}

// SMA struct for calculating simple moving average
type SMA struct {
	buf       []float64
	window    int     // len of buf
	idx       int     // current index in buf
	CAvg      float64 // cumulative average
	prevSMA   float64
	filledBuf bool
}

func newSMA(ln int) *SMA {
	if ln <= 0 {
		ln = defaultWindowSize
	}
	return &SMA{
		buf:    make([]float64, ln),

		t.Errorf("%d bytes left over after Skip(): %q", len(left), left)
	}
}

func BenchmarkMarshalMsgSMA(b *testing.B) {
	v := SMA{}
	b.ReportAllocs()
	b.ResetTimer()
	for i := 0; i < b.N; i++ {
		v.MarshalMsg(nil)
	}
}

func BenchmarkAppendMsgSMA(b *testing.B) {
	v := SMA{}
	bts := make([]byte, 0, v.Msgsize())
	bts, _ = v.MarshalMsg(bts[0:0])
	b.SetBytes(int64(len(bts)))
	b.ReportAllocs()

}

// MarshalMsg implements msgp.Marshaler
func (z SMA) MarshalMsg(b []byte) (o []byte, err error) {
	o = msgp.Require(b, z.Msgsize())
	// map header, size 1
	// string "CAvg"
	o = append(o, 0x81, 0xa4, 0x43, 0x41, 0x76, 0x67)
	o = msgp.AppendFloat64(o, z.CAvg)
	return
}

// UnmarshalMsg implements msgp.Unmarshaler
func (z *SMA) UnmarshalMsg(bts []byte) (o []byte, err error) {
	var field []byte

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