Theprogrammersfirst: Increase curvature of connecting arcs

2022-01-19

Consider:

digraph D {
    0[pos="0,0!"]
    1[pos="0,5!"]
    0 -> 1[label=0.25]
    1 -> 0[label=0.50]
}

Rendered under neato engine, this gives:

Is there a way to increase/control the curvature of the connecting arcs so that the rendering is something like the hand-drawn annotations below:

Edited to add: While I don't have to stick with neato, it is important in my application that the node pos coordinate values be upheld.

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Theprogrammersfirst