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/*
* Copyright (c) 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.
*/
#ifndef UTILS_CORE_SCALEUTILS_H
#define UTILS_CORE_SCALEUTILS_H
#include "arm_compute/core/Types.h"
#include <cstdint>
#include <cstdlib>
namespace arm_compute
{
namespace scale_utils
{
/** Returns resize ratio between input and output with consideration of aligned corners
*
* @param[in] input_size The input size
* @param[in] output_size the output size
* @param[in] align_corners True to align corners of input and output. Defaults to false.
*
* @return The ratio between input and output (i.e., the input size divided by the output size)
*/
float calculate_resize_ratio(size_t input_size, size_t output_size, bool align_corners = false);
/** Returns if aligned corners are allowed for the given sampling policy
*
* @param[in] sampling_policy The sampling policy to consider
*
* @return True if aligned corners are allowed
*/
inline bool is_align_corners_allowed_sampling_policy(SamplingPolicy sampling_policy)
{
return sampling_policy != SamplingPolicy::CENTER;
}
} // namespace scale_utils
} // namespace arm_compute
#endif /* UTILS_CORE_SCALEUTILS_H */
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