COMPMID-1343: Add grouping support to CLCol2ImKernel

Change-Id: I5188a2163e7341f1915d98c21464fea13a9a7faf
Reviewed-on: https://eu-gerrit-1.euhpc.arm.com/143330
Tested-by: Jenkins <bsgcomp@arm.com>
Reviewed-by: Anthony Barbier <anthony.barbier@arm.com>
Reviewed-by: Giorgio Arena <giorgio.arena@arm.com>
diff --git a/tests/datasets/Col2ImLayerDataset.h b/tests/datasets/Col2ImLayerDataset.h
new file mode 100644
index 0000000..96a3cab
--- /dev/null
+++ b/tests/datasets/Col2ImLayerDataset.h
@@ -0,0 +1,155 @@
+/*
+ * 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_COL2IM_DATASET
+#define ARM_COMPUTE_TEST_COL2IM_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 Col2ImLayerDataset
+{
+public:
+    using type = std::tuple<TensorShape, unsigned int, unsigned int, unsigned int>;
+
+    struct iterator
+    {
+        iterator(std::vector<TensorShape>::const_iterator  src_it,
+                 std::vector<unsigned int>::const_iterator convolved_width_it,
+                 std::vector<unsigned int>::const_iterator convolved_height_it,
+                 std::vector<unsigned int>::const_iterator num_groups_it)
+            : _src_it{ std::move(src_it) },
+              _convolved_width_it{ std::move(convolved_width_it) },
+              _convolved_height_it{ std::move(convolved_height_it) },
+              _num_groups_it{ std::move(num_groups_it) }
+        {
+        }
+
+        std::string description() const
+        {
+            std::stringstream description;
+            description << "In=" << *_src_it << ":";
+            description << "ConvolvedWidth=" << *_convolved_width_it << ":";
+            description << "ConvolvedHeight=" << *_convolved_height_it << ":";
+            description << "NumGroups=" << *_num_groups_it;
+            return description.str();
+        }
+
+        Col2ImLayerDataset::type operator*() const
+        {
+            return std::make_tuple(*_src_it, *_convolved_width_it, *_convolved_height_it, *_num_groups_it);
+        }
+
+        iterator &operator++()
+        {
+            ++_src_it;
+            ++_convolved_width_it;
+            ++_convolved_height_it;
+            ++_num_groups_it;
+
+            return *this;
+        }
+
+    private:
+        std::vector<TensorShape>::const_iterator  _src_it;
+        std::vector<unsigned int>::const_iterator _convolved_width_it;
+        std::vector<unsigned int>::const_iterator _convolved_height_it;
+        std::vector<unsigned int>::const_iterator _num_groups_it;
+    };
+
+    iterator begin() const
+    {
+        return iterator(_src_shapes.begin(), _convolved_widths.begin(), _convolved_heights.begin(), _num_groups.begin());
+    }
+
+    int size() const
+    {
+        return std::min(_src_shapes.size(), std::min(_convolved_widths.size(), std::min(_convolved_heights.size(), _num_groups.size())));
+    }
+
+    void add_config(TensorShape src, unsigned int convolved_width, unsigned int convolved_height, unsigned int info)
+    {
+        _src_shapes.emplace_back(std::move(src));
+        _convolved_widths.emplace_back(std::move(convolved_width));
+        _convolved_heights.emplace_back(std::move(convolved_height));
+        _num_groups.emplace_back(std::move(info));
+    }
+
+protected:
+    Col2ImLayerDataset()                      = default;
+    Col2ImLayerDataset(Col2ImLayerDataset &&) = default;
+
+private:
+    std::vector<TensorShape>  _src_shapes{};
+    std::vector<unsigned int> _convolved_widths{};
+    std::vector<unsigned int> _convolved_heights{};
+    std::vector<unsigned int> _num_groups{};
+};
+
+/** Dataset containing small grouped col2im shapes. */
+class SmallGroupedCol2ImLayerDataset final : public Col2ImLayerDataset
+{
+public:
+    SmallGroupedCol2ImLayerDataset()
+    {
+        add_config(TensorShape(10U, 12U, 1U, 1U), 3U, 4U, 1U);
+        add_config(TensorShape(12U, 30U, 1U, 2U), 5U, 6U, 1U);
+        add_config(TensorShape(12U, 30U, 4U, 1U), 5U, 6U, 1U);
+        add_config(TensorShape(10U, 12U, 2U, 4U), 3U, 4U, 2U);
+        add_config(TensorShape(10U, 12U, 2U, 4U), 3U, 4U, 2U);
+        add_config(TensorShape(8U, 16U, 3U, 1U), 4U, 4U, 3U);
+        add_config(TensorShape(8U, 16U, 3U, 3U), 4U, 4U, 3U);
+        add_config(TensorShape(12U, 20U, 4U, 1U), 5U, 4U, 4U);
+        add_config(TensorShape(12U, 20U, 4U, 3U), 5U, 4U, 4U);
+    }
+};
+
+/** Dataset containing large grouped col2im shapes. */
+class LargeGroupedCol2ImLayerDataset final : public Col2ImLayerDataset
+{
+public:
+    LargeGroupedCol2ImLayerDataset()
+    {
+        add_config(TensorShape(233U, 280U, 1U, 55U), 14U, 20U, 1U);
+        add_config(TensorShape(333U, 280U, 1U, 77U), 14U, 20U, 1U);
+        add_config(TensorShape(333U, 280U, 77U, 1U), 14U, 20U, 1U);
+        add_config(TensorShape(120U, 300U, 8U, 3U), 20U, 15U, 8U);
+        add_config(TensorShape(233U, 300U, 8U, 3U), 20U, 15U, 8U);
+        add_config(TensorShape(333U, 280U, 12U, 5U), 20U, 14U, 12U);
+        add_config(TensorShape(177U, 300U, 12U, 5U), 15U, 20U, 12U);
+        add_config(TensorShape(450U, 400U, 16U, 5U), 20U, 20U, 16U);
+        add_config(TensorShape(220U, 400U, 16U, 5U), 20U, 20U, 16U);
+    }
+};
+} // namespace datasets
+} // namespace test
+} // namespace arm_compute
+#endif /* ARM_COMPUTE_TEST_COL2IM_DATASET */