1 files changed, 56 insertions, 5 deletions

diff --git a/runtimes/pure_arm_compute/src/internal/nnapi/feature/View.h b/runtimes/pure_arm_compute/src/internal/nnapi/feature/View.h
index 083b6b055..965e42f1c 100644
--- a/runtimes/pure_arm_compute/src/internal/nnapi/feature/View.h
+++ b/runtimes/pure_arm_compute/src/internal/nnapi/feature/View.h
@@ -14,12 +14,17 @@
  * limitations under the License.
  */
 
+/**
+ * @file    View.h
+ * @ingroup COM_AI_RUNTIME
+ * @brief   This file defines internal::nnapi::feature::View class
+ */
 #ifndef __INTERNAL_NNAPI_FEATURE_VIEW_H__
 #define __INTERNAL_NNAPI_FEATURE_VIEW_H__
 
 #include "internal/nnapi/feature/Utils.h"
 
-#include "util/feature/Reader.h"
+#include "misc/feature/Reader.h"
 
 namespace internal
 {
@@ -28,25 +33,55 @@ namespace nnapi
 namespace feature
 {
 
-template <typename T> class View final : public nnfw::util::feature::Reader<T>
+/**
+ * @brief   Class to access feature's element information using index
+ */
+template <typename T> class View final : public nnfw::misc::feature::Reader<T>
 {
 public:
+  /**
+   * @brief     Construct a new View object
+   * @param[in] shape Shape of feature
+   * @param[in] ptr   Pointer to feature data
+   * @param[in] len   Size of feature (byte)
+   * @return
+   */
   // NOTE The parameter len denotes the number of bytes.
-  View(const ::nnfw::util::feature::Shape &shape, T *ptr, size_t len) : _shape{shape}, _ptr{ptr}
+  View(const ::nnfw::misc::feature::Shape &shape, T *ptr, size_t len) : _shape{shape}, _ptr{ptr}
   {
     assert(shape.N * shape.C * shape.H * shape.W * sizeof(T) == len);
   }
 
 public:
-  const nnfw::util::feature::Shape &shape(void) const { return _shape; }
+  /**
+   * @brief   Get shape of feature
+   * @return  Shape of feature
+   */
+  const nnfw::misc::feature::Shape &shape(void) const { return _shape; }
 
 public:
+  /**
+   * @brief     Get value of element in 3D feature using channel, row, and column index
+   * @param[in] ch  Channel index
+   * @param[in] row Row index
+   * @param[in] col Column index
+   * @return    Value of element
+   */
   T at(uint32_t ch, uint32_t row, uint32_t col) const override
   {
     uint32_t index = index_of(_shape, ch, row, col);
 
     return _ptr[index];
   }
+
+  /**
+   * @brief     Get value of element in 4D feature using batch, channel, row and column index
+   * @param[in] batch Batch index
+   * @param[in] ch    Channel index
+   * @param[in] row   Row index
+   * @param[in] col   Column index
+   * @return    Value of element
+   */
   T at(uint32_t batch, uint32_t ch, uint32_t row, uint32_t col) const override
   {
     uint32_t index = index_of(_shape, batch, ch, row, col);
@@ -54,12 +89,28 @@ public:
     return _ptr[index];
   }
 
+  /**
+   * @brief     Get reference of element in 3D feature using channel, row, and column index
+   * @param[in] ch  Channel index
+   * @param[in] row Row index
+   * @param[in] col Column index
+   * @return    Reference of element
+   */
   T &at(uint32_t ch, uint32_t row, uint32_t col)
   {
     uint32_t index = index_of(_shape, ch, row, col);
 
     return _ptr[index];
   }
+
+  /**
+   * @brief     Get reference of element in 4D feature using batch, channel, row and column index
+   * @param[in] batch Batch index
+   * @param[in] ch    Channel index
+   * @param[in] row   Row index
+   * @param[in] col   Column index
+   * @return    Reference of element
+   */
   T &at(uint32_t batch, uint32_t ch, uint32_t row, uint32_t col)
   {
     uint32_t index = index_of(_shape, batch, ch, row, col);
@@ -68,7 +119,7 @@ public:
   }
 
 private:
-  nnfw::util::feature::Shape _shape;
+  nnfw::misc::feature::Shape _shape;
 
 private:
   T *_ptr;