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

/* Copyright 2017 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.
==============================================================================*/

// SVDF op that compresses a fully connected op via low-rank matrix
// factorization. See https://research.google.com/pubs/archive/43813.pdf for
// details.

#include "tensorflow/lite/kernels/internal/reference/svdf.h"

#include <cstddef>
#include <cstdint>

#include "tensorflow/lite/core/c/builtin_op_data.h"
#include "tensorflow/lite/core/c/common.h"
#include "tensorflow/lite/kernels/internal/compatibility.h"
#include "tensorflow/lite/kernels/internal/quantization_util.h"
#include "tensorflow/lite/kernels/internal/tensor_ctypes.h"
#include "tensorflow/lite/kernels/internal/tensor_utils.h"
#include "tensorflow/lite/kernels/kernel_util.h"

namespace tflite {
namespace ops {
namespace builtin {
namespace svdf {

namespace {

struct OpData { … };

}  // namespace

// Input tensors.
constexpr int kInputTensor = …;
constexpr int kWeightsFeatureTensor = …;
constexpr int kWeightsTimeTensor = …;
constexpr int kBiasTensor = …;
// This is a variable tensor, and will be modified by this op.
constexpr int kStateTensor = …;

// Output tensor.
constexpr int kOutputTensor = …;

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

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

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

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

}  // namespace svdf

TfLiteRegistration* Register_SVDF() { … }

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