+2007-10-03 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
+
+ PR libfortran/33469
+ * gfortran.dg/default_format_1.f90: New test.
+ * gfortran.dg/default_format_2.f90: New test.
+ * gfortran.dg/namelist_print_1.f: Adjust expected output.
+ * gfortran.dg/real_const_3.f90: Adjust expected output.
+
2007-10-02 Richard Sandiford <rsandifo@nildram.co.uk>
* gcc.target/mips/mips.exp (setup_mips_tests): Set mips_abi to the
--- /dev/null
+! { dg-do run }
+!
+! This tests that the default formats for formatted I/O of reals are
+! wide enough and have enough precision, by checking that values can
+! be written and read back.
+!
+module test_default_format
+ interface test
+ module procedure test_r4
+ module procedure test_r8
+ end interface test
+
+ integer, parameter :: count = 200
+
+contains
+ function test_r4 (start, towards) result (res)
+ integer, parameter :: k = 4
+ integer, intent(in) :: towards
+ real(k), intent(in) :: start
+
+ integer :: res, i
+ real(k) :: x, y
+ character(len=100) :: s
+
+ res = 0
+
+ if (towards >= 0) then
+ x = start
+ do i = 0, count
+ write (s,*) x
+ read (s,*) y
+ if (y /= x) res = res + 1
+ x = nearest(x,huge(x))
+ end do
+ end if
+
+ if (towards <= 0) then
+ x = start
+ do i = 0, count
+ write (s,*) x
+ read (s,*) y
+ if (y /= x) res = res + 1
+ x = nearest(x,-huge(x))
+ end do
+ end if
+ end function test_r4
+
+ function test_r8 (start, towards) result (res)
+ integer, parameter :: k = 8
+ integer, intent(in) :: towards
+ real(k), intent(in) :: start
+
+ integer :: res, i
+ real(k) :: x, y
+ character(len=100) :: s
+
+ res = 0
+
+ if (towards >= 0) then
+ x = start
+ do i = 0, count
+ write (s,*) x
+ read (s,*) y
+ if (y /= x) res = res + 1
+ x = nearest(x,huge(x))
+ end do
+ end if
+
+ if (towards <= 0) then
+ x = start
+ do i = 0, count
+ write (s,*) x
+ read (s,*) y
+ if (y /= x) res = res + 1
+ x = nearest(x,-huge(x))
+ end do
+ end if
+ end function test_r8
+
+end module test_default_format
+
+program main
+ use test_default_format
+
+ if (test (1.0_4, 0) /= 0) call abort
+ if (test (0.0_4, 0) /= 0) call abort
+ if (test (tiny(0.0_4), 0) /= 0) call abort
+ if (test (-tiny(0.0_4), 0) /= 0) call abort
+ if (test (huge(0.0_4), -1) /= 0) call abort
+ if (test (-huge(0.0_4), 1) /= 0) call abort
+
+ if (test (1.0_8, 0) /= 0) call abort
+ if (test (0.0_8, 0) /= 0) call abort
+ if (test (tiny(0.0_8), 0) /= 0) call abort
+ if (test (-tiny(0.0_8), 0) /= 0) call abort
+ if (test (huge(0.0_8), -1) /= 0) call abort
+ if (test (-huge(0.0_8), 1) /= 0) call abort
+
+end program main
+!
+! { dg-final { cleanup-modules "test_default_format" } }
--- /dev/null
+! { dg-do run }
+! { dg-require-effective-target fortran_large_real }
+!
+! This tests that the default formats for formatted I/O of reals are
+! wide enough and have enough precision, by checking that values can
+! be written and read back.
+!
