Somehow that got lot when updating the file. I think, we really need a
proper test suite - the current quad_{1,2,3}.f90 are a first step, but
rather incomplete.
Committed as Rev. 194100 after build+regtesting.
Tobias
Index: libquadmath/ChangeLog
===================================================================
--- libquadmath/ChangeLog (Revision 194099)
+++ libquadmath/ChangeLog (Arbeitskopie)
@@ -1,3 +1,8 @@
+2012-12-03 Tobias Burnus <bur...@net-b.de>
+
+ * strtod/strtod_l.c (___STRTOF_INTERNAL): Fix exponent
+ reading.
+
2012-11-25 Tobias Burnus <bur...@net-b.de>
PR libquadmath/55462
Index: libquadmath/strtod/strtod_l.c
===================================================================
--- libquadmath/strtod/strtod_l.c (Revision 194099)
+++ libquadmath/strtod/strtod_l.c (Arbeitskopie)
@@ -1005,6 +1005,9 @@ ____STRTOF_INTERNAL (nptr, endptr, group)
/* NOTREACHED */
}
+ exponent *= 10;
+ exponent += c - L_('0');
+
c = *++cp;
}
while (c >= L_('0') && c <= L_('9'));
Index: gcc/testsuite/ChangeLog
===================================================================
--- gcc/testsuite/ChangeLog (Revision 194099)
+++ gcc/testsuite/ChangeLog (Arbeitskopie)
@@ -1,3 +1,7 @@
+2012-12-03 Tobias Burnus <bur...@net-b.de>
+
+ * gfortran.dg/quad_3.f90: New.
+
2012-12-03 Paolo Carlini <paolo.carl...@oracle.com>
PR c++/54170
Index: gcc/testsuite/gfortran.dg/quad_3.f90
===================================================================
--- gcc/testsuite/gfortran.dg/quad_3.f90 (Revision 0)
+++ gcc/testsuite/gfortran.dg/quad_3.f90 (Arbeitskopie)
@@ -0,0 +1,27 @@
+! { dg-do run }
+!
+! I/O test for REAL(16)
+!
+! Contributed by Dominique d'Humieres
+!
+program test_qp
+ use iso_fortran_env, only: real_kinds
+ implicit none
+ integer, parameter :: QP = real_kinds(ubound(real_kinds,dim=1))
+ real(kind=qp) :: a,b(2), c
+ integer :: exponent
+ character(len=180) :: tmp
+
+ ! Run this only with libquadmath; assume that all those systems
+ ! have also kind=10.
+ if (size (real_kinds) >= 4 .and. real_kinds(3) == 10 .and. qp == 16) then
+ exponent = 4000
+ b(:) = huge (1.0_qp)/10.0_qp**exponent
+! print *, 'real(16) big value: ', b(1)
+ write (tmp, *) b
+ read (tmp, *) a, c
+! print *, 'same value read again: ', a, c
+! print *, 'difference: looks OK now ', a-b(1)
+ if (a-b(1) /= 0.0_qp .or. c-b(1) /= 0.0_qp) call abort()
+ end if
+end program test_qp