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/*
* Copyright (c) 2019 ARM Limited.
*
* SPDX-License-Identifier: MIT
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to
* deal in the Software without restriction, including without limitation the
* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
* sell copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#ifndef ARM_COMPUTE_MISC_INFO_HELPERS_H
#define ARM_COMPUTE_MISC_INFO_HELPERS_H
#include "arm_compute/core/Error.h"
#include "arm_compute/core/Types.h"
namespace arm_compute
{
namespace utils
{
namespace info_helpers
{
/** Checks if activation information correspond to a relu activation function
*
* @param[in] activation_info Activation metadata
*
* @return True if activation metadata correspond to a relu activation else false
*/
inline bool is_relu(ActivationLayerInfo activation_info)
{
return activation_info.enabled() && activation_info.activation() == ActivationLayerInfo::ActivationFunction::RELU;
}
/** Checks if activation information correspond to a relu6 activation function
*
* @param[in] activation_info Activation metadata
*
* @return True if activation metadata correspond to a relu6 activation else false
*/
inline bool is_relu6(ActivationLayerInfo activation_info)
{
const bool is_lu_bounded_relu = activation_info.activation() == ActivationLayerInfo::ActivationFunction::LU_BOUNDED_RELU
&& activation_info.a() == 6.f && activation_info.b() == 0.f;
const bool is_bounded_relu = activation_info.activation() == ActivationLayerInfo::ActivationFunction::BOUNDED_RELU
&& activation_info.a() == 6.f;
return activation_info.enabled() && (is_lu_bounded_relu || is_bounded_relu);
}
} // namespace info_helpers
} // namespace utils
} // namespace arm_compute
#endif /* ARM_COMPUTE_MISC_INFO_HELPERS_H */
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