__isnanl

Undocumented in source but is binding to C. You might be able to learn more by searching the web for its name.
  1. int __isnanl(real x)
    version(!DigitalMarsWin32 && linux)
    extern (C)
    int
    __isnanl
    (
    real x
    )
  2. int __isnanl(real )

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