flang/test/Semantics/reshape.f90

   1 ! RUN: %S/test_errors.sh %s %t %flang_fc1
   2 ! REQUIRES: shell
   3
   4 !Tests for RESHAPE
   5 program reshaper
   6   ! RESHAPE with arguments SOURCE and SHAPE
   7   integer, parameter :: array1(2,3) = RESHAPE([(n, n=1,6)], [2,3])
   8   ! RESHAPE with arguments SOURCE, SHAPE, and PAD
   9   integer :: array2(2,3) = RESHAPE([(n, n=1,4)], [2,3], [99])
  10   ! RESHAPE with arguments SOURCE, SHAPE, PAD, and ORDER
  11   integer :: array3(2,3) = RESHAPE([(n, n=1,4)], [2,3], [99], [2, 1])
  12   !ERROR: Too few elements in 'source=' argument and 'pad=' argument is not present or has null size
  13   integer :: array4(2,3) = RESHAPE([(n, n=1,5)], [2,3])
  14   !ERROR: Actual argument for 'shape=' has bad type 'REAL(4)'
  15   integer :: array5(2,3) = RESHAPE([(n, n=1,6)], [2.2,3.3])
  16   !ERROR: 'shape=' argument must be an array of rank 1
  17   integer :: array6(2,3) = RESHAPE([(n, n=1,6)], RESHAPE([(n, n=1,6)], [2,3]))
  18   !ERROR: 'shape=' argument must be an array of rank 1
  19   integer :: array7(2,3) = RESHAPE([(n, n=1,4)], 343)
  20   !ERROR: Actual argument for 'pad=' has bad type or kind 'INTEGER(8)'
  21   integer :: array8(2,3) = RESHAPE([(n, n=1,4)], [2,3], [99_8])
  22   !ERROR: Actual argument for 'pad=' has bad type or kind 'REAL(4)'
  23   real :: array9(2,3) = RESHAPE([(n, n=1,4)], [2,3], [99.9])
  24   !ERROR: Invalid 'order=' argument in RESHAPE
  25   real :: array10(2,3) = RESHAPE([(n,n=1,4)],[2,3],[99],[2,3])
  26   !ERROR: Actual argument for 'order=' has bad type 'REAL(4)'
  27   real :: array11(2,3) = RESHAPE([(n, n=1,4)], [2,3], [99], [2.2,3.3])
  28   !ERROR: Invalid 'order=' argument in RESHAPE
  29   real :: array12(2,3) = RESHAPE([(n, n=1,4)], [2,3], [99], [1])
  30   !ERROR: Invalid 'order=' argument in RESHAPE
  31   real :: array13(2,3) = RESHAPE([(n, n = 1, 4)], [2, 3], [99], [1, 1])
  32
  33   ! Examples that have caused problems
  34   integer :: array14(0,0,0) = RESHAPE([(n,n=1,0)],[0,0,0])
  35   integer, parameter :: array15(1) = RESHAPE([(n,n=1,2)],[1])
  36   integer, parameter :: array16(1) = RESHAPE([(n,n=1,8)],[1], [0], array15)
  37   integer, parameter, dimension(3,4) :: array17 = 3
  38   integer, parameter, dimension(3,4) :: array18 = RESHAPE(array17, [3,4])
  39   ! Implicit reshape of array of components
  40   type :: dType
  41     integer :: field(2)
  42   end type dType
  43   type(dType), parameter :: array19(*) = [dType::dType(field=[1,2])]
  44   logical, parameter :: lVar = all(array19(:)%field(1) == [2])
  45
  46   !ERROR: Size of 'shape=' argument must not be greater than 15
  47   CALL ext_sub(RESHAPE([(n, n=1,20)], &
  48     [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]))
  49   !ERROR: 'shape=' argument must not have a negative extent
  50   CALL ext_sub(RESHAPE([(n, n=1,20)], [1, -5, 3]))
  51 end program reshaper