+module test_default_format
+ interface test
+ module procedure test_rl
+ end interface test
+
+ integer, parameter :: kl = selected_real_kind (precision (0.0_8) + 1)
+ integer, parameter :: count = 200
+
+contains
+
+ function test_rl (start, towards) result (res)
+ integer, parameter :: k = kl
+ integer, intent(in) :: towards
+ real(k), intent(in) :: start
+
+ integer :: res, i
+ real(k) :: x, y
+ character(len=100) :: s
+
+ res = 0
+
+ if (towards >= 0) then
+ x = start
+ do i = 0, count
+ write (s,*) x
+ read (s,*) y
+ if (y /= x) res = res + 1
+ x = nearest(x,huge(x))
+ end do
+ end if
+
+ if (towards <= 0) then
+ x = start
+ do i = 0, count
+ write (s,*) x
+ read (s,*) y
+ if (y /= x) res = res + 1
+ x = nearest(x,-huge(x))
+ end do
+ end if
+ end function test_rl
+
+end module test_default_format
+
+program main
+ use test_default_format
+
+ if (test (1.0_kl, 0) /= 0) call abort
+ if (test (0.0_kl, 0) /= 0) call abort
+ if (test (tiny(0.0_kl), 0) /= 0) call abort
+ if (test (-tiny(0.0_kl), 0) /= 0) call abort
+ if (test (huge(0.0_kl), -1) /= 0) call abort
+ if (test (-huge(0.0_kl), 1) /= 0) call abort
+
+end program main
+!
+! { dg-final { cleanup-modules "test_default_format" } }
namelist /mynml/ x
x = 1
! ( dg-output "^" }
- print mynml ! { dg-output "&MYNML(\n|\r\n|\r) X= 1.000000 , /(\n|\r\n|\r)" }
+ print mynml ! { dg-output "&MYNML(\n|\r\n|\r) X= 1.00000000 , /(\n|\r\n|\r)" }
end
end program main
!{ dg-output " \\+Infinity(\n|\r\n|\r)" }
-!{ dg-output " 0.000000 (\n|\r\n|\r)" }
-!{ dg-output " -Infinity(\n|\r\n|\r)" }
-!{ dg-output " NaN(\n|\r\n|\r)" }
-!{ dg-output " NaN(\n|\r\n|\r)" }
-!{ dg-output " -Infinity(\n|\r\n|\r)" }
-!{ dg-output " -Infinity(\n|\r\n|\r)" }
-!{ dg-output " \\+Infinity(\n|\r\n|\r)" }
-!{ dg-output " NaN(\n|\r\n|\r)" }
-!{ dg-output " \\( NaN, NaN\\)(\n|\r\n|\r)" }
-!{ dg-output " \\( NaN, NaN\\)(\n|\r\n|\r)" }
-!{ dg-output " \\( \\+Infinity, -Infinity\\)(\n|\r\n|\r)" }
-!{ dg-output " \\( 0.000000 , -0.000000 \\)(\n|\r\n|\r)" }
+!{ dg-output " 0.0000000 (\n|\r\n|\r)" }
+!{ dg-output " -Infinity(\n|\r\n|\r)" }
+!{ dg-output " NaN(\n|\r\n|\r)" }
+!{ dg-output " NaN(\n|\r\n|\r)" }
+!{ dg-output " -Infinity(\n|\r\n|\r)" }
+!{ dg-output " -Infinity(\n|\r\n|\r)" }
+!{ dg-output " \\+Infinity(\n|\r\n|\r)" }
+!{ dg-output " NaN(\n|\r\n|\r)" }
+!{ dg-output " \\( NaN, NaN\\)(\n|\r\n|\r)" }
+!{ dg-output " \\( NaN, NaN\\)(\n|\r\n|\r)" }
+!{ dg-output " \\( \\+Infinity, -Infinity\\)(\n|\r\n|\r)" }
+!{ dg-output " \\( 0.0000000 , -0.0000000 \\)(\n|\r\n|\r)" }
+2007-10-02 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
+
+ PR fortran/33469
+ * io/write.c (write_real): Widen the default formats.
+
2007-09-28 Jerry DeLisle <jvdelisle@gcc.gnu.org>
PR libfortran/33400
switch (length)
{
case 4:
- f.u.real.w = 14;
- f.u.real.d = 7;
+ f.u.real.w = 15;
+ f.u.real.d = 8;
f.u.real.e = 2;
break;
case 8:
- f.u.real.w = 23;
- f.u.real.d = 15;
+ f.u.real.w = 25;
+ f.u.real.d = 17;
f.u.real.e = 3;
break;
case 10:
- f.u.real.w = 28;
- f.u.real.d = 19;
+ f.u.real.w = 29;
+ f.u.real.d = 20;
f.u.real.e = 4;
break;
case 16: