gistfile1.txt

#pragma mark SORTING FUNCTIONS

NSInteger sortData(id num1, id num2, BOOL ascending)
{
    float v1 = [[num1 objectAtIndex:0] floatValue];
    float v2 = [[num2 objectAtIndex:0] floatValue];
    if (v1 < v2)
        return (ascending ? NSOrderedAscending : NSOrderedDescending);
    else if (v1 > v2)
        return (ascending ? NSOrderedDescending : NSOrderedAscending);
    else
        return NSOrderedSame;
}

NSInteger sortDataAscending (id num1, id num2, void *context) {
    return sortData(num1, num2, YES); }

NSInteger sortDataDescending (id num1, id num2, void *context) {
    return sortData(num1, num2, NO); }