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internal.go
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internal.go
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// Copyright 2014 The Cockroach Authors.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
// implied. See the License for the specific language governing
// permissions and limitations under the License. See the AUTHORS file
// for names of contributors.
//
// Author: Spencer Kimball (spencer.kimball@gmail.com)
// Author: Matt Tracy (matt@cockroachlabs.com)
package roachpb
// Average returns the average value for this sample.
func (samp *InternalTimeSeriesSample) Average() float64 {
if samp.Count == 0 {
return 0
}
return samp.Sum / float64(samp.Count)
}
// Maximum returns the maximum value encountered by this sample.
func (samp *InternalTimeSeriesSample) Maximum() float64 {
if samp.Count < 2 {
return samp.Sum
}
return samp.GetMax()
}
// Minimum returns the minimum value encountered by this sample.
func (samp *InternalTimeSeriesSample) Minimum() float64 {
if samp.Count < 2 {
return samp.Sum
}
return samp.GetMin()
}