From 587e9825d2c9c3ba901635419488514dbe86789f Mon Sep 17 00:00:00 2001
From: reminisce <wujun.nju@gmail.com>
Date: Wed, 3 Apr 2019 13:40:11 -0700
Subject: [PATCH] Fix cpp package build after using new shape definition
 (#14554)

---
 cpp-package/include/mxnet-cpp/ndarray.hpp |  6 +++---
 cpp-package/include/mxnet-cpp/symbol.hpp  | 20 ++++++++++----------
 include/mxnet/tensor_blob.h               |  2 ++
 include/mxnet/tuple.h                     |  6 +++++-
 4 files changed, 20 insertions(+), 14 deletions(-)

diff --git a/cpp-package/include/mxnet-cpp/ndarray.hpp b/cpp-package/include/mxnet-cpp/ndarray.hpp
index b667542bffb5..bf1d82ca33b4 100644
--- a/cpp-package/include/mxnet-cpp/ndarray.hpp
+++ b/cpp-package/include/mxnet-cpp/ndarray.hpp
@@ -397,11 +397,11 @@ inline size_t NDArray::Size() const {
 }
 
 inline std::vector<mx_uint> NDArray::GetShape() const {
-  const mx_uint *out_pdata;
-  mx_uint out_dim;
+  const int *out_pdata;
+  int out_dim;
   MXNDArrayGetShape(blob_ptr_->handle_, &out_dim, &out_pdata);
   std::vector<mx_uint> ret;
-  for (mx_uint i = 0; i < out_dim; ++i) {
+  for (int i = 0; i < out_dim; ++i) {
     ret.push_back(out_pdata[i]);
   }
   return ret;
diff --git a/cpp-package/include/mxnet-cpp/symbol.hpp b/cpp-package/include/mxnet-cpp/symbol.hpp
index aed963949060..d82b7abaf614 100644
--- a/cpp-package/include/mxnet-cpp/symbol.hpp
+++ b/cpp-package/include/mxnet-cpp/symbol.hpp
@@ -188,7 +188,7 @@ inline void Symbol::InferShape(
 
   std::vector<const char *> keys;
   std::vector<mx_uint> arg_ind_ptr;
-  std::vector<mx_uint> arg_shape_data;
+  std::vector<int> arg_shape_data;
 
   for (const auto &arg : arg_shapes) {
     keys.push_back(arg.first.c_str());
@@ -200,14 +200,14 @@ inline void Symbol::InferShape(
   arg_ind_ptr.push_back(arg_shape_data.size());
 
   mx_uint in_shape_size;
-  const mx_uint *in_shape_ndim;
-  const mx_uint **in_shape_data;
+  const int*in_shape_ndim;
+  const int **in_shape_data;
   mx_uint out_shape_size;
-  const mx_uint *out_shape_ndim;
-  const mx_uint **out_shape_data;
+  const int *out_shape_ndim;
+  const int **out_shape_data;
   mx_uint aux_shape_size;
-  const mx_uint *aux_shape_ndim;
-  const mx_uint **aux_shape_data;
+  const int *aux_shape_ndim;
+  const int **aux_shape_data;
   int complete;
 
   CHECK_EQ(MXSymbolInferShape(GetHandle(), keys.size(), keys.data(),
@@ -221,19 +221,19 @@ inline void Symbol::InferShape(
   if (complete) {
     for (mx_uint i = 0; i < in_shape_size; ++i) {
       in_shape->push_back(std::vector<mx_uint>());
-      for (mx_uint j = 0; j < in_shape_ndim[i]; ++j) {
+      for (int j = 0; j < in_shape_ndim[i]; ++j) {
         (*in_shape)[i].push_back(in_shape_data[i][j]);
       }
     }
     for (mx_uint i = 0; i < aux_shape_size; ++i) {
       aux_shape->push_back(std::vector<mx_uint>());
-      for (mx_uint j = 0; j < aux_shape_ndim[i]; ++j) {
+      for (int j = 0; j < aux_shape_ndim[i]; ++j) {
         (*aux_shape)[i].push_back(aux_shape_data[i][j]);
       }
     }
     for (mx_uint i = 0; i < out_shape_size; ++i) {
       out_shape->push_back(std::vector<mx_uint>());
-      for (mx_uint j = 0; j < out_shape_ndim[i]; ++j) {
+      for (int j = 0; j < out_shape_ndim[i]; ++j) {
         (*out_shape)[i].push_back(out_shape_data[i][j]);
       }
     }
diff --git a/include/mxnet/tensor_blob.h b/include/mxnet/tensor_blob.h
index 45d4c7fda639..a7a57266dab8 100755
--- a/include/mxnet/tensor_blob.h
+++ b/include/mxnet/tensor_blob.h
@@ -418,6 +418,8 @@ class TBlob {
 namespace dmlc {
 // Add a few patches to support mxnet::TShape in dmlc/parameter.
 DMLC_DECLARE_TYPE_NAME(mxnet::TShape, "Shape(tuple)");
+DMLC_DECLARE_TYPE_NAME(mxnet::Tuple<int>, "Shape(tuple)");
+DMLC_DECLARE_TYPE_NAME(mxnet::Tuple<dmlc::optional<int>>, "Shape(tuple)");
 DMLC_DECLARE_TYPE_NAME(nnvm::Tuple<int>, "Shape(tuple)");
 DMLC_DECLARE_TYPE_NAME(nnvm::Tuple<dmlc::optional<int>>, "Shape(tuple)");
 
diff --git a/include/mxnet/tuple.h b/include/mxnet/tuple.h
index d83e843033e3..c5a358628ccd 100644
--- a/include/mxnet/tuple.h
+++ b/include/mxnet/tuple.h
@@ -236,7 +236,10 @@ class Tuple {
    */
   friend std::ostream &operator<<(std::ostream &os, const Tuple<ValueType> &t) {
     if (t.ndim() == -1) {
-      os << "UNKNOWN_SHAPE";
+      // If t is an unknown shape, return string "None".
+      // This is consistent with returning unknown shape in Python and generating
+      // C++ operator APIs by OpWrapperGenerator.py (defaultString) in cpp-package.
+      os << "None";
       return os;
     }
     os << '[';
@@ -727,6 +730,7 @@ struct hash<mxnet::TShape> {
 namespace dmlc {
 /*! \brief description for optional TShape */
 DMLC_DECLARE_TYPE_NAME(optional<mxnet::TShape>, "Shape or None");
+DMLC_DECLARE_TYPE_NAME(optional<mxnet::Tuple<int>>, "Shape or None");
 // avoid low version of MSVC
 #if !defined(_MSC_VER)
 template<typename T>