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+/*
+ * Copyright (c) 2021-2022 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.
+ */
+#ifndef ARM_COMPUTE_CPU_SCALE_H
+#define ARM_COMPUTE_CPU_SCALE_H
+
+#include "arm_compute/core/experimental/Types.h"
+#include "arm_compute/core/ITensorInfo.h"
+#include "arm_compute/core/KernelDescriptors.h"
+
+#include "src/cpu/ICpuKernel.h"
+#include "src/cpu/ICpuOperator.h"
+
+#include <memory>
+
+namespace arm_compute
+{
+namespace cpu
+{
+/** Basic function to compute Scale */
+class CpuScale : public ICpuOperator
+{
+public:
+ /** Initialize the function's source, destination, interpolation type and border_mode.
+ *
+ * @param[in, out] src Source tensor info. Data type supported: QASYMM8/QASYMM8_SIGNED/U8/S16/F16/F32. (Written to only for @p border_mode != UNDEFINED)
+ * @param[out] dst Destination tensor info. Data type supported: Same as @p src. All but the lowest two dimensions must be the same size as in the input tensor, i.e. scaling is only performed within the XY-plane.
+ * @param[in] info @ref ScaleKernelInfo to be used for configuration
+ *
+ * @note Using S8 data type only supports NHWC, @p border_mode Replicate, and @p policy Bilinear
+ */
+ void configure(ITensorInfo *src, ITensorInfo *dst, const ScaleKernelInfo &info);
+ /** Static function to check if given info will lead to a valid configuration
+ *
+ * Similar to @ref CpuScale::configure()
+ *
+ * @return a status
+ */
+ static Status validate(const ITensorInfo *src, const ITensorInfo *dst, const ScaleKernelInfo &info);
+
+ // Inherited methods overridden:
+ void prepare(ITensorPack &tensors) override;
+ void run(ITensorPack &tensors) override;
+
+private:
+ ScaleKernelInfo _scale_info{InterpolationPolicy::NEAREST_NEIGHBOR, BorderMode::UNDEFINED};
+ DataLayout _data_layout{DataLayout::UNKNOWN};
+ bool _is_prepared{false};
+};
+} // namespace cpu
+} // namespace arm_compute
+#endif /* ARM_COMPUTE_CPU_SCALE_H */