COMPMID-344 Updated doxygen

Change-Id: I32f7b84daa560e460b77216add529c8fa8b327ae

1 files changed, 80 insertions, 0 deletions

diff --git a/src/runtime/NEON/functions/NEHOGGradient.cpp b/src/runtime/NEON/functions/NEHOGGradient.cpp
new file mode 100644
index 0000000000..2f4b8802e3
--- /dev/null
+++ b/src/runtime/NEON/functions/NEHOGGradient.cpp
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+/*
+ * Copyright (c) 2016, 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 "arm_compute/runtime/NEON/functions/NEHOGGradient.h"
+
+#include "arm_compute/core/Helpers.h"
+#include "arm_compute/core/NEON/kernels/NEMagnitudePhaseKernel.h"
+#include "arm_compute/core/Validate.h"
+#include "arm_compute/runtime/NEON/NEScheduler.h"
+
+using namespace arm_compute;
+
+NEHOGGradient::NEHOGGradient()
+    : _derivative(), _mag_phase(nullptr), _gx(), _gy()
+{
+}
+
+void NEHOGGradient::configure(ITensor *input, ITensor *output_magnitude, ITensor *output_phase, PhaseType phase_type, BorderMode border_mode, uint8_t constant_border_value)
+{
+    ARM_COMPUTE_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(input, 1, DataType::U8);
+    ARM_COMPUTE_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(output_magnitude, 1, DataType::S16);
+    ARM_COMPUTE_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(output_phase, 1, DataType::U8);
+
+    const TensorShape &shape_img = input->info()->tensor_shape();
+
+    // Allocate image memory
+    TensorInfo info(shape_img, Format::S16);
+    _gx.allocator()->init(info);
+    _gy.allocator()->init(info);
+
+    // Initialise derivate kernel
+    _derivative.configure(input, &_gx, &_gy, border_mode, constant_border_value);
+
+    // Initialise magnitude/phase kernel
+    if(PhaseType::UNSIGNED == phase_type)
+    {
+        auto k = arm_compute::cpp14::make_unique<NEMagnitudePhaseKernel<MagnitudeType::L2NORM, PhaseType::UNSIGNED>>();
+        k->configure(&_gx, &_gy, output_magnitude, output_phase);
+        _mag_phase = std::move(k);
+    }
+    else
+    {
+        auto k = arm_compute::cpp14::make_unique<NEMagnitudePhaseKernel<MagnitudeType::L2NORM, PhaseType::SIGNED>>();
+        k->configure(&_gx, &_gy, output_magnitude, output_phase);
+        _mag_phase = std::move(k);
+    }
+
+    // Allocate intermediate tensors
+    _gx.allocator()->allocate();
+    _gy.allocator()->allocate();
+}
+
+void NEHOGGradient::run()
+{
+    // Run derivative
+    _derivative.run();
+
+    // Run magnitude/phase kernel
+    NEScheduler::get().schedule(_mag_phase.get(), Window::DimY);
+}