split an array and normalize it

extentsplit

inline void extentsplit(float* e, int size, int width)
{
    int empty_slots = 0;
    int awidth = 0;
    for(int n = 0; n < size; ++n)
    {
        if(e[n] < 1)
            e[n] = width * std::abs(e[n]);
        awidth += e[n];
        empty_slots += e[n] == 0 ? 1 : 0;
    }
    if(empty_slots == 0)
        return;
    int balance = width - awidth;
    if(balance <= 0)
        return;
    int slot_extent = (int)((float)balance / (float)empty_slots);
    int remainder = balance - (empty_slots *  slot_extent);
    float* g = e + (size - 1);
    for(int n = 0; n < size; ++n, --g)
    {
        if(*g)
            continue;
        int d = slot_extent;
        if(remainder-- >= 1)
            d++;
        *g = d;
    }
}