当我最初无法预测数组的确切大小时,我需要在 Fortran 90 中使用动态数组。所以我编写了一段代码,每次将新元素添加到数组末尾时,该代码都应该扩展可分配数组:
subroutine DArray()
double precision, dimension(:), allocatable :: list
allocate(list(1))
list(1) = 1.1
call AddToList(list, 2.2)
call AddToList(list, 3.2)
call AddToList(list, 4.2)
call AddToList(list, 5.2)
print *, list(1)
print *, list(2)
print *, list(3)
print *, list(4)
print *, list(5)
end
subroutine AddToList(list, element)
double precision :: element
double precision, dimension(:), allocatable :: list
double precision, dimension(:), allocatable :: clist
if(allocated(list)) then
isize = size(list)
allocate(clist(isize+1))
do i=1,isize
clist(i) = list(i)
end do
clist(i+1) = element
deallocate(list) …Run Code Online (Sandbox Code Playgroud)