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-rw-r--r--tests/validation_new/CPP/QuantizationLayer.cpp85
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diff --git a/tests/validation_new/CPP/QuantizationLayer.cpp b/tests/validation_new/CPP/QuantizationLayer.cpp
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--- a/tests/validation_new/CPP/QuantizationLayer.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 "QuantizationLayer.h"
-
-namespace arm_compute
-{
-namespace test
-{
-namespace validation
-{
-namespace reference
-{
-void compute_min_max(const SimpleTensor<float> &src, float *min, float *max)
-{
- // Set min and max to first pixel
- float tmp_min = src[0];
- float tmp_max = src[0];
-
- // Look for min and max values
- for(int i = 1; i < src.num_elements(); ++i)
- {
- if(src[i] < tmp_min)
- {
- tmp_min = src[i];
- }
- if(src[i] > tmp_max)
- {
- tmp_max = src[i];
- }
- }
-
- *min = tmp_min;
- *max = tmp_max;
-}
-
-template <typename T, typename std::enable_if<is_floating_point<T>::value, int>::type>
-SimpleTensor<uint8_t> quantization_layer(const SimpleTensor<T> &src)
-{
- // Create reference
- SimpleTensor<uint8_t> dst{ src.shape(), DataType::U8 };
-
- // Compute min and max of the tensor using Min-Max layer
- float min = 0.f;
- float max = 0.f;
-
- compute_min_max(src, &min, &max);
-
- const float range = max - min;
-
- for(int i = 0; i < src.num_elements(); ++i)
- {
- // map values to range [0.0, 1.0]
- const float normalized = (src[i] - min) / range;
- dst[i] = static_cast<uint8_t>(std::min(255.0f, normalized * 256.0f));
- }
-
- return dst;
-}
-
-template SimpleTensor<uint8_t> quantization_layer(const SimpleTensor<float> &src);
-} // namespace reference
-} // namespace validation
-} // namespace test
-} // namespace arm_compute