COMPMID-1527 - Implementing ReorgLayer on OpenCL

Also extended tests on NEON

Change-Id: Icb0eced534e904ef807972dd3a31988f501bb02e
Reviewed-on: https://eu-gerrit-1.euhpc.arm.com/147095
Reviewed-by: Georgios Pinitas <georgios.pinitas@arm.com>
Tested-by: Jenkins <bsgcomp@arm.com>
diff --git a/tests/datasets/ReorgLayerDataset.h b/tests/datasets/ReorgLayerDataset.h
new file mode 100644
index 0000000..de363e7
--- /dev/null
+++ b/tests/datasets/ReorgLayerDataset.h
@@ -0,0 +1,133 @@
+/*
+ * 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.
+ */
+#ifndef ARM_COMPUTE_TEST_REORGLAYER_DATASET
+#define ARM_COMPUTE_TEST_REORGLAYER_DATASET
+
+#include "utils/TypePrinter.h"
+
+#include "arm_compute/core/TensorShape.h"
+#include "arm_compute/core/Types.h"
+
+namespace arm_compute
+{
+namespace test
+{
+namespace datasets
+{
+class ReorgLayerDataset
+{
+public:
+    using type = std::tuple<TensorShape, unsigned int>;
+
+    struct iterator
+    {
+        iterator(std::vector<TensorShape>::const_iterator  src_it,
+                 std::vector<unsigned int>::const_iterator stride_it)
+            : _src_it{ std::move(src_it) },
+              _stride_it{ std::move(stride_it) }
+        {
+        }
+
+        std::string description() const
+        {
+            std::stringstream description;
+            description << "In=" << *_src_it << ":";
+            description << "Stride=" << *_stride_it;
+            return description.str();
+        }
+
+        ReorgLayerDataset::type operator*() const
+        {
+            return std::make_tuple(*_src_it, *_stride_it);
+        }
+
+        iterator &operator++()
+        {
+            ++_src_it;
+            ++_stride_it;
+
+            return *this;
+        }
+
+    private:
+        std::vector<TensorShape>::const_iterator  _src_it;
+        std::vector<unsigned int>::const_iterator _stride_it;
+    };
+
+    iterator begin() const
+    {
+        return iterator(_src_shapes.begin(), _stride.begin());
+    }
+
+    int size() const
+    {
+        return std::min(_src_shapes.size(), _stride.size());
+    }
+
+    void add_config(TensorShape src, unsigned int stride)
+    {
+        _src_shapes.emplace_back(std::move(src));
+        _stride.emplace_back(std::move(stride));
+    }
+
+protected:
+    ReorgLayerDataset()                     = default;
+    ReorgLayerDataset(ReorgLayerDataset &&) = default;
+
+private:
+    std::vector<TensorShape>  _src_shapes{};
+    std::vector<unsigned int> _stride{};
+};
+
+/** Dataset containing small reorg layer shapes. */
+class SmallReorgLayerDataset final : public ReorgLayerDataset
+{
+public:
+    SmallReorgLayerDataset()
+    {
+        add_config(TensorShape(26U, 26U, 64U, 1U), 2U);
+        add_config(TensorShape(28U, 28U, 13U, 1U), 4U);
+        add_config(TensorShape(12U, 14U, 4U, 1U), 2U);
+        add_config(TensorShape(9U, 12U, 2U, 4U), 3U);
+        add_config(TensorShape(25U, 15U, 4U, 2U), 5U);
+    }
+};
+
+/** Dataset containing large reorg layer shapes. */
+class LargeReorgLayerDataset final : public ReorgLayerDataset
+{
+public:
+    LargeReorgLayerDataset()
+    {
+        add_config(TensorShape(49U, 28U, 64U, 1U), 7U);
+        add_config(TensorShape(63U, 21U, 13U, 1U), 3U);
+        add_config(TensorShape(48U, 54U, 4U, 1U), 2U);
+        add_config(TensorShape(114U, 117U, 2U, 4U), 3U);
+        add_config(TensorShape(100U, 95U, 4U, 2U), 5U);
+    }
+};
+} // namespace datasets
+} // namespace test
+} // namespace arm_compute
+#endif /* ARM_COMPUTE_TEST_REORGLAYER_DATASET */