nan not a number 中文意思是什麼

nan not a number 解釋
非數值
  • not : adv 不。1 〈謂語、句子的否定語〉 (a)用作助動詞的否定式時,常略作 n t: isn t aren t wasn t weren...
  • a : an 用在以母音音素開始的詞前〉 indefinite art 1 〈普通可數名詞第一次提到時,冠以不定冠詞主要表示類...
  • number : n 1 數;數字;〈pl 〉算術。2 (汽車等的)號碼;第…,第…卷,第…期〈通常略作 No (復數 Nos ),用於...
  1. Floating - point arithmetic overflow or division by zero never throws an exception, because floating - point types are based on ieee 754 and so have provisions for representing infinity and nan not a number

    浮點算術溢出或被零除從不引發異常,因為浮點類型基於ieee 754 ,因此可以表示無窮和nan (不是數字) 。
  2. Dividing zero by zero or infinity by infinity produces the nan not - a - number value

    零除以零或無窮大除以無窮大生成nan (非數字)值。
  3. Gets or sets the string that represents the ieee nan not a number value

    獲取或設置表示ieee nan (非數字)值的字元串。
  4. If the source value is nan not a number, infinity, or too large to be represented as a

    如果源值為nan (非數字值) 、無窮大或因過大而無法表示為
  5. Many routines designed to read floats may allow values such as " nan " not a number

    許多設計用來讀取浮點數的常式可能會允許「 nan 」 (非數字)這樣的值。
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