arm_compute v17.06
diff --git a/src/runtime/CL/functions/CLHOGGradient.cpp b/src/runtime/CL/functions/CLHOGGradient.cpp
new file mode 100644
index 0000000..2387474
--- /dev/null
+++ b/src/runtime/CL/functions/CLHOGGradient.cpp
@@ -0,0 +1,75 @@
+/*
+ * 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 "arm_compute/runtime/CL/functions/CLHOGGradient.h"
+
+#include "arm_compute/core/Helpers.h"
+#include "arm_compute/core/Validate.h"
+#include "arm_compute/runtime/CL/CLScheduler.h"
+
+using namespace arm_compute;
+
+CLHOGGradient::CLHOGGradient()
+ : _derivative(), _mag_phase(), _gx(), _gy()
+{
+}
+
+void CLHOGGradient::configure(ICLTensor *input, ICLTensor *output_magnitude, ICLTensor *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)
+ {
+ _mag_phase.configure(&_gx, &_gy, output_magnitude, output_phase, MagnitudeType::L2NORM, PhaseType::UNSIGNED);
+ }
+ else
+ {
+ _mag_phase.configure(&_gx, &_gy, output_magnitude, output_phase, MagnitudeType::L2NORM, PhaseType::SIGNED);
+ }
+
+ // Allocate intermediate tensors
+ _gx.allocator()->allocate();
+ _gy.allocator()->allocate();
+}
+
+void CLHOGGradient::run()
+{
+ // Run derivative
+ _derivative.run();
+
+ // Run magnitude/phase kernel
+ CLScheduler::get().enqueue(_mag_phase);
+}
\ No newline at end of file