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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Nearest integer function ： ウィキペディア英語版 Nearest integer function In computer science, the nearest integer function of real number ''x'' denoted variously by $()$, $\backslash lfloor\; x\; \backslash rceil$, $\backslash Vert\; x\; \backslash Vert$, nint(''x''), or Round(''x''), is a function which returns the nearest integer to ''x''. To avoid ambiguity when operating on half-integers, a rounding rule must be chosen. On most computer implementations, the selected rule is to round half-integers to the nearest even integer—for example, :$()\; =\; 1$ :$()\; =\; 2$ :$()\; =\; 2$ :$()\; =\; 2$ :$()\; =\; 2$ :$()\; =\; 3$ :$()\; =\; 3$ :$()\; =\; 4$ :$()\; =\; 4$ :$()\; =\; 4$ :etc. This is in accordance with the IEEE 754 standards and helps reduce bias in the result. There are many other possible rules for tie breaking when rounding a half integer include rounding up, rounding down, rounding to or away from zero, or random rounding up or down. ==See also== *Floor and ceiling functions 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Nearest integer function」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.