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authorkargl <kargl@138bc75d-0d04-0410-961f-82ee72b054a4>2006-10-03 21:28:05 +0000
committerkargl <kargl@138bc75d-0d04-0410-961f-82ee72b054a4>2006-10-03 21:28:05 +0000
commitabef3b71862f96da10c32e1ec8301862e10984f7 (patch)
tree371027c47534490ceeeb9eb70651d1b866886eeb /gcc
parentd45fced70592901ab2f7b160705af400c42759b0 (diff)
downloadppe42-gcc-abef3b71862f96da10c32e1ec8301862e10984f7.tar.gz
ppe42-gcc-abef3b71862f96da10c32e1ec8301862e10984f7.zip
2006-10-03 Steven G. Kargl <kargl@gcc.gnu.org>
* arith.c (gfc_check_real_range): Use correct exponent range for subnormal numbers. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@117414 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc')
-rw-r--r--gcc/fortran/ChangeLog5
-rw-r--r--gcc/fortran/arith.c6
2 files changed, 9 insertions, 2 deletions
diff --git a/gcc/fortran/ChangeLog b/gcc/fortran/ChangeLog
index 6e5584a01a4..f0455116236 100644
--- a/gcc/fortran/ChangeLog
+++ b/gcc/fortran/ChangeLog
@@ -1,3 +1,8 @@
+2006-10-03 Steven G. Kargl <kargl@gcc.gnu.org>
+
+ * arith.c (gfc_check_real_range): Use correct exponent range for
+ subnormal numbers.
+
2006-10-03 Paul Thomas <pault@gcc.gnu.org>
PR fortran/29284
diff --git a/gcc/fortran/arith.c b/gcc/fortran/arith.c
index b473fdb15ee..3541adc49a6 100644
--- a/gcc/fortran/arith.c
+++ b/gcc/fortran/arith.c
@@ -438,14 +438,16 @@ gfc_check_real_range (mpfr_t p, int kind)
gfc_free (bin);
#else
mp_exp_t emin, emax;
+ int en;
/* Save current values of emin and emax. */
emin = mpfr_get_emin ();
emax = mpfr_get_emax ();
/* Set emin and emax for the current model number. */
- mpfr_set_emin ((mp_exp_t) gfc_real_kinds[i].min_exponent - 1);
- mpfr_set_emax ((mp_exp_t) gfc_real_kinds[i].max_exponent - 1);
+ en = gfc_real_kinds[i].min_exponent - gfc_real_kinds[i].digits + 1;
+ mpfr_set_emin ((mp_exp_t) en);
+ mpfr_set_emax ((mp_exp_t) gfc_real_kinds[i].max_exponent);
mpfr_subnormalize (q, 0, GFC_RND_MODE);
/* Reset emin and emax. */
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