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/GNU Fortran 7

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:
X The 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:
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

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Licensed under the GNU Free Documentation License, Version 1.3.
https://gcc.gnu.org/onlinedocs/gcc-7.1.0/gfortran/EXP.html