From 8773c220f50b8ed4d5148c4f8d10fa2b710c3247 Mon Sep 17 00:00:00 2001
From: Any Yang <anyyang527@outlook.com>
Date: Wed, 7 Aug 2024 17:52:39 +0800
Subject: [PATCH 1/2] fix float64 series use mean or stdev function result is
 zero

---
 pkg/types/series_float64.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pkg/types/series_float64.go b/pkg/types/series_float64.go
index 8c07b4a13..904d22958 100644
--- a/pkg/types/series_float64.go
+++ b/pkg/types/series_float64.go
@@ -13,7 +13,7 @@ type Float64Series struct {
 func NewFloat64Series(v ...float64) *Float64Series {
 	s := &Float64Series{}
 	s.Slice = v
-	s.SeriesBase.Series = s.Slice
+	s.SeriesBase.Series = &s.Slice
 	return s
 }
 

From b27fc896f98c087e3264457f1f4654a07ee12289 Mon Sep 17 00:00:00 2001
From: anywhy <anyyang527@outlook.com>
Date: Thu, 15 Aug 2024 16:44:45 +0800
Subject: [PATCH 2/2] add serie_float64 test case

---
 pkg/types/series_float64_test.go | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)
 create mode 100644 pkg/types/series_float64_test.go

diff --git a/pkg/types/series_float64_test.go b/pkg/types/series_float64_test.go
new file mode 100644
index 000000000..270cd92f8
--- /dev/null
+++ b/pkg/types/series_float64_test.go
@@ -0,0 +1,18 @@
+package types
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestSeriesBaseFuncWithPushData(t *testing.T) {
+	series := NewFloat64Series(0.5, 1.0)
+	series.Push(2.5)
+	series.Push(3.0)
+	series.Push(4.0)
+	mean := series.Mean(5)
+	assert.Equal(t, 2.2, mean)
+	stdev := series.Stdev(5)
+	assert.Equal(t, 1.2884098726725126, stdev)
+}