atan2l

Undocumented in source but is binding to C. You might be able to learn more by searching the web for its name.
  1. real atan2l(real y, real x)
  2. real atan2l(real y, real x)
    version(!FreeBSD)
    extern (C)
    real
    atan2l
    (
    real y
    ,
    real x
    )

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