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-rw-r--r--runtimes/pure_arm_compute/src/internal/nnapi/tensor/View.h49
1 files changed, 41 insertions, 8 deletions
diff --git a/runtimes/pure_arm_compute/src/internal/nnapi/tensor/View.h b/runtimes/pure_arm_compute/src/internal/nnapi/tensor/View.h
index 80e1bb057..f8f297f97 100644
--- a/runtimes/pure_arm_compute/src/internal/nnapi/tensor/View.h
+++ b/runtimes/pure_arm_compute/src/internal/nnapi/tensor/View.h
@@ -14,11 +14,16 @@
* limitations under the License.
*/
+/**
+ * @file View.h
+ * @ingroup COM_AI_RUNTIME
+ * @brief This file defines internal::nnapi::tensor::View class
+ */
#ifndef __INTERNAL_NNAPI_TENSOR_VIEW_H__
#define __INTERNAL_NNAPI_TENSOR_VIEW_H__
-#include "util/tensor/Shape.h"
-#include "util/tensor/Index.h"
+#include "misc/tensor/Shape.h"
+#include "misc/tensor/Index.h"
namespace internal
{
@@ -27,20 +32,38 @@ namespace nnapi
namespace tensor
{
+/**
+ * @brief Class to access tensor's element information using index
+ */
template <typename T> class View
{
public:
+ /**
+ * @brief Construct a new View object
+ * @param[in] shape Shape of tensor
+ * @param[in] ptr Pointer to tensor data
+ * @param[in] len Size of tensor (byte)
+ */
// NOTE The parameter len denotes the number of bytes.
- View(const ::nnfw::util::tensor::Shape &shape, T *ptr, size_t len) : _shape{shape}, _ptr{ptr}
+ View(const ::nnfw::misc::tensor::Shape &shape, T *ptr, size_t len) : _shape{shape}, _ptr{ptr}
{
assert(shape.element_nums() * sizeof(T) == len);
}
public:
- const nnfw::util::tensor::Shape &shape(void) const { return _shape; }
+ /**
+ * @brief Get shape of tensor
+ * @return Shape of tensor
+ */
+ const nnfw::misc::tensor::Shape &shape(void) const { return _shape; }
private:
- uint32_t offset_of(const nnfw::util::tensor::Index &index) const
+ /**
+ * @brief Get position of element using index in tensor
+ * @param[in] index Index of element
+ * @return Position of element
+ */
+ uint32_t offset_of(const nnfw::misc::tensor::Index &index) const
{
if (_shape.rank() == 0)
{
@@ -60,14 +83,24 @@ private:
}
public:
- T at(const nnfw::util::tensor::Index &index) const
+ /**
+ * @brief Get value of element at index
+ * @param[in] index Index of element
+ * @return Value of element at index
+ */
+ T at(const nnfw::misc::tensor::Index &index) const
{
const auto offset = offset_of(index);
return _ptr[offset];
}
- T &at(const nnfw::util::tensor::Index &index)
+ /**
+ * @brief Get reference of element at index
+ * @param[in] index Index of element
+ * @return Reference of element at index
+ */
+ T &at(const nnfw::misc::tensor::Index &index)
{
const auto offset = offset_of(index);
@@ -75,7 +108,7 @@ public:
}
private:
- nnfw::util::tensor::Shape _shape;
+ nnfw::misc::tensor::Shape _shape;
private:
T *_ptr;