init

com/inds.go

@@ -0,0 +1,41 @@
+package com
+
+import "github.com/banbox/banta"
+
+/*
+IchimokuCloud
+
+sml: 9, mid: 26, big: 52, disp: 26
+return [smlMa, midMa, spanA, spanB]
+*/
+func IchimokuCloud(e *banta.BarEnv, sml, mid, big, disp int) *banta.Series {
+	res := e.Close.To("_ichimokuCld", big*100000+mid*1000+disp*10+sml)
+	if res.Cached() {
+		return res
+	}
+	// earlier
+	h := e.High.Back(disp - 1)
+	l := e.Low.Back(disp - 1)
+	hhSml := banta.Highest(h, sml).Get(0)
+	llSml := banta.Lowest(l, sml).Get(0)
+	hhMid := banta.Highest(h, mid).Get(0)
+	llMid := banta.Lowest(l, mid).Get(0)
+	hhBig := banta.Highest(h, big).Get(0)
+	llBig := banta.Lowest(l, big).Get(0)
+
+	smlMa := (hhSml + llSml) / 2
+	midMa := (hhMid + llMid) / 2
+	bigMa := (hhBig + llBig) / 2
+	spanA := (smlMa + midMa) / 2
+
+	// Current
+	h, l = e.High, e.Low
+	hhSml = banta.Highest(h, sml).Get(0)
+	llSml = banta.Lowest(l, sml).Get(0)
+	hhMid = banta.Highest(h, mid).Get(0)
+	llMid = banta.Lowest(l, mid).Get(0)
+
+	smlMa2 := (hhSml + llSml) / 2
+	midMa2 := (hhMid + llMid) / 2
+	return res.Append([]float64{smlMa2, midMa2, spanA, bigMa})
+}