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Fix top() function, fixes #1267

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This commit is contained in:
Alexander Zobnin
2021-08-25 14:33:46 +03:00
parent 5c3fc03659
commit 4b3d8e5106
1 changed files with 4 additions and 2 deletions
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6
pkg/timeseries/timeseries.go
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@@ -1,6 +1,7 @@
package timeseries package timeseries
import ( import (
"math"
"sort" "sort"
"time" "time"
@@ -130,8 +131,9 @@ func (ts TimeSeries) Transform(transformFunc TransformFunc) TimeSeries {
func Filter(series []*TimeSeriesData, n int, order string, aggFunc AggFunc) []*TimeSeriesData { func Filter(series []*TimeSeriesData, n int, order string, aggFunc AggFunc) []*TimeSeriesData {
SortBy(series, "asc", aggFunc) SortBy(series, "asc", aggFunc)
filteredSeries := make([]*TimeSeriesData, n) maxN := int(math.Min(float64(n), float64(len(series))))
for i := 0; i < n; i++ { filteredSeries := make([]*TimeSeriesData, maxN)
for i := 0; i < maxN; i++ {
if order == "top" { if order == "top" {
filteredSeries[i] = series[len(series)-1-i] filteredSeries[i] = series[len(series)-1-i]
} else if order == "bottom" { } else if order == "bottom" {