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9.102 EXP — Exponential function

Description:

EXP(X) computes the base e exponential of X.

Standard:

Fortran 77 and later, has overloads that are GNU extensions

Class:

Elemental function

Syntax:

RESULT = EXP(X)

Arguments:
XThe type shall be REAL or COMPLEX.
Return value:

The return value has same type and kind as X.

Example:
program test_exp
  real :: x = 1.0
  x = exp(x)
end program test_exp
Specific names:
NameArgumentReturn typeStandard
EXP(X)REAL(4) XREAL(4)Fortran 77 and later
DEXP(X)REAL(8) XREAL(8)Fortran 77 and later
CEXP(X)COMPLEX(4) XCOMPLEX(4)Fortran 77 and later
ZEXP(X)COMPLEX(8) XCOMPLEX(8)GNU extension
CDEXP(X)COMPLEX(8) XCOMPLEX(8)GNU extension