Hello, I need to sort an array of structures into desending order by an element declared as a float.  Here is my compare function which im using with Qsort.
----------------------------------------------------------------
int compare_one(const void *v1, const void *v2)
{
    int return_value;

    return_value = (*(struct proform*)v1).eq_rating - (*(struct
proform*)v2).eq_rating;

    if(return_value < 0 )
    {
       return 28;
    }
    else if( return_value > 0 )
    {
       return -34;
    }
    else
    {
       return 0;
    }

    return return_value;
}
-----------------------------------------------------------

This is sorting as if the variables are int's rather than floats, so the frational part is being ignored.

Question:  How do sort on a float variable this is part of a structure?

Thanks

Paul

Paul skrev:
> Hello, I need to sort an array of structures into desending order
> by an element declared as a float.  Here is my compare function
> which im using with Qsort.

[Snip code]

> This is sorting as if the variables are int's rather than floats,
> so the frational part is being ignored.
> 
> Question:  How do sort on a float variable this is part of a
> structure?

int compare_one(const void *v1, const void *v2)
{
    double return_value = (*(struct proform*)v1).eq_rating - (*(struct
proform*)v2).eq_rating;

    if(return_value < 0 )
    {
       return 1;
    }
    else if( return_value > 0 )
    {
       return -1;
    }
    return 0;
}

-- 
Just another homepage:
http://damb.dk
But it's mine - Bertel

Hi Bertel, thanks your code works fine.

Kind regards

Paul