1 files changed, 0 insertions, 115 deletions
diff --git a/src/runtime/CL/functions/CLEqualizeHistogram.cpp b/src/runtime/CL/functions/CLEqualizeHistogram.cpp
deleted file mode 100644
index e1bd7e6f2a..0000000000
--- a/src/runtime/CL/functions/CLEqualizeHistogram.cpp
+++ /dev/null
@@ -1,115 +0,0 @@
-/*
- * Copyright (c) 2016-2020 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 "arm_compute/runtime/CL/functions/CLEqualizeHistogram.h"
-
-#include "arm_compute/core/CL/ICLDistribution1D.h"
-#include "arm_compute/core/CL/ICLLut.h"
-#include "arm_compute/core/CL/OpenCL.h"
-#include "arm_compute/core/Types.h"
-#include "arm_compute/runtime/CL/CLScheduler.h"
-
-#include <algorithm>
-#include <cmath>
-#include <cstddef>
-#include <numeric>
-
-using namespace arm_compute;
-
-namespace
-{
-void calculate_cum_dist_and_lut(CLDistribution1D &dist, CLDistribution1D &cum_dist, CLLut &lut)
-{
-    dist.map(true);
-    cum_dist.map(true);
-    lut.map(true);
-
-    const uint32_t *dist_ptr     = dist.buffer();
-    uint32_t       *cum_dist_ptr = cum_dist.buffer();
-    uint8_t        *lut_ptr      = lut.buffer();
-
-    ARM_COMPUTE_ERROR_ON(dist_ptr == nullptr);
-    ARM_COMPUTE_ERROR_ON(cum_dist_ptr == nullptr);
-    ARM_COMPUTE_ERROR_ON(lut_ptr == nullptr);
-
-    // Calculate cumulative distribution
-    std::partial_sum(dist_ptr, dist_ptr + 256, cum_dist_ptr);
-
-    // Get the number of pixels that have the lowest value in the input image
-    const uint32_t num_lowest_pixels = *std::find_if(dist_ptr, dist_ptr + 256, [](const uint32_t &v)
-    {
-        return v > 0;
-    });
-    const size_t image_size = cum_dist_ptr[255];
-
-    if(image_size == num_lowest_pixels)
-    {
-        std::iota(lut_ptr, lut_ptr + 256, 0);
-    }
-    else
-    {
-        const float diff = image_size - num_lowest_pixels;
-
-        for(size_t i = 0; i < 256; ++i)
-        {
-            lut_ptr[i] = lround((cum_dist_ptr[i] - num_lowest_pixels) / diff * 255.f);
-        }
-    }
-
-    dist.unmap();
-    cum_dist.unmap();
-    lut.unmap();
-}
-} // namespace
-
-CLEqualizeHistogram::CLEqualizeHistogram()
-    : _histogram_kernel(), _border_histogram_kernel(), _map_histogram_kernel(), _hist(nr_bins, 0, max_range), _cum_dist(nr_bins, 0, max_range), _cd_lut(nr_bins, DataType::U8)
-{
-}
-
-void CLEqualizeHistogram::configure(const ICLImage *input, ICLImage *output)
-{
-    configure(CLKernelLibrary::get().get_compile_context(), input, output);
-}
-
-void CLEqualizeHistogram::configure(const CLCompileContext &compile_context, const ICLImage *input, ICLImage *output)
-{
-    _histogram_kernel.configure(compile_context, input, &_hist);
-    _border_histogram_kernel.configure(compile_context, input, &_hist);
-    _map_histogram_kernel.configure(compile_context, input, &_cd_lut, output);
-}
-
-void CLEqualizeHistogram::run()
-{
-    // Calculate histogram of input.
-    CLScheduler::get().enqueue(_histogram_kernel, false);
-
-    // Calculate remaining pixels when image is not multiple of the elements of histogram kernel
-    CLScheduler::get().enqueue(_border_histogram_kernel, false);
-
-    // Calculate cumulative distribution of histogram and create LUT.
-    calculate_cum_dist_and_lut(_hist, _cum_dist, _cd_lut);
-
-    // Map input to output using created LUT.
-    CLScheduler::get().enqueue(_map_histogram_kernel);
-}