W3cubDocs

/GNU Fortran 7

9.89 DREAL — Double real part function

Description:

DREAL(Z) returns the real part of complex variable Z.

Standard:

GNU extension

Class:

Elemental function

Syntax:

RESULT = DREAL(A)

Arguments:
A The type shall be COMPLEX(8).
Return value:

The return value is of type REAL(8).

Example:
program test_dreal
    complex(8) :: z = (1.3_8,7.2_8)
    print *, dreal(z)
end program test_dreal
See also:

AIMAG

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