exp(3I)

NAME
     EXP, DEXP, QEXP, CEXP, CDEXP, CQEXP - Computes exponential function

SYNOPSIS
     EXP ([X=]x)
     DEXP ([X=]x)
     QEXP ([X=]x)
     CEXP ([X=]x)
     CDEXP ([X=]x)
     CQEXP ([X=]x)

IMPLEMENTATION
     UNICOS, UNICOS/mk, and IRIX systems

     CF90, MIPSpro 7 Fortran 90, MIPSpro Fortran 77

STANDARDS
     Fortran

     Fortran extensions:  QEXP, CDEXP, CQEXP

DESCRIPTION
     EXP is the generic function name; the others are specifics.  These are
     elemental intrinsic functions.  They accept the following argument:

     x         Must be of type real (for EXP, DEXP, and QEXP) or complex
               (for CEXP, CDEXP, and CQEXP).  The type and kind type of x
               is identical to the type and kind type of the return value.
               See the RETURN VALUES section for information on input data
               types and return values.

     Vector versions of these intrinsics exist on some systems.  Vector
     versions of the EXP, DEXP, CEXP, CDEXP, and CQEXP intrinsic functions
     exist on UNICOS and UNICOS/mk systems.  On UNICOS/mk systems, the
     vector versions of these intrinsics are used when -O vector3 or -O 3
     are specified on the compiler command line.  A vector version of the
     single-precision and double-precision EXP intrinsic exists on IRIX
     systems and is used when -O3 is specified on the compiler command
     line.
                                   x
     These functions evaluate y = e .

NOTES
     The EXP, DEXP, and CEXP intrinsic function names can be passed as
     arguments; the others cannot.

     On CRAY T90 systems that support IEEE arithmetic, the following return
     values occur:

          EXP(x) = 0 if x < -708.4

          EXP(x) = infinity if x > 709.78

          EXP(NaN) = NaN

RETURN VALUES
     The data type and kind type for single-precision, double-precision,
     and quad-precision values differ depending on your platform.  For
     platform-specific information, see the TERMINOLOGY section of the
     INTRO_INTRIN(3I) man page.
                                                                 x
     EXP returns the single-precision real exponential function e  of its
     real argument.
                                                                  x
     DEXP returns the double-precision real exponential function e  of its
     double-precision real argument.
                                                                x
     QEXP returns the quad-precision real exponential function e  of its
     quad-precision real argument.
                                                                     x
     CEXP returns the single-precision complex exponential function e  of
     its single-precision complex argument.
                                                                      x
     CDEXP returns the double-precision complex exponential function e  of
     its double-precision complex argument.
                                                                    x
     CQEXP returns the quad-precision complex exponential function e  of
     its quad-precision complex argument.

SEE ALSO
     Intrinsic Procedures Reference Manual for the printed version of this
     man page.