COMPMID-424 Add validation tests for Gaussian5x5

* Fix apply_2d_spatial_filter to use double as intermediate type
* Fix tensor_elem_at to use random value if on border and border_mode is
UNDEFINED

Change-Id: I7feea23c4664cc63c5bab936566dc92b98c723b9
Reviewed-on: http://mpd-gerrit.cambridge.arm.com/78905
Tested-by: Kaizen <jeremy.johnson+kaizengerrit@arm.com>
Reviewed-by: Moritz Pflanzer <moritz.pflanzer@arm.com>

1 files changed, 165 insertions, 0 deletions

diff --git a/tests/validation/CL/Gaussian5x5.cpp b/tests/validation/CL/Gaussian5x5.cpp
new file mode 100644
index 0000000000..a13474bc58
--- /dev/null
+++ b/tests/validation/CL/Gaussian5x5.cpp
@@ -0,0 +1,165 @@
+/*
+ * 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 "CL/CLAccessor.h"
+#include "CL/Helper.h"
+#include "Globals.h"
+#include "PaddingCalculator.h"
+#include "TensorLibrary.h"
+#include "TypePrinter.h"
+#include "Utils.h"
+#include "validation/Datasets.h"
+#include "validation/Reference.h"
+#include "validation/Validation.h"
+#include "validation/ValidationUserConfiguration.h"
+
+#include "arm_compute/core/Helpers.h"
+#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/CLGaussian5x5.h"
+
+#include "boost_wrapper.h"
+
+#include <random>
+#include <string>
+
+using namespace arm_compute;
+using namespace arm_compute::test;
+using namespace arm_compute::test::cl;
+using namespace arm_compute::test::validation;
+
+namespace
+{
+/** Compute CL gaussian5x5 filter.
+ *
+ * @param[in] shape                 Shape of the input and output tensors.
+ * @param[in] border_mode           BorderMode used by the input tensor.
+ * @param[in] constant_border_value Constant to use if @p border_mode == CONSTANT.
+ *
+ * @return Computed output tensor.
+ */
+CLTensor compute_gaussian5x5(const TensorShape &shape, BorderMode border_mode, uint8_t constant_border_value)
+{
+    // Create tensors
+    CLTensor src = create_tensor(shape, DataType::U8);
+    CLTensor dst = create_tensor(shape, DataType::U8);
+
+    // Create and configure function
+    CLGaussian5x5 gaussian5x5;
+    gaussian5x5.configure(&src, &dst, border_mode, constant_border_value);
+
+    // Allocate tensors
+    src.allocator()->allocate();
+    dst.allocator()->allocate();
+
+    BOOST_TEST(!src.info()->is_resizable());
+    BOOST_TEST(!dst.info()->is_resizable());
+
+    // Fill tensors
+    library->fill_tensor_uniform(CLAccessor(src), 0);
+
+    // Compute function
+    gaussian5x5.run();
+
+    return dst;
+}
+} // namespace
+
+#ifndef DOXYGEN_SKIP_THIS
+BOOST_AUTO_TEST_SUITE(CL)
+BOOST_AUTO_TEST_SUITE(Gaussian5x5)
+
+BOOST_TEST_DECORATOR(*boost::unit_test::label("precommit") * boost::unit_test::label("nightly"))
+BOOST_DATA_TEST_CASE(Configuration, (SmallShapes() + LargeShapes()) * BorderModes(), shape, border_mode)
+{
+    // Create tensors
+    CLTensor src = create_tensor(shape, DataType::U8);
+    CLTensor dst = create_tensor(shape, DataType::U8);
+
+    BOOST_TEST(src.info()->is_resizable());
+    BOOST_TEST(dst.info()->is_resizable());
+
+    // Create and configure function
+    CLGaussian5x5 gaussian5x5;
+    gaussian5x5.configure(&src, &dst, border_mode);
+
+    // Validate valid region
+    const ValidRegion src_valid_region = shape_to_valid_region(shape);
+    const ValidRegion dst_valid_region = shape_to_valid_region(shape, border_mode == BorderMode::UNDEFINED, BorderSize(2));
+    validate(src.info()->valid_region(), src_valid_region);
+    validate(dst.info()->valid_region(), dst_valid_region);
+
+    // Validate padding
+    PaddingCalculator calculator(shape.x(), 8);
+    calculator.set_border_size(2);
+    calculator.set_border_mode(border_mode);
+
+    const PaddingSize dst_padding = calculator.required_padding();
+
+    calculator.set_accessed_elements(16);
+    calculator.set_access_offset(-2);
+
+    const PaddingSize src_padding = calculator.required_padding();
+
+    validate(src.info()->padding(), src_padding);
+    validate(dst.info()->padding(), dst_padding);
+}
+
+BOOST_TEST_DECORATOR(*boost::unit_test::label("precommit"))
+BOOST_DATA_TEST_CASE(RunSmall, SmallShapes() * BorderModes(), shape, border_mode)
+{
+    std::mt19937                           gen(user_config.seed.get());
+    std::uniform_int_distribution<uint8_t> distribution(0, 255);
+    const uint8_t                          border_value = distribution(gen);
+
+    // Compute function
+    CLTensor dst = compute_gaussian5x5(shape, border_mode, border_value);
+
+    // Compute reference
+    RawTensor ref_dst = Reference::compute_reference_gaussian5x5(shape, border_mode, border_value);
+
+    // Validate output
+    validate(CLAccessor(dst), ref_dst, shape_to_valid_region(shape, border_mode == BorderMode::UNDEFINED, BorderSize(2)));
+}
+
+BOOST_TEST_DECORATOR(*boost::unit_test::label("nightly"))
+BOOST_DATA_TEST_CASE(RunLarge, LargeShapes() * BorderModes(), shape, border_mode)
+{
+    std::mt19937                           gen(user_config.seed.get());
+    std::uniform_int_distribution<uint8_t> distribution(0, 255);
+    const uint8_t                          border_value = distribution(gen);
+
+    // Compute function
+    CLTensor dst = compute_gaussian5x5(shape, border_mode, border_value);
+
+    // Compute reference
+    RawTensor ref_dst = Reference::compute_reference_gaussian5x5(shape, border_mode, border_value);
+
+    // Validate output
+    validate(CLAccessor(dst), ref_dst, shape_to_valid_region(shape, border_mode == BorderMode::UNDEFINED, BorderSize(2)));
+}
+
+BOOST_AUTO_TEST_SUITE_END()
+BOOST_AUTO_TEST_SUITE_END()
+#endif