| ! { dg-do run } |
| ! { dg-options "-fno-sign-zero" } |
| ! PR17706 |
| ! this is a libgfortran test |
| ! output value -0.00 is not standard compliant |
| ! derived from NIST F77 test FM406, with extra bits added. |
| program pr17706 |
| implicit none |
| character(len=10) :: s |
| character(len=10), parameter :: x = "xxxxxxxxxx" |
| real, parameter :: small = -0.0001 |
| |
| s = x |
| write (s, '(F4.1)') small |
| ! The plus is optional. We choose not to display it. |
| if (s .ne. " 0.0") STOP 1 |
| |
| s = x |
| write (s, '(SS,F4.1)') small |
| if (s .ne. " 0.0") STOP 2 |
| |
| s = x |
| write (s, '(SP,F4.1)') small |
| if (s .ne. "+0.0") STOP 3 |
| end program |