chromium/third_party/tflite/src/tensorflow/lite/kernels/select.cc

/* Copyright 2018 The TensorFlow Authors. 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.
==============================================================================*/
#include <stddef.h>
#include <stdint.h>

#include "tensorflow/lite/core/c/common.h"
#include "tensorflow/lite/kernels/internal/reference/reference_ops.h"
#include "tensorflow/lite/kernels/internal/tensor.h"
#include "tensorflow/lite/kernels/internal/tensor_ctypes.h"
#include "tensorflow/lite/kernels/kernel_util.h"

namespace tflite {
namespace ops {
namespace builtin {
namespace select {

constexpr int kInputTensorCondition = …;
constexpr int kInputTensorX = …;
constexpr int kInputTensorY = …;
constexpr int kOutputTensor = …;

enum KernelType { … };

struct OpData { … };

void* SelectInit(TfLiteContext* context, const char* buffer, size_t length) { … }

void SelectFree(TfLiteContext* context, void* buffer) { … }

template <KernelType kernel_type>
TfLiteStatus SelectPrepare(TfLiteContext* context, TfLiteNode* node) { … }

TfLiteStatus SelectEval(TfLiteContext* context, TfLiteNode* node) { … }

}  // namespace select

// Select op selects values of 'x' if the corresponding value of 'condition' is
// true or the value of 'y' if false. There are valid condition input sizes:
//
// 1. Either the same shape (in which case the select is elementwise), or
// 2. condition must be Rank 1 and match over the first dimension, or
// 3. condition is scalar
TfLiteRegistration* Register_SELECT() { … }

// SelectV2 op selects values of 'x' if the corresponding value of 'condition'
// is true or the value of 'y' if false. There are valid condition input sizes:
//
// 1. Either the same shape (in which case the select is elementwise), or
// 2. Broadcastable shapes between 'condition', 'x' and 'y'.
TfLiteRegistration* Register_SELECT_V2() { … }

}  // namespace builtin
}  // namespace ops
}  // namespace tflite