utils

type Bucket struct {
	// Count is the number of values represented in the bucket.
	Count int
	// Min is the low, inclusive bound of the bucket.
	Min float64
	// Max is the high, exclusive bound of the bucket. If
	// this bucket is the last bucket, the bound is inclusive
	// and contains the max value of the histogram.
	Max float64
}

type Histogram struct {
	// Buckets over which values are partitioned.
	Buckets []Bucket
	// Min is the size of the smallest bucket.
	Min int
	// Max is the size of the biggest bucket.
	Max int
	// Count is the total size of all buckets.
	Count int
}

type ScaleFunc func(min, max, value int) float64