| ! { dg-do run { target { ! ia32 } } } |
| ! x87 / x86-32 ABI is unsuitable for signaling NaNs |
| ! |
| program test |
| use, intrinsic :: iso_c_binding |
| use, intrinsic :: ieee_arithmetic |
| implicit none |
| |
| real(kind=c_float) :: x |
| real(kind=c_double) :: y |
| real(kind=c_long_double) :: z |
| |
| if (ieee_support_nan(x)) then |
| x = ieee_value(x, ieee_signaling_nan) |
| if (ieee_class(x) /= ieee_signaling_nan) stop 100 |
| if (.not. ieee_is_nan(x)) stop 101 |
| |
| x = ieee_value(x, ieee_quiet_nan) |
| if (ieee_class(x) /= ieee_quiet_nan) stop 103 |
| if (.not. ieee_is_nan(x)) stop 104 |
| end if |
| |
| if (ieee_support_nan(y)) then |
| y = ieee_value(y, ieee_signaling_nan) |
| if (ieee_class(y) /= ieee_signaling_nan) stop 100 |
| if (.not. ieee_is_nan(y)) stop 101 |
| |
| y = ieee_value(y, ieee_quiet_nan) |
| if (ieee_class(y) /= ieee_quiet_nan) stop 103 |
| if (.not. ieee_is_nan(y)) stop 104 |
| end if |
| |
| if (ieee_support_nan(z)) then |
| z = ieee_value(z, ieee_signaling_nan) |
| if (ieee_class(z) /= ieee_signaling_nan) stop 100 |
| if (.not. ieee_is_nan(z)) stop 101 |
| |
| z = ieee_value(z, ieee_quiet_nan) |
| if (ieee_class(z) /= ieee_quiet_nan) stop 103 |
| if (.not. ieee_is_nan(z)) stop 104 |
| end if |
| |
| end program test |
