aboutsummaryrefslogtreecommitdiff
path: root/gcc/fortran/module.c
diff options
context:
space:
mode:
authorTobias Burnus <burnus@net-b.de>2007-12-04 11:32:04 +0100
committerTobias Burnus <burnus@gcc.gnu.org>2007-12-04 11:32:04 +0100
commit3c031ab9dfe19a2158c020ec810e5690d2b3ab90 (patch)
tree5f2358bbfaf10b9c3d13b1e85b67b9c5db0f5d2c /gcc/fortran/module.c
parent0ffd38c81f2beb16d71d95a8cfa1b532d9d602ea (diff)
downloadgcc-3c031ab9dfe19a2158c020ec810e5690d2b3ab90.zip
gcc-3c031ab9dfe19a2158c020ec810e5690d2b3ab90.tar.gz
gcc-3c031ab9dfe19a2158c020ec810e5690d2b3ab90.tar.bz2
re PR fortran/34318 (Modules: Infinity/NaN parameters read as 0.0)
2007-12-04 Tobias Burnus <burnus@net-b.de> PR fortran/34318 * module.c (mio_gmp_real): Properly write NaN and Infinity. 2007-12-04 Tobias Burnus <burnus@net-b.de> PR fortran/34318 * gfortran.dg/module_nan.f90: New. From-SVN: r130600
Diffstat (limited to 'gcc/fortran/module.c')
-rw-r--r--gcc/fortran/module.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/gcc/fortran/module.c b/gcc/fortran/module.c
index a81067c..af81c3a 100644
--- a/gcc/fortran/module.c
+++ b/gcc/fortran/module.c
@@ -2535,6 +2535,14 @@ mio_gmp_real (mpfr_t *real)
else
{
p = mpfr_get_str (NULL, &exponent, 16, 0, *real, GFC_RND_MODE);
+
+ if (mpfr_nan_p (*real) || mpfr_inf_p (*real))
+ {
+ write_atom (ATOM_STRING, p);
+ gfc_free (p);
+ return;
+ }
+
atom_string = gfc_getmem (strlen (p) + 20);
sprintf (atom_string, "0.%s@%ld", p, exponent);