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[bytom/vapor.git] / vendor / github.com / codahale / hdrhistogram / window.go
diff --git a/vendor/github.com/codahale/hdrhistogram/window.go b/vendor/github.com/codahale/hdrhistogram/window.go
deleted file mode 100644 (file)
index dc43612..0000000
+++ /dev/null
@@ -1,45 +0,0 @@
-package hdrhistogram
-
-// A WindowedHistogram combines histograms to provide windowed statistics.
-type WindowedHistogram struct {
-       idx int
-       h   []Histogram
-       m   *Histogram
-
-       Current *Histogram
-}
-
-// NewWindowed creates a new WindowedHistogram with N underlying histograms with
-// the given parameters.
-func NewWindowed(n int, minValue, maxValue int64, sigfigs int) *WindowedHistogram {
-       w := WindowedHistogram{
-               idx: -1,
-               h:   make([]Histogram, n),
-               m:   New(minValue, maxValue, sigfigs),
-       }
-
-       for i := range w.h {
-               w.h[i] = *New(minValue, maxValue, sigfigs)
-       }
-       w.Rotate()
-
-       return &w
-}
-
-// Merge returns a histogram which includes the recorded values from all the
-// sections of the window.
-func (w *WindowedHistogram) Merge() *Histogram {
-       w.m.Reset()
-       for _, h := range w.h {
-               w.m.Merge(&h)
-       }
-       return w.m
-}
-
-// Rotate resets the oldest histogram and rotates it to be used as the current
-// histogram.
-func (w *WindowedHistogram) Rotate() {
-       w.idx++
-       w.Current = &w.h[w.idx%len(w.h)]
-       w.Current.Reset()
-}