No, but i think best answer is you just need to experiment. I've had a hard time finding tone mapping algorithms. But basically you use a luminance value(s) as inputs, and this algorithm should map the current pixels luminance to the output range described by the luminance inputs.

You're attempting to take a scene that is beyond the luminance range of your computer, and map it back. You want to do this in a way that loses as little detail as possible. This is why you use a logarithmic scale, like audio, we can preceive lower lighting levels non linearly less than we see bright colors. so you'll want to scale back the bright values more than the dark values.

I just started looking for some new examples but the fact is I'm just happy with the way my render currently looks. My tone mapping is too weak to mention, but I'm sure with a bit of experimentation you can find a simple solution.

I plan on keeping my luminance values in a small texture and not boiling them down to a single couple values and see if that can give me better tone mapping locality.

Caution this information could be entirely false.