text: /*
   * Copyright (c) 2018 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/CL/CLTensor.h"
  #include "arm_compute/runtime/CL/CLTensorAllocator.h"
  #include "arm_compute/runtime/CL/functions/CLGaussianPyramid.h"
  #include "tests/CL/CLAccessor.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/GaussianPyramidHalfFixture.h"
  #include "tests/validation/reference/Utils.h"
  
  namespace arm_compute
  {
  namespace test
  {
  namespace validation
  {
  namespace
  {
  const auto small_gaussian_pyramid_levels = combine(datasets::Medium2DShapes(), datasets::BorderModes()) * framework::dataset::make("numlevels", 2, 4);
  const auto large_gaussian_pyramid_levels = combine(datasets::Large2DShapes(), datasets::BorderModes()) * framework::dataset::make("numlevels", 2, 5);
  
  template <typename T>
  inline void validate_gaussian_pyramid(const CLPyramid &target, const std::vector<SimpleTensor<T>> &reference, BorderMode border_mode)
  {
      ValidRegion prev_valid_region = shape_to_valid_region(reference[0].shape());
  
      for(size_t i = 1; i < reference.size(); ++i)
      {
          const ValidRegion valid_region = shape_to_valid_region_gaussian_pyramid_half(reference[i - 1].shape(), prev_valid_region, (border_mode == BorderMode::UNDEFINED));
  
          // Validate outputs
          validate(CLAccessor(*(target.get_pyramid_level(i))), reference[i], valid_region);
  
          // Keep the valid region for the next level
          prev_valid_region = valid_region;
      }
  }
  
  } // namespace
  
  TEST_SUITE(CL)
  TEST_SUITE(GaussianPyramid)
  TEST_SUITE(Half)
  
  DATA_TEST_CASE(Configuration, framework::DatasetMode::ALL, large_gaussian_pyramid_levels,
                 shape, border_mode, num_levels)
  {
      CLTensor src = create_tensor<CLTensor>(shape, DataType::U8);
  
      // Create pyramid
      PyramidInfo pyramid_info(num_levels, SCALE_PYRAMID_HALF, shape, Format::U8);
      CLPyramid   dst;
      dst.init(pyramid_info);
  
      CLGaussianPyramidHalf gaussian_pyramid_half;
      gaussian_pyramid_half.configure(&src, &dst, border_mode, 0);
  
      ARM_COMPUTE_EXPECT(src.info()->is_resizable(), framework::LogLevel::ERRORS);
  
      for(size_t level = 0; level < pyramid_info.num_levels(); ++level)
      {
          ARM_COMPUTE_EXPECT(dst.get_pyramid_level(level)->info()->is_resizable(), framework::LogLevel::ERRORS);
      }
  }
  
  template <typename T>
  using CLGaussianPyramidHalfFixture = GaussianPyramidHalfValidationFixture<CLTensor, CLAccessor, CLGaussianPyramidHalf, T, CLPyramid>;
  
  FIXTURE_DATA_TEST_CASE(RunSmallGaussianPyramidHalf, CLGaussianPyramidHalfFixture<uint8_t>, framework::DatasetMode::ALL, small_gaussian_pyramid_levels)
  {
      validate_gaussian_pyramid(_target, _reference, _border_mode);
  }
  
  FIXTURE_DATA_TEST_CASE(RunLargeGaussianPyramidHalf, CLGaussianPyramidHalfFixture<uint8_t>, framework::DatasetMode::NIGHTLY, large_gaussian_pyramid_levels)
  {
      validate_gaussian_pyramid(_target, _reference, _border_mode);
  }
  TEST_SUITE_END()
  TEST_SUITE_END()
  TEST_SUITE_END()
  } // namespace validation
  } // namespace test
  } // namespace arm_compute
  