func integerDiv(oldValues [][]byte, newValues [][]byte, w float64) (result [][]byte) {
var sum int64
var tmp int64
var err error
if oldValues != nil {
if tmp, err = common.DecodeInt64(oldValues[0]); err == nil {
sum = tmp
}
for _, b := range newValues {
if tmp, err = common.DecodeInt64(b); err == nil {
sum /= (tmp * int64(w))
}
}
} else {
if tmp, err = common.DecodeInt64(newValues[0]); err == nil {
sum = (tmp * int64(w))
}
for _, b := range newValues[1:] {
if tmp, err = common.DecodeInt64(b); err == nil {
sum /= (tmp * int64(w))
}
}
}
res := new(bytes.Buffer)
binary.Write(res, binary.BigEndian, sum)
return [][]byte{res.Bytes()}
}
func integerSum(oldValues [][]byte, newValues [][]byte, w float64) (result [][]byte) {
var sum int64
var tmp int64
var err error
for _, b := range oldValues {
if tmp, err = common.DecodeInt64(b); err == nil {
sum += tmp
}
}
for _, b := range newValues {
if tmp, err = common.DecodeInt64(b); err == nil {
sum += (tmp * int64(w))
}
}
res := new(bytes.Buffer)
binary.Write(res, binary.BigEndian, sum)
return [][]byte{res.Bytes()}
}
func decode(b []byte) string {
switch *enc {
case stringFormat:
return string(b)
case floatFormat:
res, err := common.DecodeFloat64(b)
if err != nil {
return fmt.Sprint(b)
}
return fmt.Sprint(res)
case intFormat:
res, err := common.DecodeInt64(b)
if err != nil {
return fmt.Sprint(b)
}
return fmt.Sprint(res)
case bigFormat:
return fmt.Sprint(common.DecodeBigInt(b))
}
panic(fmt.Errorf("Unknown encoding: %v", *enc))
}