| /* Copyright 2023 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 "signal/micro/kernels/filter_bank_square_root.h" |
| #include "tensorflow/lite/kernels/kernel_util.h" |
| #include "tensorflow/lite/micro/kernels/kernel_util.h" |
| |
| namespace tflite { |
| |
| constexpr int kInputTensor = 0; |
| constexpr int kScaleBitsTensor = 1; |
| constexpr int kOutputTensor = 0; |
| |
| TfLiteStatus FilterBankSquareRootPrepare(TfLiteContext* context, |
| TfLiteNode* node) { |
| TF_LITE_ENSURE_EQ(context, NumInputs(node), 2); |
| TF_LITE_ENSURE_EQ(context, NumOutputs(node), 1); |
| |
| MicroContext* micro_context = GetMicroContext(context); |
| |
| TfLiteTensor* input = |
| micro_context->AllocateTempInputTensor(node, kInputTensor); |
| TfLiteTensor* scale_bits = |
| micro_context->AllocateTempInputTensor(node, kScaleBitsTensor); |
| TfLiteTensor* output = |
| micro_context->AllocateTempOutputTensor(node, kOutputTensor); |
| TF_LITE_ENSURE(context, input != nullptr); |
| TF_LITE_ENSURE(context, scale_bits != nullptr); |
| TF_LITE_ENSURE(context, output != nullptr); |
| |
| TF_LITE_ENSURE_EQ(context, NumDimensions(input), 1); |
| TF_LITE_ENSURE_EQ(context, NumDimensions(scale_bits), 0); |
| TF_LITE_ENSURE_EQ(context, NumDimensions(output), 1); |
| |
| TF_LITE_ENSURE_TYPES_EQ(context, input->type, kTfLiteUInt64); |
| TF_LITE_ENSURE_TYPES_EQ(context, scale_bits->type, kTfLiteInt32); |
| TF_LITE_ENSURE_TYPES_EQ(context, output->type, kTfLiteUInt32); |
| |
| micro_context->DeallocateTempTfLiteTensor(input); |
| micro_context->DeallocateTempTfLiteTensor(output); |
| micro_context->DeallocateTempTfLiteTensor(scale_bits); |
| return kTfLiteOk; |
| } |
| |
| } // namespace tflite |