nan not a number 中文意思是什麼
nan not a number
解釋
非數值-
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) 。 -
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。 -
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。 -
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 -
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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