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module template_add_04_m
implicit none
private
public :: add_t
requirement R(T, F)
type, deferred :: T
function F(x, y) result(z)
type(T), intent(in) :: x, y
type(T) :: z
end function
end requirement
template add_t(T, F, mult)
require :: R(T, F)
integer :: mult
private
public :: add_generic
contains
function add_generic(x, y) result(z)
type(T), intent(in) :: x, y
type(T) :: z
integer :: i
z = F(x, y)
do i = 1,mult-1
z = F(z, F(x,y))
end do
end function
end template
contains
real function func_arg_real(x, y) result(z)
real, intent(in) :: x, y
z = x + y
end function
integer function func_arg_int(x, y) result(z)
integer, intent(in) :: x, y
z = x + y
end function
subroutine test_template()
integer, parameter :: n = 10
instantiate add_t(real, func_arg_real, n), only: add_real => add_generic
real :: x, y
integer :: a, b
x = 5.1
y = 7.2
print*, "The result is ", add_real(x, y)
end subroutine
end module
program template_add_04
use template_add_04_m
implicit none
call test_template()
end program
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