Performs the underlying backward pass with all upstreamDelta
s that previously received from forceBackward.
Performs the underlying backward pass with all upstreamDelta
s that previously received from forceBackward.
Returns a wrapped Batch able to detect error of closing more than once if ASSERTION is enabled, or returns this ReferenceCount itself when ASSERTION is disabled hence no check.
Returns a wrapped Batch able to detect error of closing more than once if ASSERTION is enabled, or returns this ReferenceCount itself when ASSERTION is disabled hence no check.