1 files changed, 157 insertions, 0 deletions
diff --git a/tests/validation/CPP/DepthConvertLayer.cpp b/tests/validation/CPP/DepthConvertLayer.cpp
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+++ b/tests/validation/CPP/DepthConvertLayer.cpp
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+/*
+ * 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 "DepthConvertLayer.h"
+
+#include "tests/validation/FixedPoint.h"
+#include "tests/validation/Helpers.h"
+
+#include "tests/Types.h"
+
+namespace arm_compute
+{
+namespace test
+{
+namespace validation
+{
+namespace reference
+{
+template < typename T1, typename T2, typename std::enable_if < std::is_integral<T1>::value &&std::is_floating_point<T2>::value, int >::type >
+SimpleTensor<T2> depth_convert(const SimpleTensor<T1> &src, DataType dt_out, ConvertPolicy policy, uint32_t shift)
+{
+    ARM_COMPUTE_UNUSED(policy);
+    ARM_COMPUTE_UNUSED(shift);
+
+    using namespace fixed_point_arithmetic;
+    SimpleTensor<T2> result(src.shape(), dt_out);
+
+    const int fixed_point_position = src.fixed_point_position();
+
+    for(int i = 0; i < src.num_elements(); ++i)
+    {
+        result[i] = static_cast<float>(fixed_point<T1>(src[i], fixed_point_position, true));
+    }
+
+    return result;
+}
+
+template < typename T1, typename T2, typename std::enable_if < std::is_floating_point<T1>::value &&std::is_integral<T2>::value, int >::type >
+SimpleTensor<T2> depth_convert(const SimpleTensor<T1> &src, DataType dt_out, ConvertPolicy policy, uint32_t shift)
+{
+    ARM_COMPUTE_UNUSED(policy);
+    ARM_COMPUTE_UNUSED(shift);
+
+    using namespace fixed_point_arithmetic;
+    SimpleTensor<T2> result(src.shape(), dt_out, 1, src.fixed_point_position());
+
+    const int fixed_point_position = result.fixed_point_position();
+
+    for(int i = 0; i < src.num_elements(); ++i)
+    {
+        result[i] = fixed_point<T2>(src[i], fixed_point_position).raw();
+    }
+
+    return result;
+}
+
+template < typename T1, typename T2, typename std::enable_if < std::is_integral<T1>::value &&std::is_integral<T2>::value &&!std::is_same<T1, T2>::value, int >::type >
+SimpleTensor<T2> depth_convert(const SimpleTensor<T1> &src, DataType dt_out, ConvertPolicy policy, uint32_t shift)
+{
+    SimpleTensor<T2> result(src.shape(), dt_out);
+
+    // Up-casting
+    if(src.data_type() <= dt_out)
+    {
+        for(int i = 0; i < src.num_elements(); ++i)
+        {
+            result[i] = src[i] << shift;
+        }
+    }
+    // Down-casting
+    else
+    {
+        for(int i = 0; i < src.num_elements(); ++i)
+        {
+            T1 val    = src[i] >> shift;
+            result[i] = (policy == ConvertPolicy::SATURATE) ? saturate_cast<T2>(val) : static_cast<T2>(val);
+        }
+    }
+    return result;
+}
+
+template < typename T1, typename T2, typename std::enable_if < std::is_integral<T1>::value &&std::is_integral<T2>::value &&std::is_same<T1, T2>::value, int >::type >
+SimpleTensor<T2> depth_convert(const SimpleTensor<T1> &src, DataType dt_out, ConvertPolicy policy, uint32_t shift)
+{
+    ARM_COMPUTE_UNUSED(policy);
+
+    using namespace fixed_point_arithmetic;
+
+    SimpleTensor<T2> result(src.shape(), dt_out);
+
+    bool is_in_place = (&src == &result);
+
+    const int fixed_point_position_in  = src.fixed_point_position();
+    const int fixed_point_position_out = (is_in_place) ? static_cast<int>(shift) : result.fixed_point_position();
+
+    if(!is_in_place || (fixed_point_position_in != fixed_point_position_out))
+    {
+        for(int i = 0; i < src.num_elements(); ++i)
+        {
+            auto x = fixed_point<T2>(src[i], fixed_point_position_in, true);
+            x.resacle(fixed_point_position_out);
+            result[i] = x.raw();
+        }
+    }
+
+    return result;
+}
+
+template < typename T1, typename T2, typename std::enable_if < std::is_floating_point<T1>::value &&is_floating_point<T2>::value, int >::type >
+SimpleTensor<T2> depth_convert(const SimpleTensor<T1> &src, DataType dt_out, ConvertPolicy policy, uint32_t shift)
+{
+    ARM_COMPUTE_UNUSED(policy);
+    ARM_COMPUTE_UNUSED(shift);
+
+    SimpleTensor<T2> result(src.shape(), dt_out);
+
+    for(int i = 0; i < src.num_elements(); ++i)
+    {
+        result[i] = static_cast<T2>(src[i]);
+    }
+}
+
+template SimpleTensor<uint16_t> depth_convert(const SimpleTensor<uint8_t> &src, DataType dt_out, ConvertPolicy policy, uint32_t shift);
+template SimpleTensor<int16_t> depth_convert(const SimpleTensor<uint8_t> &src, DataType dt_out, ConvertPolicy policy, uint32_t shift);
+template SimpleTensor<int32_t> depth_convert(const SimpleTensor<uint8_t> &src, DataType dt_out, ConvertPolicy policy, uint32_t shift);
+template SimpleTensor<uint8_t> depth_convert(const SimpleTensor<uint16_t> &src, DataType dt_out, ConvertPolicy policy, uint32_t shift);
+template SimpleTensor<uint32_t> depth_convert(const SimpleTensor<uint16_t> &src, DataType dt_out, ConvertPolicy policy, uint32_t shift);
+template SimpleTensor<uint8_t> depth_convert(const SimpleTensor<int16_t> &src, DataType dt_out, ConvertPolicy policy, uint32_t shift);
+template SimpleTensor<int32_t> depth_convert(const SimpleTensor<int16_t> &src, DataType dt_out, ConvertPolicy policy, uint32_t shift);
+template SimpleTensor<float> depth_convert(const SimpleTensor<int8_t> &src, DataType dt_out, ConvertPolicy policy, uint32_t shift);
+template SimpleTensor<float> depth_convert(const SimpleTensor<int16_t> &src, DataType dt_out, ConvertPolicy policy, uint32_t shift);
+template SimpleTensor<int8_t> depth_convert(const SimpleTensor<float> &src, DataType dt_out, ConvertPolicy policy, uint32_t shift);
+template SimpleTensor<int16_t> depth_convert(const SimpleTensor<float> &src, DataType dt_out, ConvertPolicy policy, uint32_t shift);
+} // namespace reference
+} // namespace validation
+} // namespace test
+} // namespace arm_compute