COMPMID-556: Rename CPP folder to reference

Change-Id: I147644349547c4e3804a80b564a9ad95131ad2d0
Reviewed-on: https://eu-gerrit-1.euhpc.arm.com/111560
Reviewed-by: Michalis Spyrou <michalis.spyrou@arm.com>
Tested-by: BSG Visual Compute Jenkins server to access repositories on http://mpd-gerrit.cambridge.arm.com <bsgcomp@arm.com>

1 files changed, 100 insertions, 0 deletions

diff --git a/tests/validation/reference/PixelWiseMultiplication.cpp b/tests/validation/reference/PixelWiseMultiplication.cpp
new file mode 100644
index 0000000000..b3647fc9ce
--- /dev/null
+++ b/tests/validation/reference/PixelWiseMultiplication.cpp
@@ -0,0 +1,100 @@
+/*
+ * 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,
+ * dst OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#include "PixelWiseMultiplication.h"
+
+#include "tests/validation/FixedPoint.h"
+
+namespace arm_compute
+{
+namespace test
+{
+namespace validation
+{
+namespace reference
+{
+template <class T>
+struct is_floating_point
+    : std::integral_constant < bool,
+      std::is_same<float, typename std::remove_cv<T>::type>::value || std::is_same<half_float::half, typename std::remove_cv<T>::type>::value
+      || std::is_same<double, typename std::remove_cv<T>::type>::value || std::is_same<long double, typename std::remove_cv<T>::type>::value >
+{
+};
+
+template <typename T1, typename T2>
+SimpleTensor<T2> pixel_wise_multiplication(const SimpleTensor<T1> &src1, const SimpleTensor<T2> &src2, float scale, ConvertPolicy convert_policy, RoundingPolicy rounding_policy)
+{
+    SimpleTensor<T2> dst(src2.shape(), src2.data_type());
+
+    if(scale < 0)
+    {
+        ARM_COMPUTE_ERROR("Scale of pixel-wise multiplication must be non-negative");
+    }
+
+    using intermediate_type = typename common_promoted_signed_type<T1, T2, T2>::intermediate_type;
+
+    for(int i = 0; i < src1.num_elements(); ++i)
+    {
+        double val = static_cast<intermediate_type>(src1[i]) * static_cast<intermediate_type>(src2[i]) * static_cast<double>(scale);
+        if(is_floating_point<T2>::value)
+        {
+            dst[i] = val;
+        }
+        else
+        {
+            double rounded_val = 0;
+            switch(rounding_policy)
+            {
+                case(RoundingPolicy::TO_ZERO):
+                    rounded_val = support::cpp11::trunc(val);
+                    break;
+                case(RoundingPolicy::TO_NEAREST_UP):
+                    rounded_val = round_half_up(val);
+                    break;
+                case(RoundingPolicy::TO_NEAREST_EVEN):
+                    rounded_val = round_half_even(val);
+                    break;
+                default:
+                    ARM_COMPUTE_ERROR("Unsupported rounding policy");
+            }
+
+            dst[i] = (convert_policy == ConvertPolicy::SATURATE) ? saturate_cast<T2>(rounded_val) : static_cast<T2>(rounded_val);
+        }
+    }
+
+    return dst;
+}
+
+// *INDENT-OFF*
+// clang-format off
+template SimpleTensor<uint8_t> pixel_wise_multiplication(const SimpleTensor<uint8_t> &src1, const SimpleTensor<uint8_t> &src2, float scale, ConvertPolicy convert_policy, RoundingPolicy rounding_policy);
+template SimpleTensor<int16_t> pixel_wise_multiplication(const SimpleTensor<uint8_t> &src1, const SimpleTensor<int16_t> &src2, float scale, ConvertPolicy convert_policy, RoundingPolicy rounding_policy);
+template SimpleTensor<int16_t> pixel_wise_multiplication(const SimpleTensor<int16_t> &src1, const SimpleTensor<int16_t> &src2, float scale, ConvertPolicy convert_policy, RoundingPolicy rounding_policy);
+template SimpleTensor<float> pixel_wise_multiplication(const SimpleTensor<float> &src1, const SimpleTensor<float> &src2, float scale, ConvertPolicy convert_policy, RoundingPolicy rounding_policy);
+template SimpleTensor<half_float::half> pixel_wise_multiplication(const SimpleTensor<half_float::half> &src1, const SimpleTensor<half_float::half> &src2, float scale, ConvertPolicy convert_policy, RoundingPolicy rounding_policy);
+// clang-format on
+// *INDENT-ON*
+} // namespace reference
+} // namespace validation
+} // namespace test
+} // namespace arm_compute