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authorThomas Schwinge <thomas@codesourcery.com>2013-05-23 18:00:10 +0200
committerThomas Schwinge <thomas@codesourcery.com>2013-08-29 12:22:10 +0200
commit0007fc9bdd1d9efcd52d07837f2cd085b5a8f58b (patch)
treeb3c86dbee5b95c24a8413be634ae11318ceb2f8e /sysdeps/ieee754/ldbl-96
parentf1cc4c8654b6bc431273286d3562942c50975caf (diff)
downloadglibc-0007fc9bdd1d9efcd52d07837f2cd085b5a8f58b.tar.gz
[BZ #15522] strtod ("nan(N)") returning a sNaN in some cases
Diffstat (limited to 'sysdeps/ieee754/ldbl-96')
-rw-r--r--sysdeps/ieee754/ldbl-96/strtold_l.c9
1 files changed, 4 insertions, 5 deletions
diff --git a/sysdeps/ieee754/ldbl-96/strtold_l.c b/sysdeps/ieee754/ldbl-96/strtold_l.c
index ded84f342b..dccf98c461 100644
--- a/sysdeps/ieee754/ldbl-96/strtold_l.c
+++ b/sysdeps/ieee754/ldbl-96/strtold_l.c
@@ -34,11 +34,10 @@
#define SET_MANTISSA(flt, mant) \
do { union ieee854_long_double u; \
u.d = (flt); \
- if ((mant & 0x7fffffffffffffffULL) == 0) \
- mant = 0x4000000000000000ULL; \
- u.ieee.mantissa0 = (((mant) >> 32) & 0x7fffffff) | 0x80000000; \
- u.ieee.mantissa1 = (mant) & 0xffffffff; \
- (flt) = u.d; \
+ u.ieee_nan.mantissa0 = (mant) >> 32; \
+ u.ieee_nan.mantissa1 = (mant); \
+ if ((u.ieee.mantissa0 | u.ieee.mantissa1) != 0) \
+ (flt) = u.d; \
} while (0)
#include <stdlib/strtod_l.c>