From 5a7e776eee2e9147eab12631f5717847fb6cac5c Mon Sep 17 00:00:00 2001
From: Georgios Pinitas <georgios.pinitas@arm.com>
Date: Fri, 1 Dec 2017 16:27:29 +0000
Subject: 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>
---
 tests/validation/reference/GaussianPyramidHalf.cpp | 67 ++++++++++++++++++++++
 1 file changed, 67 insertions(+)
 create mode 100644 tests/validation/reference/GaussianPyramidHalf.cpp

(limited to 'tests/validation/reference/GaussianPyramidHalf.cpp')

diff --git a/tests/validation/reference/GaussianPyramidHalf.cpp b/tests/validation/reference/GaussianPyramidHalf.cpp
new file mode 100644
index 0000000000..0a68dedaee
--- /dev/null
+++ b/tests/validation/reference/GaussianPyramidHalf.cpp
@@ -0,0 +1,67 @@
+/*
+ * 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 "GaussianPyramidHalf.h"
+
+#include "arm_compute/core/Helpers.h"
+
+#include "Gaussian5x5.h"
+#include "Scale.h"
+#include "Utils.h"
+
+namespace arm_compute
+{
+namespace test
+{
+namespace validation
+{
+namespace reference
+{
+template <typename T>
+std::vector<SimpleTensor<T>> gaussian_pyramid_half(const SimpleTensor<T> &src, BorderMode border_mode, uint8_t constant_border_value, size_t num_levels)
+{
+    std::vector<SimpleTensor<T>> dst;
+
+    // Level0 is equal to src
+    dst.push_back(src);
+
+    for(size_t i = 1; i < num_levels; ++i)
+    {
+        // Gaussian Filter
+        const SimpleTensor<T> out_gaus5x5 = reference::gaussian5x5(dst[i - 1], border_mode, constant_border_value);
+
+        // Scale down by 2 with nearest interpolation
+        const SimpleTensor<T> out = reference::scale(out_gaus5x5, SCALE_PYRAMID_HALF, SCALE_PYRAMID_HALF, InterpolationPolicy::NEAREST_NEIGHBOR, border_mode, constant_border_value, SamplingPolicy::CENTER,
+                                                     true);
+
+        dst.push_back(out);
+    }
+
+    return dst;
+}
+
+template std::vector<SimpleTensor<uint8_t>> gaussian_pyramid_half(const SimpleTensor<uint8_t> &src, BorderMode border_mode, uint8_t constant_border_value, size_t num_levels);
+} // namespace reference
+} // namespace validation
+} // namespace test
+} // namespace arm_compute
-- 
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