| ! { dg-do run } |
| ! PR fortran/109186 - Verify that NEAREST produces same results at |
| ! compile-time and run-time for corner cases |
| ! Reported by John Harper |
| |
| program p |
| implicit none |
| integer, parameter :: sp = selected_real_kind (6) |
| integer, parameter :: dp = selected_real_kind (13) |
| real(sp), parameter :: x1 = huge (1._sp), t1 = tiny (1._sp) |
| real(dp), parameter :: x2 = huge (1._dp), t2 = tiny (1._dp) |
| real(sp), volatile :: y1, z1 |
| real(dp), volatile :: y2, z2 |
| y1 = x1 |
| z1 = nearest (y1, -1._sp) |
| if (nearest (x1, -1._sp) /= z1) stop 1 |
| y2 = x2 |
| z2 = nearest (y2, -1._dp) |
| if (nearest (x2, -1._dp) /= z2) stop 2 |
| y1 = t1 |
| z1 = nearest (y1, 1._sp) |
| if (nearest (t1, 1._sp) /= z1) stop 3 |
| y2 = t2 |
| z2 = nearest (y2, 1._dp) |
| if (nearest (t2, 1._dp) /= z2) stop 4 |
| end |
