| ! { dg-do run } |
| ! { dg-options "-fno-range-check" } |
| ! { dg-add-options ieee } |
| ! |
| ! PR fortran/34319 |
| ! |
| ! Check support of INF/NaN for I/O. |
| ! |
| program main |
| implicit none |
| real :: r |
| complex :: z |
| character(len=30) :: str |
| |
| str = "nan" |
| read(str,*) r |
| if (.not.isnan(r)) STOP 1 |
| str = "(nan,4.0)" |
| read(str,*) z |
| if (.not.isnan(real(z)) .or. aimag(z) /= 4.0) STOP 2 |
| str = "(7.0,nan)" |
| read(str,*) z |
| if (.not.isnan(aimag(z)) .or. real(z) /= 7.0) STOP 3 |
| |
| str = "inFinity" |
| read(str,*) r |
| if (r <= huge(r)) STOP 4 |
| str = "(+inFinity,4.0)" |
| read(str,*) z |
| if ((real(z) <= huge(r)) .or. aimag(z) /= 4.0) STOP 5 |
| str = "(7.0,-inFinity)" |
| read(str,*) z |
| if ((aimag(z) >= -huge(r)) .or. real(z) /= 7.0) STOP 6 |
| |
| str = "inf" |
| read(str,*) r |
| if (r <= huge(r)) STOP 7 |
| str = "(+inf,4.0)" |
| read(str,*) z |
| if ((real(z) <= huge(r)) .or. aimag(z) /= 4.0) STOP 8 |
| str = "(7.0,-inf)" |
| read(str,*) z |
| if ((aimag(z) >= -huge(r)) .or. real(z) /= 7.0) STOP 9 |
| |
| end program main |