diff options
Diffstat (limited to 'libquadmath/math/atanhq.c')
| -rw-r--r-- | libquadmath/math/atanhq.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/libquadmath/math/atanhq.c b/libquadmath/math/atanhq.c index b340367..652138d 100644 --- a/libquadmath/math/atanhq.c +++ b/libquadmath/math/atanhq.c @@ -55,7 +55,11 @@ atanhq (__float128 x) else return (x-x)/(x-x); } - if(ix<0x3fc60000 && (huge+x)>zero) return x; /* x < 2^-57 */ + if(ix<0x3fc60000 && (huge+x)>zero) /* x < 2^-57 */ + { + math_check_force_underflow (x); + return x; + } if(ix<0x3ffe0000) { /* x < 0.5 */ t = u.value+u.value; |