2 * Copyright (c) 2021 Samsung Electronics Co., Ltd. All Rights Reserved
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
17 #ifndef LUCI_INTERPRETER_PAL_SOFTMAX_H
18 #define LUCI_INTERPRETER_PAL_SOFTMAX_H
20 #include <tensorflow/lite/kernels/internal/reference/softmax.h>
22 namespace luci_interpreter_pal
24 static inline void PopulateSoftmaxLookupTable(tflite::SoftmaxParams *data, float input_scale,
33 static inline void InitializeParams(tflite::SoftmaxParams *params, float input_scale, float beta)
35 int32 input_beta_multiplier;
36 int input_beta_left_shift;
37 static const int kScaledDiffIntegerBits = 5;
38 tflite::PreprocessSoftmaxScaling(beta, input_scale, kScaledDiffIntegerBits,
39 &input_beta_multiplier, &input_beta_left_shift);
41 params->input_multiplier = input_beta_multiplier;
42 params->input_left_shift = input_beta_left_shift;
44 -tflite::CalculateInputRadius(kScaledDiffIntegerBits, params->input_left_shift);
48 static inline void Softmax(const tflite::SoftmaxParams ¶ms,
49 const tflite::RuntimeShape &input_shape, const T *input_data,
50 const tflite::RuntimeShape &output_shape, T *output_data)
52 // MARK: At this moment this operation doesn't support on mcu
53 assert(false && "Softmax NYI");
60 } // namespace luci_interpreter_pal
62 #endif // LUCI_INTERPRETER_PAL_SOFTMAX_H