szha commented on a change in pull request #14107: fix nd.slice for following
outputs: (1) begin=end and (2) end=-1, step=-1
URL: https://github.com/apache/incubator-mxnet/pull/14107#discussion_r255353867
##########
File path: src/operator/tensor/matrix_op-inl.h
##########
@@ -653,6 +653,7 @@ inline void GetIndexRange(const TShape& dshape,
}
for (index_t i = 0; i < param_begin.ndim(); ++i) {
+ CHECK_NE(dshape[i], 0) << "Invalid input shape!";
Review comment:
0 means the dimension hasn't been successfully inferred yet which doesn't
necessarily mean the shape is invalid.
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