samskalicky commented on a change in pull request #12430: [MXNET-882] Support
for N-d arrays added to diag op.
URL: https://github.com/apache/incubator-mxnet/pull/12430#discussion_r215705029
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File path: src/operator/tensor/diag_op-inl.h
##########
@@ -30,33 +30,46 @@
#include <dmlc/parameter.h>
#include <vector>
#include <algorithm>
+#include <utility>
#include "../mxnet_op.h"
#include "../operator_common.h"
#include "../elemwise_op_common.h"
+#include "./broadcast_reduce_op.h"
namespace mxnet {
namespace op {
struct DiagParam : public dmlc::Parameter<DiagParam> {
dmlc::optional<int> k;
+ dmlc::optional<int> axis1;
+ dmlc::optional<int> axis2;
DMLC_DECLARE_PARAMETER(DiagParam) {
DMLC_DECLARE_FIELD(k)
.set_default(dmlc::optional<int>(0))
.describe("Diagonal in question. The default is 0. "
"Use k>0 for diagonals above the main diagonal, "
"and k<0 for diagonals below the main diagonal. "
"If input has shape (S0 S1) k must be between -S0 and S1");
+ DMLC_DECLARE_FIELD(axis1)
+ .set_default(dmlc::optional<int>(0))
Review comment:
If the values are negative, where are negative values acceptible? When they
are used later on to index directly into the ishape array on line 76 wouldnt
that cause a problem?
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