From aaa27189e0e75c3ebad57854ac8901d0140677ac Mon Sep 17 00:00:00 2001
From: Georgios Pinitas <georgios.pinitas@arm.com>
Date: Wed, 21 Nov 2018 16:32:15 +0000
Subject: COMPMID-1734: Implement CLSelect

Change-Id: I49b2e8b4200c9ed654736d9451e4ab9c073b4b10
---
 tests/validation/reference/Select.cpp | 84 +++++++++++++++++++++++++++++++++++
 1 file changed, 84 insertions(+)
 create mode 100644 tests/validation/reference/Select.cpp

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

diff --git a/tests/validation/reference/Select.cpp b/tests/validation/reference/Select.cpp
new file mode 100644
index 0000000000..91b6b66c42
--- /dev/null
+++ b/tests/validation/reference/Select.cpp
@@ -0,0 +1,84 @@
+/*
+ * 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.
+ */
+#include "Select.h"
+
+#include "arm_compute/core/Types.h"
+#include "tests/validation/Helpers.h"
+
+namespace arm_compute
+{
+namespace test
+{
+namespace validation
+{
+namespace reference
+{
+template <typename T>
+SimpleTensor<T> select(const SimpleTensor<uint8_t> &c, const SimpleTensor<T> &x, const SimpleTensor<T> &y)
+{
+    // Check if condition has the same rank as c
+    const bool is_same_rank = (c.shape().num_dimensions() == x.shape().num_dimensions());
+
+    // Check shapes
+    ARM_COMPUTE_ERROR_ON(x.shape() != y.shape());
+    ARM_COMPUTE_ERROR_ON(is_same_rank && (x.shape() != c.shape()));
+    ARM_COMPUTE_ERROR_ON(!is_same_rank && (c.shape().num_dimensions() > 1) && (c.shape().x() != x.shape()[x.shape().num_dimensions() - 1]));
+
+    // Create reference
+    SimpleTensor<T> dst{ x.shape(), x.data_type(), 1 };
+
+    // Run select core
+    if(is_same_rank)
+    {
+        for(int i = 0; i < x.num_elements(); ++i)
+        {
+            dst[i] = c[i] > 0 ? x[i] : y[i];
+        }
+    }
+    else
+    {
+        T *output_ptr = dst.data();
+
+        const int outer_size = c.num_elements();
+        const int inner_size = x.num_elements() / outer_size;
+        size_t    offset     = 0;
+
+        for(int i = 0; i < outer_size; ++i)
+        {
+            const T *input_ptr = c[i] > 0 ? x.data() : y.data();
+            memcpy(output_ptr + offset, input_ptr + offset, inner_size * sizeof(T));
+            offset += inner_size;
+        }
+    }
+
+    return dst;
+}
+
+template SimpleTensor<uint8_t> select(const SimpleTensor<uint8_t> &c, const SimpleTensor<uint8_t> &x, const SimpleTensor<uint8_t> &y);
+template SimpleTensor<half> select(const SimpleTensor<uint8_t> &c, const SimpleTensor<half> &x, const SimpleTensor<half> &y);
+template SimpleTensor<float> select(const SimpleTensor<uint8_t> &c, const SimpleTensor<float> &x, const SimpleTensor<float> &y);
+} // namespace reference
+} // namespace validation
+} // namespace test
+} // namespace arm_compute
-- 
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