reminisce commented on issue #9007: float16 argmax breaks on negative inputs URL: https://github.com/apache/incubator-mxnet/issues/9007#issuecomment-350529028 Unary reduce ops have the problem of handling float16 correctly. For example, ```python a = mx.nd.array([-2, 0], dtype=np.float16) print(mx.nd.max(a)) [ 6.10351562e-05] <NDArray 1 @cpu(0)> ``` I'm guessing it might be related to setting initial minimum value for float16 type. https://github.com/dmlc/mshadow/blob/2d7780c3f2eefe4453fa419862d1b2089bedb8d5/mshadow/extension/reduce_with_axis.h#L121
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