EXP — Exponential function#

EXP(X)#

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

Parameters

X – The type shall be REAL or COMPLEX.

Returns

The return value has same type and kind as X.

Standard:

Fortran 77 and later, has overloads that are GNU extensions

Class:

Elemental function

Syntax:
RESULT = EXP(X)
Example:
program test_exp
  real :: x = 1.0
  x = exp(x)
end program test_exp
Specific names:

Name

Argument

Return type

Standard

EXP(X)

REAL(4) X

REAL(4)

Fortran 77 and later

DEXP(X)

REAL(8) X

REAL(8)

Fortran 77 and later

CEXP(X)

COMPLEX(4) X

COMPLEX(4)

Fortran 77 and later

ZEXP(X)

COMPLEX(8) X

COMPLEX(8)

GNU extension

CDEXP(X)

COMPLEX(8) X

COMPLEX(8)

GNU extension