go slice convert

func floatSlice2bytes(s []float64) []byte {
	b := (*reflect.SliceHeader)(unsafe.Pointer(&s))
	b.Cap = b.Cap * 8
	b.Len = b.Len * 8
	return *(*[]byte)(unsafe.Pointer(&s))
}

func bytes2floatSlice(s []byte) []float64 {
	b := (*reflect.SliceHeader)(unsafe.Pointer(&s))
	b.Cap = b.Cap / 8
	b.Len = b.Len / 8
	return *(*[]float64)(unsafe.Pointer(&s))
}