gcc/testsuite/gfortran.dg/maxval_char_3.f90

   1 ! { dg-do run }
   2 program main
   3   implicit none
   4   integer, parameter :: n=5
   5   character(len=6), dimension(n,n) :: a
   6   integer, dimension(n,n) :: v
   7   character(len=6), dimension(n) :: r1, r2
   8   character(len=6), dimension(:,:), allocatable :: a_alloc
   9   integer, dimension(:,:), allocatable :: v_alloc
  10   character(len=6), parameter :: zero = achar(0) // achar(0) // achar(0) // achar(0) // achar(0) // achar(0)
  11   integer :: i
  12   character(len=6),dimension(1) :: ret
  13   logical, dimension(n,n) :: mask
  14   logical :: smask
  15
  16   v = reshape([(i*i+200-17*i,i=1,n*n)],shape(v))
  17   write (unit=a,fmt='(I6.6)') (i*i+200-17*i,i=1,n*n)
  18
  19   r1 =  maxval(a,dim=1)
  20   write (unit=r2,fmt='(I6.6)') maxval(v,dim=1)
  21   if (any (r1 /= r2)) call abort
  22   r1 = 'x'
  23   write (unit=r1,fmt='(I6.6)') maxval(v,dim=1)
  24   if (any (r1 /= r2)) call abort
  25
  26   r1 = 'y'
  27   r1 =  maxval(a,dim=2)
  28   write (unit=r2,fmt='(I6.6)') maxval(v,dim=2)
  29   if (any (r1 /= r2)) call abort
  30   r1 = 'z'
  31   write (unit=r1,fmt='(I6.6)') maxval(v,dim=2)
  32   if (any (r1 /= r2)) call abort
  33
  34   allocate (a_alloc(0,1), v_alloc(0,1))
  35   ret = 'what'
  36   ret = maxval(a_alloc,dim=1)
  37   if (ret(1) /= zero) call abort
  38
  39   r1 = 'qq'
  40   r1 = maxval(a, dim=1, mask=a>"000200");
  41   if (any(r1 /= zero .neqv. maxval(v,dim=1, mask=v>200) > 0)) call abort
  42   if (any(maxval(a, dim=1, mask=a>"000200") /= zero .neqv. maxval(v,dim=1, mask=v>200) > 0)) call abort
  43
  44   r1 = 'rr'
  45   r1 = maxval(a, dim=2, mask=a>"000200");
  46   if (any(r1 /= zero .neqv. maxval(v,dim=2, mask=v>200) > 0)) call abort
  47   if (any(maxval(a, dim=2, mask=a>"000200") /= zero .neqv. maxval(v,dim=2, mask=v>200) > 0)) call abort
  48
  49   mask = .true.
  50   forall (i=1:n)
  51      mask(i,i) = .false.
  52   end forall
  53
  54   r1 = 'aa'
  55   r1 = maxval(a, dim=1, mask=mask)
  56   write(unit=r2,fmt='(I6.6)') maxval(v,dim=1, mask=mask)
  57   if (any(r1 /= r2)) call abort
  58
  59   r1 = 'xyz'
  60   smask = .true.
  61   r1 = maxval(a, dim=1, mask=smask)
  62   write (unit=r2,fmt='(I6.6)') maxval(v,dim=1)
  63   if (any (r1 /= r2)) call abort
  64
  65   smask = .false.
  66   r1 = 'foobar'
  67   r1 = maxval(a, dim=1, mask=smask)
  68   if (any(r1 /= zero)) call abort
  69 end program main