[Misc] Replace \xxx with @XXX in structured comment. (#4822)

* param

* brief

* note

* return

* tparam

* brief2

* file

* return2

* return

* blabla

* all
Co-authored-by: Steve <ubuntu@ip-172-31-34-29.ap-northeast-1.compute.internal>

src/array/cpu/array_index_select.cc

 /*!
  *  Copyright (c) 2019 by Contributors
- * \file array/cpu/array_index_select.cc
- * \brief Array index select CPU implementation
+ * @file array/cpu/array_index_select.cc
+ * @brief Array index select CPU implementation
  */
 #include <dgl/array.h>
 

src/array/cpu/array_nonzero.cc

 /*!
  *  Copyright (c) 2020 by Contributors
- * \file array/cpu/array_nonzero.cc
- * \brief Array nonzero CPU implementation
+ * @file array/cpu/array_nonzero.cc
+ * @brief Array nonzero CPU implementation
  */
 #include <dgl/array.h>
 

src/array/cpu/array_op_impl.cc

 /*!
  *  Copyright (c) 2019 by Contributors
- * \file array/cpu/array_op_impl.cc
- * \brief Array operator CPU implementation
+ * @file array/cpu/array_op_impl.cc
+ * @brief Array operator CPU implementation
  */
 #include <dgl/array.h>
 #include <dgl/runtime/ndarray.h>

src/array/cpu/array_pack.cc

 /*!
  *  Copyright (c) 2019 by Contributors
- * \file array/cpu/array_index_select.cc
- * \brief Array index select CPU implementation
+ * @file array/cpu/array_index_select.cc
+ * @brief Array index select CPU implementation
  */
 #include <dgl/array.h>
 #include <dgl/runtime/parallel_for.h>

src/array/cpu/array_repeat.cc

 /*!
  *  Copyright (c) 2020 by Contributors
- * \file array/cpu/array_repeat.cc
- * \brief Array repeat CPU implementation
+ * @file array/cpu/array_repeat.cc
+ * @brief Array repeat CPU implementation
  */
 #include <dgl/array.h>
 

src/array/cpu/array_scatter.cc

 /*!
  *  Copyright (c) 2019 by Contributors
- * \file array/cpu/array_scatter.cc
- * \brief Array scatter CPU implementation
+ * @file array/cpu/array_scatter.cc
+ * @brief Array scatter CPU implementation
  */
 #include <dgl/array.h>
 #include <dgl/runtime/parallel_for.h>

src/array/cpu/array_sort.cc

 /*!
  *  Copyright (c) 2020 by Contributors
- * \file array/cpu/array_sort.cc
- * \brief Array sort CPU implementation
+ * @file array/cpu/array_sort.cc
+ * @brief Array sort CPU implementation
  */
 #include <dgl/array.h>
 #ifdef PARALLEL_ALGORITHMS

src/array/cpu/array_utils.h

 /*!
  *  Copyright (c) 2019 by Contributors
- * \file dgl/array_utils.h
- * \brief Utility classes and functions for DGL arrays.
+ * @file dgl/array_utils.h
+ * @brief Utility classes and functions for DGL arrays.
  */
 #ifndef DGL_ARRAY_CPU_ARRAY_UTILS_H_
 #define DGL_ARRAY_CPU_ARRAY_UTILS_H_
@@ -19,7 +19,7 @@ namespace dgl {
 namespace aten {
 
 /*!
- * \brief A hashmap that maps each ids in the given array to new ids starting
+ * @brief A hashmap that maps each ids in the given array to new ids starting
  * from zero.
  *
  * Useful for relabeling integers and finding unique integers.
@@ -110,7 +110,7 @@ class IdHashMap {
 };
 
 /*
- * \brief Hash type for building maps/sets with pairs as keys.
+ * @brief Hash type for building maps/sets with pairs as keys.
  */
 struct PairHash {
   template <class T1, class T2>

src/array/cpu/coo_coalesce.cc

 /*!
  *  Copyright (c) 2019 by Contributors
- * \file array/cpu/coo_coalesce.cc
- * \brief COO coalescing
+ * @file array/cpu/coo_coalesce.cc
+ * @brief COO coalescing
  */
 
 #include <dgl/array.h>

src/array/cpu/coo_linegraph.cc

 /*!
  *  Copyright (c) 2020 by Contributors
- * \file array/cpu/coo_line_graph.cc
- * \brief COO LineGraph
+ * @file array/cpu/coo_line_graph.cc
+ * @brief COO LineGraph
  */
 
 #include <dgl/array.h>

src/array/cpu/coo_remove.cc

 /*!
  *  Copyright (c) 2020 by Contributors
- * \file array/cpu/coo_remove.cc
- * \brief COO matrix remove entries CPU implementation
+ * @file array/cpu/coo_remove.cc
+ * @brief COO matrix remove entries CPU implementation
  */
 #include <dgl/array.h>
 
@@ -17,7 +17,7 @@ namespace impl {
 
 namespace {
 
-/*! \brief COORemove implementation for COOMatrix with default consecutive edge
+/*! @brief COORemove implementation for COOMatrix with default consecutive edge
  * IDs */
 template <DGLDeviceType XPU, typename IdType>
 void COORemoveConsecutive(
@@ -45,7 +45,7 @@ void COORemoveConsecutive(
   }
 }
 
-/*! \brief COORemove implementation for COOMatrix with shuffled edge IDs */
+/*! @brief COORemove implementation for COOMatrix with shuffled edge IDs */
 template <DGLDeviceType XPU, typename IdType>
 void COORemoveShuffled(
     COOMatrix coo, IdArray entries, std::vector<IdType> *new_rows,

src/array/cpu/coo_sort.cc

 /*!
  *  Copyright (c) 2020 by Contributors
- * \file array/cpu/coo_sort.cc
- * \brief COO sorting
+ * @file array/cpu/coo_sort.cc
+ * @brief COO sorting
  */
 #include <dgl/array.h>
 #ifdef PARALLEL_ALGORITHMS

src/array/cpu/csr_get_data.cc

 /*!
  *  Copyright (c) 2021 by Contributors
- * \file array/cpu/csr_get_data.cc
- * \brief Retrieve entries of a CSR matrix
+ * @file array/cpu/csr_get_data.cc
+ * @brief Retrieve entries of a CSR matrix
  */
 #include <dgl/array.h>
 #include <dgl/runtime/parallel_for.h>

src/array/cpu/csr_mm.cc

 /*!
  *  Copyright (c) 2019 by Contributors
- * \file array/cpu/csr_mm.cc
- * \brief CSR Matrix Multiplication
+ * @file array/cpu/csr_mm.cc
+ * @brief CSR Matrix Multiplication
  */
 
 #include <dgl/array.h>

src/array/cpu/csr_remove.cc

 /*!
  *  Copyright (c) 2020 by Contributors
- * \file array/cpu/coo_remove.cc
- * \brief CSR matrix remove entries CPU implementation
+ * @file array/cpu/coo_remove.cc
+ * @brief CSR matrix remove entries CPU implementation
  */
 #include <dgl/array.h>
 

src/array/cpu/csr_sort.cc

 /*!
  *  Copyright (c) 2020 by Contributors
- * \file array/cpu/csr_sort.cc
- * \brief CSR sorting
+ * @file array/cpu/csr_sort.cc
+ * @brief CSR sorting
  */
 #include <dgl/array.h>
 #include <dgl/runtime/parallel_for.h>

src/array/cpu/csr_sum.cc

 /*!
  *  Copyright (c) 2019 by Contributors
- * \file array/cpu/csr_sum.cc
- * \brief CSR Summation
+ * @file array/cpu/csr_sum.cc
+ * @brief CSR Summation
  */
 
 #include <dgl/array.h>

src/array/cpu/csr_to_simple.cc

 /*!
  *  Copyright (c) 2020 by Contributors
- * \file array/cpu/csr_to_simple.cc
- * \brief CSR sorting
+ * @file array/cpu/csr_to_simple.cc
+ * @brief CSR sorting
  */
 #include <dgl/array.h>
 

src/array/cpu/csr_union.cc

 /*!
  *  Copyright (c) 2020 by Contributors
- * \file array/cpu/coo_sort.cc
- * \brief COO sorting
+ * @file array/cpu/coo_sort.cc
+ * @brief COO sorting
  */
 #include <dgl/array.h>
 #include <dgl/runtime/parallel_for.h>

src/array/cpu/disjoint_union.cc

@@ -13,8 +13,8 @@
  *   See the License for the specific language governing permissions and
  *   limitations under the License.
  *
- * \file array/cpu/disjoint_union.cc
- * \brief Disjoint union CPU implementation.
+ * @file array/cpu/disjoint_union.cc
+ * @brief Disjoint union CPU implementation.
  */
 
 #include <dgl/array.h>