Returns a value such that roughly percent values in the histogram
are smaller than value. The value is linearly interpolated between
bin coordinates. The second form stores the bin index such that no
more the percent of the values in the histrogram are in the bins
up to index (inclusive).
Returns a value such that roughly percent values in the histogram are smaller than value. The value is linearly interpolated between bin coordinates. The second form stores the bin index such that no more the percent of the values in the histrogram are in the bins up to index (inclusive).