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Diffstat (limited to 'runtime/contrib/pure_arm_compute/src/internal/nnapi/feature/Utils.h')
-rw-r--r-- | runtime/contrib/pure_arm_compute/src/internal/nnapi/feature/Utils.h | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/runtime/contrib/pure_arm_compute/src/internal/nnapi/feature/Utils.h b/runtime/contrib/pure_arm_compute/src/internal/nnapi/feature/Utils.h new file mode 100644 index 000000000..ee59d217e --- /dev/null +++ b/runtime/contrib/pure_arm_compute/src/internal/nnapi/feature/Utils.h @@ -0,0 +1,82 @@ +/* + * Copyright (c) 2018 Samsung Electronics Co., Ltd. All Rights Reserved + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +/** + * @file Utils.h + * @ingroup COM_AI_RUNTIME + * @brief This file defines utility functions used in internal::nnapi::feature namespace + */ +#ifndef __INTERNAL_NNAPI_FEATURE_UTILS_H__ +#define __INTERNAL_NNAPI_FEATURE_UTILS_H__ + +#include "misc/feature/Shape.h" + +namespace internal +{ +namespace nnapi +{ +namespace feature +{ + +/** + * @brief Get position of element using channel, row, and column for 3D feature + * @param[in] shape Shape of feature + * @param[in] ch Channel index + * @param[in] row Row index + * @param[in] col Column index + * @return Position of element + */ +inline uint32_t index_of(const ::nnfw::misc::feature::Shape &shape, uint32_t ch, uint32_t row, + uint32_t col) +{ + uint32_t res = 0; + + // NNAPI uses NHWC ordering + res += row * shape.W * shape.C; + res += col * shape.C; + res += ch; + + return res; +} + +/** + * @brief Get position of element using batch, channel, row, and column for 4D feature + * @param[in] shape Shape of feature + * @param[in] batch Batch index + * @param[in] ch Channel index + * @param[in] row Row index + * @param[in] col Column index + * @return Position of element + */ +inline uint32_t index_of(const ::nnfw::misc::feature::Shape &shape, uint32_t batch, uint32_t ch, + uint32_t row, uint32_t col) +{ + uint32_t res = 0; + + // NNAPI uses NHWC ordering + res += batch * shape.H * shape.W * shape.C; + res += row * shape.W * shape.C; + res += col * shape.C; + res += ch; + + return res; +} + +} // namespace feature +} // namespace nnapi +} // namespace internal + +#endif // __INTERNAL_NNAPI_FEATURE_UTILS_H__ |