COMPMID-462: Implement TensorReshape for NEON and CL.

Change-Id: I11b39c2ceca26ade73822e29a384ef866ae05729
Reviewed-on: http://mpd-gerrit.cambridge.arm.com/87707
Reviewed-by: Pablo Tello <pablo.tello@arm.com>
Tested-by: Kaizen <jeremy.johnson+kaizengerrit@arm.com>
diff --git a/tests/validation/CPP/ReshapeLayer.cpp b/tests/validation/CPP/ReshapeLayer.cpp
new file mode 100644
index 0000000..cc7f15e
--- /dev/null
+++ b/tests/validation/CPP/ReshapeLayer.cpp
@@ -0,0 +1,57 @@
+/*
+ * 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 "ReshapeLayer.h"
+
+#include "tests/validation/half.h"
+
+namespace arm_compute
+{
+namespace test
+{
+namespace validation
+{
+namespace reference
+{
+template <typename T>
+SimpleTensor<T> reshape_layer(const SimpleTensor<T> &src, const TensorShape &output_shape)
+{
+    ARM_COMPUTE_ERROR_ON(src.shape().total_size() != output_shape.total_size());
+
+    SimpleTensor<T> dst(output_shape, src.data_type());
+    std::copy_n(src.data(), src.num_elements(), dst.data());
+    return dst;
+}
+
+template SimpleTensor<uint8_t> reshape_layer(const SimpleTensor<uint8_t> &src, const TensorShape &output_shape);
+template SimpleTensor<int8_t> reshape_layer(const SimpleTensor<int8_t> &src, const TensorShape &output_shape);
+template SimpleTensor<uint16_t> reshape_layer(const SimpleTensor<uint16_t> &src, const TensorShape &output_shape);
+template SimpleTensor<int16_t> reshape_layer(const SimpleTensor<int16_t> &src, const TensorShape &output_shape);
+template SimpleTensor<uint32_t> reshape_layer(const SimpleTensor<uint32_t> &src, const TensorShape &output_shape);
+template SimpleTensor<int32_t> reshape_layer(const SimpleTensor<int32_t> &src, const TensorShape &output_shape);
+template SimpleTensor<half_float::half> reshape_layer(const SimpleTensor<half_float::half> &src, const TensorShape &output_shape);
+template SimpleTensor<float> reshape_layer(const SimpleTensor<float> &src, const TensorShape &output_shape);
+} // namespace reference
+} // namespace validation
+} // namespace test
+} // namespace arm_compute