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/*
* Copyright (c) 2017 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_TEST_HISTOGRAM_FIXTURE
#define ARM_COMPUTE_TEST_HISTOGRAM_FIXTURE
#include "arm_compute/core/TensorShape.h"
#include "arm_compute/core/Types.h"
#include "tests/AssetsLibrary.h"
#include "tests/Globals.h"
#include "tests/IAccessor.h"
#include "tests/framework/Asserts.h"
#include "tests/framework/Fixture.h"
#include "tests/validation/reference/Histogram.h"
#include "utils/Utils.h"
#include <random>
namespace arm_compute
{
namespace test
{
namespace validation
{
template <typename TensorType, typename AccessorType, typename FunctionType, typename T, typename DistributionType>
class HistogramValidationFixture : public framework::Fixture
{
public:
template <typename...>
void setup(TensorShape shape, DataType data_type)
{
std::mt19937 gen(library->seed());
std::uniform_int_distribution<size_t> distribution_size_t(1, 30);
const size_t num_bins = distribution_size_t(gen);
std::uniform_int_distribution<int32_t> distribution_int32_t(0, 125);
const size_t offset = distribution_int32_t(gen);
std::uniform_int_distribution<uint32_t> distribution_uint32_t(1, 255 - offset);
const size_t range = distribution_uint32_t(gen);
_target = compute_target(shape, data_type, num_bins, offset, range);
_reference = compute_reference(shape, data_type, num_bins, offset, range);
}
protected:
template <typename U>
void fill(U &&tensor)
{
library->fill_tensor_uniform(tensor, 0);
}
TensorType compute_target(const TensorShape &shape, DataType data_type, size_t num_bins, int32_t offset, uint32_t range)
{
// Create tensors
TensorType src = create_tensor<TensorType>(shape, data_type);
TensorType dst = create_tensor<TensorType>(TensorShape(num_bins), DataType::U32);
DistributionType distribution_dst(num_bins, offset, range);
// Create and configure function
FunctionType histogram;
histogram.configure(&src, &distribution_dst);
ARM_COMPUTE_EXPECT(src.info()->is_resizable(), framework::LogLevel::ERRORS);
ARM_COMPUTE_EXPECT(dst.info()->is_resizable(), framework::LogLevel::ERRORS);
// Allocate tensors
src.allocator()->allocate();
dst.allocator()->allocate();
ARM_COMPUTE_EXPECT(!src.info()->is_resizable(), framework::LogLevel::ERRORS);
ARM_COMPUTE_EXPECT(!dst.info()->is_resizable(), framework::LogLevel::ERRORS);
// Fill tensors
fill(AccessorType(src));
// Compute function
histogram.run();
// Copy the distribution in a tensor
arm_compute::utils::map(distribution_dst, true);
AccessorType accessor_dst = AccessorType(dst);
uint32_t *dst_data = static_cast<uint32_t *>(accessor_dst.data());
ARM_COMPUTE_EXPECT(accessor_dst.size() <= dst.info()->total_size(), framework::LogLevel::ERRORS);
std::copy_n(distribution_dst.buffer(), num_bins, dst_data);
arm_compute::utils::unmap(distribution_dst);
return dst;
}
SimpleTensor<uint32_t> compute_reference(const TensorShape &shape, DataType data_type, size_t num_bins, int32_t offset, uint32_t range)
{
ARM_COMPUTE_ERROR_ON(data_type != DataType::U8);
// Create reference
SimpleTensor<T> src{ shape, data_type };
// Fill reference
fill(src);
// Compute reference
return reference::histogram<T>(src, num_bins, offset, range);
}
TensorType _target{};
SimpleTensor<uint32_t> _reference{};
};
} // namespace validation
} // namespace test
} // namespace arm_compute
#endif /* ARM_COMPUTE_TEST_HISTOGRAM_FIXTURE */
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