IsFinite() equivalent
IsFinite() equivalent
本文关键字:equivalent IsFinite 更新时间:2023-10-16
以下定义的C#替换是什么?
#define IS_FINITE(x) (0x7FF0 != (*((unsigned short*)(&x) + 3) & 0x7FF0))
可能是double.IsInfinity(x) == false
还是double.IsNegativeInfinity(x) == false
?
谢谢。
!double.IsInfinity(x) && !double.IsNaN(x)
参考文献:
http://pubs.opengroup.org/onlinepubs/009604499/functions/isfinite.html
http://msdn.microsoft.com/en-us/library/system.double.isinfinity.aspx
http://msdn.microsoft.com/en-us/library/system.double.isnan.aspx
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