Defines the enumeration type that describes the reduction operations.

enum class ReduceType{
    REDUCE_SUM = 0,
    REDUCE_MEAN = 1,
    REDUCE_MAX = 2,
    REDUCE_MIN = 3
};

Parameter	Description
REDUCE_SUM	Describes the sum reduction operation.
REDUCE_MEAN	Describes the mean reduction operation.
REDUCE_MAX	Describes the max reduction operation.
REDUCE_MIN	Describes the min reduction operation.