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/*
* Copyright (c) 2019 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.
*/
/**
* @file utils.h
* @ingroup COM_AI_RUNTIME
* @brief This file contains utils for arm compute library
*/
#ifndef __ARM_COMPUTE_MISC_UTILS_H__
#define __ARM_COMPUTE_MISC_UTILS_H__
#include <string>
#include <cassert>
#include <arm_compute/runtime/CL/CLTensor.h>
#include <arm_compute/core/Coordinates.h>
#include <arm_compute/core/TensorInfo.h>
#include <arm_compute/core/TensorShape.h>
#include <arm_compute/core/Types.h>
// TODO : It should be extracted to independent module.
namespace arm_compute
{
namespace misc
{
namespace utils
{
/**
* @brief Check if this runtime runs on GPU or NEON
* @return @c true if GPU mode, otherwise @c false
*/
bool isGpuMode();
#ifndef CAST_CL
#define CAST_CL(tensor) static_cast<::arm_compute::CLTensor *>(tensor)
#endif
#ifndef CAST_NE
#define CAST_NE(tensor) static_cast<::arm_compute::Tensor *>(tensor)
#endif
/**
* @brief Generate arm compute permutation vector from runtime permutation vector
* @param[in] rank Rank number supported upto 4
* @param[in] runtime_pv Integer array for runtime permutation vector
* @return Permutation vector of arm compute
*/
arm_compute::PermutationVector getARMComputePermutationVector(uint32_t rank,
const int32_t *runtime_pv);
/**
* @brief Set value to arm compute tensor with casting
* @param[in] value Value to set
* @param[out] to Target tensor of arm compute
* @param[in] id Position of element
* @return N/A
*/
template <typename FromT>
void copyCast(const FromT value, arm_compute::ITensor *to, const arm_compute::Coordinates &id)
{
switch (to->info()->data_type())
{
case arm_compute::DataType::F32:
{
*reinterpret_cast<float *>(to->ptr_to_element(id)) = static_cast<float>(value);
break;
}
case arm_compute::DataType::S32:
{
*reinterpret_cast<int32_t *>(to->ptr_to_element(id)) = static_cast<int32_t>(value);
break;
}
case arm_compute::DataType::U32:
{
*reinterpret_cast<uint32_t *>(to->ptr_to_element(id)) = static_cast<uint32_t>(value);
break;
}
case arm_compute::DataType::QASYMM8:
{
float realValue = static_cast<float>(value);
// NOTE We haven't known the policy of rounding for quantization.
// So this is set to a temporary value.
*(to->ptr_to_element(id)) =
to->info()->quantization_info().quantize(realValue, arm_compute::RoundingPolicy::TO_ZERO);
break;
}
default:
throw std::runtime_error("Not supported, yet");
break;
}
}
} // namespace utils
} // namespace misc
} // namespace arm_compute
#endif // __ARM_COMPUTE_MISC_UTILS_H__
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