text: /*
   * 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.
   */
  #include "arm_compute/core/Types.h"
  #include "arm_compute/runtime/Distribution1D.h"
  #include "arm_compute/runtime/NEON/functions/NEHistogram.h"
  #include "arm_compute/runtime/Tensor.h"
  #include "arm_compute/runtime/TensorAllocator.h"
  #include "tests/NEON/Accessor.h"
  #include "tests/PaddingCalculator.h"
  #include "tests/datasets/BorderModeDataset.h"
  #include "tests/datasets/ShapeDatasets.h"
  #include "tests/framework/Asserts.h"
  #include "tests/framework/Macros.h"
  #include "tests/framework/datasets/Datasets.h"
  #include "tests/validation/Validation.h"
  #include "tests/validation/fixtures/HistogramFixture.h"
  
  namespace arm_compute
  {
  namespace test
  {
  namespace validation
  {
  TEST_SUITE(NEON)
  TEST_SUITE(Histogram)
  
  DATA_TEST_CASE(Configuration, framework::DatasetMode::ALL, combine(concat(datasets::Small2DShapes(), datasets::Large2DShapes()),
                                                                     framework::dataset::make("DataType", DataType::U8)),
                 shape, data_type)
  {
      // Setup Distribution
      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);
      Distribution1D                          distribution_dst(num_bins, offset, range);
  
      // Create tensors
      Tensor      src = create_tensor<Tensor>(shape, data_type);
      TensorShape dst_shape(num_bins);
      Tensor      dst = create_tensor<Tensor>(dst_shape, DataType::U32);
  
      ARM_COMPUTE_EXPECT(src.info()->is_resizable(), framework::LogLevel::ERRORS);
      ARM_COMPUTE_EXPECT(dst.info()->is_resizable(), framework::LogLevel::ERRORS);
  
      // Create and configure function
      NEHistogram histogram;
      histogram.configure(&src, &distribution_dst);
  
      // Validate valid region
      const ValidRegion valid_region = shape_to_valid_region(shape);
      validate(src.info()->valid_region(), valid_region);
      const ValidRegion valid_region_dst = shape_to_valid_region(dst_shape);
      validate(dst.info()->valid_region(), valid_region_dst);
  
      // Validate padding
      const PaddingSize padding;
      validate(src.info()->padding(), padding);
      validate(dst.info()->padding(), padding);
  }
  
  template <typename T>
  using NEHistogramFixture = HistogramValidationFixture<Tensor, Accessor, NEHistogram, T, Distribution1D>;
  
  FIXTURE_DATA_TEST_CASE(RunSmall, NEHistogramFixture<uint8_t>, framework::DatasetMode::PRECOMMIT, combine(datasets::Small2DShapes(), framework::dataset::make("DataType",
                                                                                                           DataType::U8)))
  {
      // Validate output
      validate(Accessor(_target), _reference);
  }
  FIXTURE_DATA_TEST_CASE(RunLarge, NEHistogramFixture<uint8_t>, framework::DatasetMode::NIGHTLY, combine(datasets::Large2DShapes(), framework::dataset::make("DataType",
                                                                                                         DataType::U8)))
  {
      // Validate output
      validate(Accessor(_target), _reference);
  }
  
  TEST_SUITE_END()
  TEST_SUITE_END()
  } // namespace validation
  } // namespace test
  } // namespace arm_compute
  