Casts a tensor to a different dtype and returns it.

You can cast a Keras variable but it still returns a Keras tensor.

k_cast(x, dtype)



Keras tensor (or variable).


String, either ('float16', 'float32', or 'float64').


Keras tensor with dtype dtype.

Keras Backend

This function is part of a set of Keras backend functions that enable lower level access to the core operations of the backend tensor engine (e.g. TensorFlow, CNTK, Theano, etc.).

You can see a list of all available backend functions here: