gcc/testsuite/gfortran.dg/fmt_f_default_field_width_2.f90

   1 ! { dg-do run }
   2 ! { dg-options "-cpp -fdec-format-defaults" }
   3 !
   4 ! Test case for the default field widths enabled by the -fdec-format-defaults flag.
   5 !
   6 ! This feature is not part of any Fortran standard, but it is supported by the
   7 ! Oracle Fortran compiler and others.
   8 !
   9 ! Test case added by Mark Eggleston <mark.eggleston@codethink.com> to check
  10 ! use of -fdec-format-defaults
  11 !
  12
  13 program test
  14     implicit none
  15     character(50) :: buffer
  16
  17     real(4) :: real_4
  18     real(8) :: real_8
  19 #ifdef __GFC_REAL_16__
  20     real(16) :: real_16
  21 #endif
  22     integer :: len
  23     character(*), parameter :: fmt = "(A, F, A)"
  24
  25     real_4 = 4.18
  26     write(buffer, fmt) ':',real_4,':'
  27     print *,buffer
  28     if (buffer.ne.":      4.1799998:") stop 1
  29
  30     real_4 = 0.00000018
  31     write(buffer, fmt) ':',real_4,':'
  32     print *,buffer
  33     if (buffer.ne.":      0.0000002:") stop 2
  34
  35     real_8 = 4.18
  36     write(buffer, fmt) ':',real_8,':'
  37     print *,buffer
  38     len = len_trim(buffer)
  39     if (len /= 27) stop 3
  40
  41 #ifdef __GFC_REAL_16__
  42     real_16 = 4.18
  43     write(buffer, fmt) ':',real_16,':'
  44     print *,buffer
  45     len = len_trim(buffer)
  46     if (len /= 44) stop 4
  47 #endif
  48 end