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//
// Copyright © 2021-2023 Arm Ltd and Contributors. All rights reserved.
// SPDX-License-Identifier: MIT
//
#include "SharedFunctions.hpp"
#include <ClassicDelegateUtils.hpp>
#include <tensorflow/lite/builtin_ops.h>
#include <tensorflow/lite/c/builtin_op_data.h>
#include <tensorflow/lite/c/common.h>
#include <tensorflow/lite/minimal_logging.h>
namespace armnnDelegate
{
TfLiteStatus ValidateFloorOperator(DelegateData& delegateData,
TfLiteContext* tfLiteContext,
const armnn::TensorInfo& inputTensorInfo,
const armnn::TensorInfo& outputTensorInfo)
{
bool isSupported = false;
auto validateFunc = [&](const armnn::TensorInfo& outInfo, bool& isSupported)
{
FORWARD_LAYER_SUPPORT_FUNC("FLOOR",
tfLiteContext,
IsFloorSupported,
delegateData.m_Backends,
isSupported,
armnn::BackendId(),
inputTensorInfo,
outInfo);
};
validateFunc(outputTensorInfo, isSupported);
return isSupported ? kTfLiteOk : kTfLiteError;
}
TfLiteStatus ValidateFusedActivationOperator(DelegateData& delegateData,
TfLiteContext* tfLiteContext,
const armnn::TensorInfo& inputInfo,
const armnn::TensorInfo& outputInfo,
TfLiteFusedActivation activationType)
{
armnn::ActivationDescriptor activationDesc;
switch (activationType)
{
case kTfLiteActNone:
{
// No Activation
return kTfLiteOk;
}
case kTfLiteActRelu:
{
activationDesc.m_Function = armnn::ActivationFunction::ReLu;
break;
}
// The name of kTfLiteActRelu1 changed after TF Lite v2.3
#if defined(ARMNN_POST_TFLITE_2_3)
case kTfLiteActReluN1To1:
#else
case kTfLiteActRelu1:
#endif
{
activationDesc.m_Function = armnn::ActivationFunction::BoundedReLu;
activationDesc.m_A = 1.0f;
activationDesc.m_B = -1.0f;
break;
}
case kTfLiteActRelu6:
{
activationDesc.m_Function = armnn::ActivationFunction::BoundedReLu;
activationDesc.m_A = 6.0f;
activationDesc.m_B = 0.0f;
break;
}
case kTfLiteActSigmoid:
{
activationDesc.m_Function = armnn::ActivationFunction::Sigmoid;
break;
}
case kTfLiteActTanh:
{
activationDesc.m_Function = armnn::ActivationFunction::TanH;
activationDesc.m_A = 1.0f;
activationDesc.m_B = 1.0f;
break;
}
default:
return kTfLiteError;
}
bool isSupported = false;
armnn::BackendId setBackend;
auto validateFunc = [&](const armnn::TensorInfo& outputInfo, bool& isSupported)
{
FORWARD_LAYER_SUPPORT_FUNC("ACTIVATION",
tfLiteContext,
IsActivationSupported,
delegateData.m_Backends,
isSupported,
armnn::BackendId(),
inputInfo,
outputInfo,
activationDesc);
};
validateFunc(outputInfo, isSupported);
return isSupported ? kTfLiteOk : kTfLiteError;
}
} // namespace armnnDelegate
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