PR libfortran/24685

	* io/write.c (write_real): Widen the default format for real(10)
	variables output.

	* gfortran.dg/large_real_kind_form_io_2.f90: New test.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@110627 138bc75d-0d04-0410-961f-82ee72b054a4

diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index d21d5a7..34202b7 100644 (file)
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2006-02-06  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
+
+       PR libfortran/24685
+       * gfortran.dg/large_real_kind_form_io_2.f90: New test.
+
 2006-02-05  Andrew Pinski  <pinskia@physics.uc.edu>
 
        PR tree-opt/25251

diff --git a/gcc/testsuite/gfortran.dg/large_real_kind_form_io_2.f90 b/gcc/testsuite/gfortran.dg/large_real_kind_form_io_2.f90
new file mode 100644 (file)
index 0000000..d48e3d5
--- /dev/null
+++ b/gcc/testsuite/gfortran.dg/large_real_kind_form_io_2.f90
@@ -0,0 +1,33 @@
+! { dg-do run }
+! { dg-require-effective-target fortran_large_real }
+! PR libfortran/24685
+program large_real_kind_form_io_2
+  ! This should be 10 or 16 on systems that support kind=10 or kind=16
+  integer, parameter :: k = selected_real_kind (precision (0.0_8) + 1)
+  real(kind=k) :: a,b(2), c
+  character(len=180) :: tmp
+
+  b(:) = huge(0.0_k)
+  write (tmp, *) b
+  read (tmp, *) a, c
+  if (a /= b(1)) call abort ()
+  if (c /= b(2)) call abort ()
+
+  b(:) = -huge(0.0_k)
+  write (tmp, *) b
+  read (tmp, *) a, c
+  if (a /= b(1)) call abort ()
+  if (c /= b(2)) call abort ()
+
+  b(:) = tiny(0.0_k)
+  write (tmp, *) b
+  read (tmp, *) a, c
+  if (a /= b(1)) call abort ()
+  if (c /= b(2)) call abort ()
+
+  b(:) = -tiny(0.0_k)
+  write (tmp, *) b
+  read (tmp, *) a, c
+  if (a /= b(1)) call abort ()
+  if (c /= b(2)) call abort ()
+end program large_real_kind_form_io_2

diff --git a/libgfortran/ChangeLog b/libgfortran/ChangeLog
index 04d68f0..ef4db4f 100644 (file)
--- a/libgfortran/ChangeLog
+++ b/libgfortran/ChangeLog
@@ -1,3 +1,9 @@
+2006-02-06  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
+
+       PR libfortran/24685
+       * io/write.c (write_real): Widen the default format for real(10)
+       variables output.
+
 2006-01-24  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
 
        PR libgfortran/25835

diff --git a/libgfortran/io/write.c b/libgfortran/io/write.c
index d6323f4..d7ce6c5 100644 (file)
--- a/libgfortran/io/write.c
+++ b/libgfortran/io/write.c
@@ -1373,8 +1373,8 @@ write_real (st_parameter_dt *dtp, const char *source, int length)
       f.u.real.e = 3;
       break;
     case 10:
-      f.u.real.w = 24;
-      f.u.real.d = 15;
+      f.u.real.w = 28;
+      f.u.real.d = 19;
       f.u.real.e = 4;
       break;
     case 16: