1 /* Copyright 2021 The TensorFlow Authors. All Rights Reserved.
2
3 Licensed under the Apache License, Version 2.0 (the "License");
4 you may not use this file except in compliance with the License.
5 You may obtain a copy of the License at
6
7 http://www.apache.org/licenses/LICENSE-2.0
8
9 Unless required by applicable law or agreed to in writing, software
10 distributed under the License is distributed on an "AS IS" BASIS,
11 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 See the License for the specific language governing permissions and
13 limitations under the License.
14 ==============================================================================*/
15 #ifndef TENSORFLOW_LITE_KERNELS_INTERNAL_REFERENCE_ELU_H_
16 #define TENSORFLOW_LITE_KERNELS_INTERNAL_REFERENCE_ELU_H_
17
18 #include "tensorflow/lite/kernels/internal/cppmath.h"
19 #include "tensorflow/lite/kernels/internal/types.h"
20
21 namespace tflite {
22
23 namespace reference_ops {
24
Elu(const RuntimeShape & input_shape,const float * input_data,const RuntimeShape & output_shape,float * output_data)25 inline void Elu(const RuntimeShape& input_shape, const float* input_data,
26 const RuntimeShape& output_shape, float* output_data) {
27 const int flat_size = MatchingFlatSize(input_shape, output_shape);
28 for (int i = 0; i < flat_size; ++i) {
29 const float val = input_data[i];
30 output_data[i] = val < 0.0f ? TfLiteExpm1(val) : val;
31 }
32 }
33
34 } // namespace reference_ops
35 } // namespace tflite
36
37 #endif // TENSORFLOW_LITE_KERNELS_INTERNAL_REFERENCE_ELU_H_
38
