The Meson Build System
http://mesonbuild.com/
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
32 lines
580 B
32 lines
580 B
use, intrinsic :: iso_fortran_env, only : error_unit, sp=>real32, dp=>real64 |
|
implicit none |
|
|
|
real(sp) :: a32 |
|
real(dp) :: a64 |
|
|
|
real(sp), parameter :: pi32 = 4*atan(1._sp) |
|
real(dp), parameter :: pi64 = 4*atan(1._dp) |
|
|
|
if (pi32 == pi64) error stop 'real32 values generally do not exactly equal real64 values' |
|
|
|
call timestwo(a32) |
|
call timestwo(a64) |
|
|
|
contains |
|
|
|
elemental subroutine timestwo(a) |
|
|
|
class(*), intent(inout) :: a |
|
|
|
select type (a) |
|
type is (real(sp)) |
|
a = 2*a |
|
type is (real(dp)) |
|
a = 2*a |
|
type is (integer) |
|
a = 2*a |
|
end select |
|
|
|
end subroutine timestwo |
|
|
|
end program |