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24 lines
405 B
Go
24 lines
405 B
Go
package indicator
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type CMAStream struct {
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*Float64Series
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}
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func CMA2(source Float64Source) *CMAStream {
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s := &CMAStream{
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Float64Series: NewFloat64Series(),
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}
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s.Bind(source, s)
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return s
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}
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func (s *CMAStream) Calculate(x float64) float64 {
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l := float64(s.slice.Length())
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cma := (s.slice.Last(0)*l + x) / (l + 1.)
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return cma
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}
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func (s *CMAStream) Truncate() {
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s.slice.Truncate(MaxNumOfEWMA)
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}
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