[GitHub] tdomhan commented on a change in pull request #9495: bugfix for kAddTo in swap_axis

[GitBox <gi...@apache.org>]

tdomhan commented on a change in pull request #9495: bugfix for kAddTo in swap_axis
URL: https://github.com/apache/incubator-mxnet/pull/9495#discussion_r163474132
 
 

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 File path: src/operator/swapaxis-inl.h
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 @@ -135,7 +135,7 @@ class SwapAxisOp : public Operator {
                        const std::vector<TBlob> &aux_args) {
     using namespace mshadow;
     Stream<xpu> *s = ctx.get_stream<xpu>();
-
+    CHECK_NE(req[swapaxisenum::kOut], kAddTo);
 
 Review comment:
   it would probably make sense to add a message here to not get very cryptic error messages. Would it not be possible to apply what has been done for the backward pass?

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