function.

The whole programme promts the user to enter the numerator and denominator, then squares it, simplies it, then value return back to the main to print the result.

[b]If you enter...[/b]

[blue]

scanf("%d", &temp.numerator); (....2 for example)

scanf("%d", &temp.denominator); (....3 for example)

[/blue]

[b]Then the output is;[/b]

[blue]

The sauqre of [b]2/3[/b] is [b]4/9[/b]

[/blue]

Pls let me know if you need to see the entire code then I will post but this is the function I need to code in [b][red]red[/red][/b].

[code]

RATIONAL rat_simplify(RATIONAL a) {

int temp_hcf;

RATIONAL temp;

temp_hcf = HCF (a.numerator, a.denominator);

temp.numerator = a.numerator / temp_hcf;

temp.denominator = a.denominator /temp_hcf;

return temp;

}

[red]

RATIONAL squareRational (RATIONAL rat)

{

RATIONAL temp;

[b]

/**** BELOW : CODE MY SELF*******/

//Calculate the square

temp.numerator = rat.numerator * rat.numerator;

temp.denominator = rat.denominator * rat.denominator;

temp = rat_simplify (temp); //Pass the values to the function to simplify

/**** ABOVE: CODE MY SELF****/

[/b]

return temp;//Return squared value back to the main

} [/red]

[/code]

1) User input of numerator(2) and denominator(3) are being passed to the function in the parameter [b]RATIONAL rat[/b]

2) After the calculation, I need to simplify it. For numerator 2 and denominator 3, there is no need to simplify but for example if that was 6/9, the result is 36/16, so it should be simplified to 9/4 in the function [b]rat_simplify[/b]

[b][red]My question is,[/b][/red]

Can I use the same [b]temp[/b] to receive the value back from the function rat_simplify and pass it back to the main?.... or, should I change the variable name? But then, it's in the template that I need to return the [italic]variable [b]temp[/b][/italic] .

Thanks!!

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## Comments

621:

: Have some questions. Could anybody please advise?

:

: This is so called modular programming I think, I just need to finished coding one function.

: The whole programme promts the user to enter the numerator and denominator, then squares it, simplies it, then value return back to the main to print the result.

:

:

: [b]If you enter...[/b]

: [blue]

: scanf("%d", &temp.numerator); (....2 for example)

: scanf("%d", &temp.denominator); (....3 for example)

: [/blue]

:

: [b]Then the output is;[/b]

: [blue]

: The sauqre of [b]2/3[/b] is [b]4/9[/b]

: [/blue]

:

:

: Pls let me know if you need to see the entire code then I will post but this is the function I need to code in [b][red]red[/red][/b].

:

: [code]

: RATIONAL rat_simplify(RATIONAL a) {

: int temp_hcf;

: RATIONAL temp;

:

: temp_hcf = HCF (a.numerator, a.denominator);

: temp.numerator = a.numerator / temp_hcf;

: temp.denominator = a.denominator /temp_hcf;

: return temp;

: }

: [red]

: RATIONAL squareRational (RATIONAL rat)

: {

: RATIONAL temp;

:

: [b]

: /**** BELOW : CODE MY SELF*******/

: //Calculate the square

: temp.numerator = rat.numerator * rat.numerator;

: temp.denominator = rat.denominator * rat.denominator;

:

: temp = rat_simplify (temp); //Pass the values to the function to simplify

:

: /**** ABOVE: CODE MY SELF****/

: [/b]

:

: return temp;//Return squared value back to the main

: } [/red]

: [/code]

:

:

: 1) User input of numerator(2) and denominator(3) are being passed to the function in the parameter [b]RATIONAL rat[/b]

: 2) After the calculation, I need to simplify it. For numerator 2 and denominator 3, there is no need to simplify but for example if that was 6/9, the result is 36/16, so it should be simplified to 9/4 in the function [b]rat_simplify[/b]

:

: [b][red]My question is,[/b][/red]

: Can I use the same [b]temp[/b] to receive the value back from the function rat_simplify and pass it back to the main?.... or, should I change the variable name? But then, it's in the template that I need to return the [italic]variable [b]temp[/b][/italic] .

:

[blue]

Sure you can use the same variable name. They have the same name but are different variables, because they are declared in the function itself. I.e. 'local variables'. Passing the variables between functions only passes the value of the variables. They get copied from one variable to another.

Your code seems fine.

[/blue]

Greets,

Eric Goldstein

www.gvh-maatwerk.nl

209: Sure you can use the same variable name. They have the same name but are different variables, because they are declared in the function itself. I.e. 'local variables'. Passing the variables between functions only passes the value of the variables. They get copied from one variable to another.

: Your code seems fine.

: [/blue]

:

Hi Eric

Thanks for the advice.

Yes my code worked fine!! Yepiee!!! So happy!!

Understand about the 'local variable'.

tokoG