Fortran Wiki
dble

Description

dble(a) Converts a to double precision real type.

Standard

FORTRAN 77 and later

Class

Elemental function

Syntax

result = dble(a)

Arguments

• a - The type shall be integer, real, or complex.

Return value

The return value is of type double precision real.

Example

program test_dble
    real    :: x = 2.18
    integer :: i = 5
    complex :: z = (2.3,1.14)
    print *, dble(x), dble(i), dble(z)
end program test_dble

See also

float, real