COMPMID: GEMMTranspose1xW tests.

Change-Id: I62a7a1871b93fafc65eb58fa550bc86179bdffe7
Reviewed-on: https://eu-gerrit-1.euhpc.arm.com/112489
Tested-by: Jenkins <bsgcomp@arm.com>
Reviewed-by: Georgios Pinitas <georgios.pinitas@arm.com>
Reviewed-by: Gian Marco Iodice <gianmarco.iodice@arm.com>
diff --git a/tests/validation/reference/GEMMTranspose1xW.h b/tests/validation/reference/GEMMTranspose1xW.h
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+++ b/tests/validation/reference/GEMMTranspose1xW.h
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+/*
+ * Copyright (c) 2017, 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 "GEMM.h"
+
+#include "arm_compute/core/Types.h"
+#include "tests/validation/FixedPoint.h"
+
+namespace arm_compute
+{
+namespace test
+{
+namespace validation
+{
+namespace reference
+{
+template <typename T>
+SimpleTensor<T> gemm_transpose_1xW(const SimpleTensor<T> &in)
+{
+    const int         W = 16 / sizeof(T);
+    const TensorShape shape_out(static_cast<size_t>(in.shape().y() * W), static_cast<size_t>(std::ceil(in.shape().x() / static_cast<float>(W))));
+    SimpleTensor<T>   out(shape_out, in.data_type());
+    const int32_t     in_height     = in.shape().y();
+    const int32_t     in_width      = in.shape().x();
+    const int32_t     out_width     = out.shape().x();
+    const T          *in_base_addr  = reinterpret_cast<const T *>(in.data());
+    T                *out_base_addr = reinterpret_cast<T *>(out.data());
+    int               x             = 0;
+    for(; x < in_width; x += W)
+    {
+        for(int y = 0; y < in_height; y++)
+        {
+            const T *in_addr  = (in_base_addr + x + y * in_width);
+            T       *out_addr = (out_base_addr + y * W + (x / W) * out_width);
+
+            for(int k = 0; k < W; ++k)
+            {
+                // If the input width is not multiple of W, we fill the reference with 0s
+                if((x + k) >= in_width)
+                {
+                    out_addr[k] = T(0);
+                }
+                else
+                {
+                    out_addr[k] = in_addr[k];
+                }
+            }
+        }
+    }
+    return out;
+}
+
+} // namespace reference
+} // namespace validation
+} // namespace test
+} // namespace arm_compute