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add stddev accessor

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This commit is contained in:
c9s 2020-11-10 16:55:35 +08:00
parent 23c19c5968
commit 04a7c7a2cc
1 changed files with 8 additions and 0 deletions
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8
pkg/indicator/boll.go
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@ -54,6 +54,14 @@ func (inc *BOLL) LastDownBand() float64 {
return inc.DownBand[len(inc.DownBand)-1]
}
func (inc *BOLL) LastStdDev() float64 {
if len(inc.StdDev) == 0 {
return 0.0
}
return inc.StdDev[len(inc.StdDev)-1]
}
func (inc *BOLL) LastSMA() float64 {
return inc.SMA[len(inc.SMA)-1]
}