bbgo_origin/pkg/indicator/v2_pivothigh.go

28 lines
566 B
Go

package indicator
import (
"github.com/c9s/bbgo/pkg/datatype/floats"
)
type PivotHighStream struct {
*Float64Series
rawValues floats.Slice
window, rightWindow int
}
func PivotHigh2(source Float64Source, window, rightWindow int) *PivotHighStream {
s := &PivotHighStream{
Float64Series: NewFloat64Series(),
window: window,
rightWindow: rightWindow,
}
s.Subscribe(source, func(x float64) {
s.rawValues.Push(x)
if low, ok := calculatePivotHigh(s.rawValues, s.window, s.rightWindow); ok {
s.PushAndEmit(low)
}
})
return s
}