65 lines
2.6 KiB
C++
65 lines
2.6 KiB
C++
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/*
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* Copyright (C) 2022 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "LogisticOperationConverter.h"
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#include <vector>
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#include "OperationConverterResolver.h"
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#include "SubGraphContext.h"
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namespace android {
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namespace nn {
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Result<std::vector<int32_t>> LogisticOperationConverter::getLogisticInputs(
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const Operation& operation, SubGraphContext* context) const {
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NN_TRY(context->createTensorFlatbufferFromOperand(operation.inputs[kInputTensorIdx]));
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std::vector<int32_t> inputs{
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context->getTensorIdxFromOperandIdx(operation.inputs[kInputTensorIdx])};
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return inputs;
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}
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Result<std::vector<int32_t>> LogisticOperationConverter::getLogisticOutputs(
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const Operation& operation, SubGraphContext* context) const {
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NN_TRY(context->createTensorFlatbufferFromOperand(operation.outputs[kOutputTensorIdx]));
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std::vector<int32_t> outputs{
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context->getTensorIdxFromOperandIdx(operation.outputs[kOutputTensorIdx])};
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return outputs;
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}
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Result<void> LogisticOperationConverter::convert(const Operation& operation,
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SubGraphContext* context) const {
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// add opcode for LOGISTIC if not added yet
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uint32_t opCodeIdx = context->addOpCode(OperationType::LOGISTIC);
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std::vector<int32_t> inputs = NN_TRY(getLogisticInputs(operation, context));
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std::vector<int32_t> outputs = NN_TRY(getLogisticOutputs(operation, context));
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auto optionsFlatbuffer = tflite::CreateLogSoftmaxOptions(context->getBuilder());
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auto operatorFlatbuffer = tflite::CreateOperatorDirect(
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context->getBuilder() /* builder */, opCodeIdx /* opcode_index */, &inputs /* inputs */,
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&outputs /* outputs */,
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tflite::BuiltinOptions::BuiltinOptions_LogSoftmaxOptions /* builtin_options_type */,
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optionsFlatbuffer.Union() /* builtin_options */);
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context->addOperatorFlatbuffer(operatorFlatbuffer);
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return {};
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}
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NN_REGISTER_OPERATION_CONVERTER(LOGISTIC, LogisticOperationConverter);
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} // namespace nn
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} // namespace android
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