Question

What is the most optimal way to achieve the same as this?

void foo(double floatValue, char* stringResult)
{
    sprintf(stringResult, "%f", floatValue);
}

Answer 1

I’d probably go with what you suggested in your question, since there’s no built-in ftoa() function and sprintf gives you control over the format. A google search for “ftoa asm” yields some possibly useful results, but I’m not sure you want to go that far.