boost::histogram::algorithm::shrink_and_rebin — Convenience overload for single axis.
// In header: <boost/histogram/algorithm/reduce.hpp> auto shrink_and_rebin(double lower, double upper, unsigned merge);
Parameters:
lower
lowest bound that should be kept.
merge
how many adjacent bins to merge into one.
upper
highest bound that should be kept. If upper is inside bin interval, the whole interval is removed.