File: allocate_with_source_12.f03

package info (click to toggle)
gcc-arm-none-eabi 15%3A14.2.rel1-1
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 1,099,328 kB
  • sloc: cpp: 3,627,108; ansic: 2,571,498; ada: 834,230; f90: 235,082; makefile: 79,231; asm: 74,984; xml: 51,692; exp: 39,736; sh: 33,298; objc: 15,629; python: 15,069; fortran: 14,429; pascal: 7,003; awk: 5,070; perl: 3,106; ml: 285; lisp: 253; lex: 204; haskell: 135
file content (38 lines) | stat: -rw-r--r-- 1,067 bytes parent folder | download | duplicates (3) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
 
! { dg-do run }
!
! Checks the fix for PR67171, where the second ALLOCATE with and array section
! SOURCE produced a zero index based temporary, which threw the assignment.
!
! Contributed by Anton Shterenlikht  <mexas@bristol.ac.uk>
!
program z
  implicit none
  integer, parameter :: DIM1_SIZE = 10
  real, allocatable :: d(:,:), tmp(:,:)
  integer :: i, errstat

  allocate (d(DIM1_SIZE, 2), source = 0.0, stat=errstat )

  d(:,1) = [( real (i), i=1,DIM1_SIZE)]
  d(:,2) = [( real(2*i), i=1,DIM1_SIZE)]
!  write (*,*) d(1, :)

  call move_alloc (from = d, to = tmp)
!  write (*,*) tmp( 1, :)

  allocate (d(DIM1_SIZE / 2, 2), source = tmp(1 : DIM1_SIZE / 2, :) , stat=errstat)
  if (any (d .ne. tmp(1:DIM1_SIZE/2,:))) STOP 1
  deallocate (d)

  allocate (d(DIM1_SIZE / 2, 2), source = foo (tmp(1 : DIM1_SIZE / 2, :)) , stat=errstat)
  if (any (d .ne. tmp(1 : DIM1_SIZE / 2, :))) STOP 2

  deallocate (tmp , d)

contains
  function foo (arg) result (res)
    real :: arg(:,:)
    real :: res(size (arg, 1), size (arg, 2))
    res = arg
  end function
end program z