VMS Help RTL Routines, MTH$, MTH$xREAL  *Conan The Librarian (sorry for the slow response - running on an old VAX)

    The Real Part of a Complex Number routine returns the real part
    of a complex number.

    Format

      MTH$REAL  complex-number

      MTH$DREAL  complex-number

      MTH$GREAL  complex-number

      Each of the above formats accepts one of the floating-point
      complex types as input.

  Additional Information (explode) :

• Returns
• Argument