wrapping_neg (negate_const), so unsigned results could be folded to the
AI 时代的到来，并没有实现信息的普惠。它只是以极高的效率，完成了传媒生态中受众与圈层的最终隔离。，更多细节参见搜狗输入法
，详情可参考体育直播
A notable resource on the topic of ordered dithering using arbitrary palettes is Joel Yliluoma’s Arbitrary-Palette Positional Dithering Algorithm. One key difference of Yliluoma’s approach is in the use of error metrics beyond the minimisation of . Yliluoma notes that the perceptual or psychovisual quality of the dither must be taken into account in addition to its mathematical accuracy. This is determined by use of some cost function which considers the relationship between a set of candidate colours. The number of candidates, the particular cost function, and the thoroughness of the selection process itself give rise to a number of possible implementations, each offering varying degrees of quality and time complexity.，推荐阅读体育直播获取更多信息
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示例代码可作为 最小可运行参考，用于验证 ROI、scale 与 padding 的关系。