Converts a tensor to a scalar predicate.
Compat aliases for migration
See Migration guide for more details.
tf.raw_ops.ToBool( input, name=None )
Converts a tensor to a scalar predicate with the following rules:
For 0D tensors, truthiness is determined by comparing against a "zero" value. For numerical types it is the obvious zero. For strings it is the empty string.
For >0D tensors, truthiness is determined by looking at the number of elements. If has zero elements, then the result is false. Otherwise the result is true.
This matches the behavior of If and While for determining if a tensor counts as true/false for a branch condition.
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