gcc/testsuite/gfortran.dg/namelist_42.f90

   1 ! { dg-do run { target fd_truncate } }
   2 ! { dg-add-options ieee }
   3 ! { dg-skip-if "NaN not supported" { spu-*-* } { "*" } { "" } }
   4 !
   5 ! PR fortran/34427
   6 !
   7 ! Check that namelists and the real values Inf, NaN, Infinity
   8 ! properly coexist.
   9 !
  10  PROGRAM TEST
  11   IMPLICIT NONE
  12   real , DIMENSION(11) ::foo
  13   integer :: infinity
  14   NAMELIST /nl/ foo
  15   NAMELIST /nl/ infinity
  16   foo = -1.0
  17   infinity = -1
  18
  19   open (10, status="scratch")
  20 ! Works:
  21   write (10,*) " &nl foo = 5, 5, 5, nan, infinity, infinity "
  22   write (10,*)
  23   write (10,*) "      = 1, /"
  24   rewind (10)
  25   READ (10, NML = nl)
  26   close (10)
  27
  28   if(infinity /= 1) call abort()
  29   if(any(foo(1:3) /= [5.0, 5.0, 5.0]) .or. .not.isnan(foo(4)) &
  30      .or. foo(5) <= huge(foo) .or. any(foo(6:11) /= -1.0)) &
  31     call abort()
  32 ! Works too:
  33   foo = -1.0
  34   infinity = -1
  35
  36   open (10, status="scratch")
  37   rewind (10)
  38   write (10,'(a)') "&nl foo = 5, 5, 5, nan, infinity, infinity"
  39   write (10,'(a)') "=1,/"
  40   rewind (10)
  41   READ (10, NML = nl)
  42   CLOSE (10)
  43
  44   if(infinity /= 1) call abort()
  45   if(any(foo(1:3) /= [5.0, 5.0, 5.0]) .or. .not.isnan(foo(4)) &
  46      .or. foo(5) <= huge(foo) .or. any(foo(6:11) /= -1.0)) &
  47     call abort()
  48  END PROGRAM TEST