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/*
* Copyright (c) 2022 Samsung Electronics Co., Ltd. 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.
*/
#ifndef __ONERT_UTIL_CALCULATE_ACTIVATION_RANGE_H__
#define __ONERT_UTIL_CALCULATE_ACTIVATION_RANGE_H__
#include <limits>
#include "ir/InternalType.h"
namespace onert
{
namespace util
{
template <typename T>
void CalculateActivationRange(ir::Activation activation, T *activation_min, T *activation_max)
{
if (activation == ir::Activation::RELU)
{
*activation_min = 0;
*activation_max = std::numeric_limits<T>::max();
}
else if (activation == ir::Activation::RELU6)
{
*activation_min = 0;
*activation_max = 6;
}
else if (activation == ir::Activation::RELU1)
{
*activation_min = -1;
*activation_max = 1;
}
else if (activation == ir::Activation::SIGMOID)
{
*activation_min = 0;
*activation_max = 1;
}
else if (activation == ir::Activation::NONE)
{
*activation_min = std::numeric_limits<T>::lowest();
*activation_max = std::numeric_limits<T>::max();
}
else
{
throw std::runtime_error{"Unsupported fused activation function."};
}
}
} // namespace util
} // namespace onert
#endif // __ONERT_UTIL_CALCULATE_ACTIVATION_RANGE_H__
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