wkcn edited a comment on issue #16057: add operator `cast_like`. URL: https://github.com/apache/incubator-mxnet/pull/16057#issuecomment-526870996 I think ‘cast’ and ‘cast_like’ should pass the gradient, although it will lose the precision. For example, I have an operator which need a higher precision, like float64. However, the input/output dtype of most operators is float32. I need the cast operator, and pass the gradient.
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