gcc/testsuite/gfortran.dg/pr17706.f90

   1 ! { dg-do run }
   2 ! PR17706
   3 ! this is a libgfortran test
   4 ! output value -0.00 is not standard compliant
   5 ! derived from NIST F77 test FM406, with extra bits added.
   6 program pr17706
   7   implicit none
   8   character(len=10) :: s
   9   character(len=10), parameter :: x = "xxxxxxxxxx"
  10   real, parameter :: small = -0.0001
  11
  12   s = x
  13   write (s, '(F4.1)') small
  14   ! The plus is optional.  We choose not to display it.
  15   if (s .ne. " 0.0") call abort
  16
  17   s = x
  18   write (s, '(SS,F4.1)') small
  19   if (s .ne. " 0.0") call abort
  20
  21   s = x
  22   write (s, '(SP,F4.1)') small
  23   if (s .ne. "+0.0") call abort
  24 end program