PR fortran/29383
[official-gcc.git] / gcc / testsuite / gfortran.dg / ieee / ieee_6.f90
bloba9a9517ee7cd6c67537fada0eb87b2e28ce9c1c1
1 ! { dg-do run }
3 ! This test will fail on older x86_64 glibc (< 2.20), due to this bug:
4 ! https://sourceware.org/bugzilla/show_bug.cgi?id=16198
5 ! We usually won't see it anyway, because on such systems x86_64 assembly
6 ! (libgfortran/config/fpu-387.h) is used.
8 use :: ieee_arithmetic
9 implicit none
11 type(ieee_status_type) :: s1, s2
12 logical :: flags(5), halt(5)
13 type(ieee_round_type) :: mode
14 real :: x
16 ! Test IEEE_GET_STATUS and IEEE_SET_STATUS
18 call ieee_set_flag(ieee_all, .false.)
19 call ieee_set_rounding_mode(ieee_down)
20 call ieee_set_halting_mode(ieee_all, .false.)
22 call ieee_get_status(s1)
23 call ieee_set_status(s1)
25 call ieee_get_flag(ieee_all, flags)
26 if (any(flags)) call abort
27 call ieee_get_rounding_mode(mode)
28 if (mode /= ieee_down) call abort
29 call ieee_get_halting_mode(ieee_all, halt)
30 if (any(halt)) call abort
32 call ieee_set_rounding_mode(ieee_to_zero)
33 call ieee_set_flag(ieee_underflow, .true.)
34 call ieee_set_halting_mode(ieee_overflow, .true.)
35 x = -1
36 x = sqrt(x)
37 if (.not. ieee_is_nan(x)) call abort
39 call ieee_get_status(s2)
41 call ieee_get_flag(ieee_all, flags)
42 if (.not. (all(flags .eqv. [.false.,.false.,.true.,.true.,.false.]) &
43 .or. all(flags .eqv. [.false.,.false.,.true.,.false.,.false.]))) call abort
44 call ieee_get_rounding_mode(mode)
45 if (mode /= ieee_to_zero) call abort
46 call ieee_get_halting_mode(ieee_all, halt)
47 if ((.not. halt(1)) .or. any(halt(2:))) call abort
49 call ieee_set_status(s2)
51 call ieee_get_flag(ieee_all, flags)
52 if (.not. (all(flags .eqv. [.false.,.false.,.true.,.true.,.false.]) &
53 .or. all(flags .eqv. [.false.,.false.,.true.,.false.,.false.]))) call abort
54 call ieee_get_rounding_mode(mode)
55 if (mode /= ieee_to_zero) call abort
56 call ieee_get_halting_mode(ieee_all, halt)
57 if ((.not. halt(1)) .or. any(halt(2:))) call abort
59 call ieee_set_status(s1)
61 call ieee_get_flag(ieee_all, flags)
62 if (any(flags)) call abort
63 call ieee_get_rounding_mode(mode)
64 if (mode /= ieee_down) call abort
65 call ieee_get_halting_mode(ieee_all, halt)
66 if (any(halt)) call abort
68 call ieee_set_status(s2)
70 call ieee_get_flag(ieee_all, flags)
71 if (.not. (all(flags .eqv. [.false.,.false.,.true.,.true.,.false.]) &
72 .or. all(flags .eqv. [.false.,.false.,.true.,.false.,.false.]))) call abort
73 call ieee_get_rounding_mode(mode)
74 if (mode /= ieee_to_zero) call abort
75 call ieee_get_halting_mode(ieee_all, halt)
76 if ((.not. halt(1)) .or. any(halt(2:))) call abort
78 end