diff options
Diffstat (limited to 'libquadmath/math/sqrtq.c')
| -rw-r--r-- | libquadmath/math/sqrtq.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/libquadmath/math/sqrtq.c b/libquadmath/math/sqrtq.c index 6ed4605ed5c..f63c0d1f6d2 100644 --- a/libquadmath/math/sqrtq.c +++ b/libquadmath/math/sqrtq.c @@ -8,14 +8,17 @@ sqrtq (const __float128 x) __float128 y; int exp; - if (x == 0) + if (isnanq (x) || (isinfq (x) && x > 0)) return x; - if (isnanq (x)) + if (x == 0) return x; if (x < 0) - return nanq (""); + { + /* Return NaN with invalid signal. */ + return (x - x) / (x - x); + } if (x <= DBL_MAX && x >= DBL_MIN) { |