Information on how often each segment (between two sampling points) of the various functions is used in force calculation is printed to the file given by the parameter bindist_file.

To enable this feature, compile potfit with the –enable-bindist switch. This information can be useful to check if the sampling points of tabulated potentials have a reasonable density and/or distribution.

<span style="color:red">This option is incompatible with mpi parallelization and only available for tabulated potentials.</span>

In the output file you get a datapoint for every segment between two potential datapoints. Different potentials are separated by two newlines.

If your potential would be defined by values at $r=1,2,3$ then you would get a distfile with values at $1.5$ and $2.5$ representing the two segments.

This is data from a binned distribution file combined with the plotpointfile to visualize the individual segments: