tf.keras.backend.in_test_phase

Selects x in test phase, and alt otherwise.

View aliases

Compat aliases for migration

See Migration guide for more details.

tf.compat.v1.keras.backend.in_test_phase, `tf.compat.v2.keras.backend.in_test_phase`

tf.keras.backend.in_test_phase(
    x, alt, training=None
)

Note that alt should have the same shape as x.

Arguments
x	What to return in test phase (tensor or callable that returns a tensor).
alt	What to return otherwise (tensor or callable that returns a tensor).
training	Optional scalar tensor (or Python boolean, or Python integer) specifying the learning phase.

Returns
Either x or alt based on K.learning_phase.