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tests.

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This commit is contained in:
Will Charczuk 2016-07-15 09:17:51 -07:00
parent bc2b51077b
commit d888440415
3 changed files with 58 additions and 2 deletions
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15
bollinger_band_series.go
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@ -42,6 +42,17 @@ func (bbs BollingerBandsSeries) GetWindowSize(defaults ...int) int {
return bbs.WindowSize
}
// GetK returns the K value.
func (bbs BollingerBandsSeries) GetK(defaults ...float64) float64 {
if bbs.K == 0 {
if len(defaults) > 0 {
return defaults[0]
}
return 2.0
}
return bbs.K
}
// Len returns the number of elements in the series.
func (bbs *BollingerBandsSeries) Len() int {
return bbs.InnerSeries.Len()
@ -65,8 +76,8 @@ func (bbs *BollingerBandsSeries) GetBoundedValue(index int) (x, y1, y2 float64)
ay := bbs.getAverage(bbs.valueBuffer)
std := bbs.getStdDev(bbs.valueBuffer)
y1 = ay + (bbs.K * std)
y2 = ay - (bbs.K * std)
y1 = ay + (bbs.GetK() * std)
y2 = ay - (bbs.GetK() * std)
return
}