diff options
Diffstat (limited to 'libquadmath/math/powq.c')
| -rw-r--r-- | libquadmath/math/powq.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/libquadmath/math/powq.c b/libquadmath/math/powq.c index 12b87d536d7..dd44b7c175a 100644 --- a/libquadmath/math/powq.c +++ b/libquadmath/math/powq.c @@ -148,7 +148,7 @@ powq (__float128 x, __float128 y) { __float128 z, ax, z_h, z_l, p_h, p_l; __float128 y1, t1, t2, r, s, t, u, v, w; - __float128 s2, s_h, s_l, t_h, t_l; + __float128 s2, s_h, s_l, t_h, t_l, ay; int32_t i, j, k, yisint, n; uint32_t ix, iy; int32_t hx, hy; @@ -281,6 +281,10 @@ powq (__float128 x, __float128 y) return (hy > 0) ? huge * huge : tiny * tiny; } + ay = y > 0 ? y : -y; + if (ay < 0x1p-128) + y = y < 0 ? -0x1p-128 : 0x1p-128; + n = 0; /* take care subnormal number */ if (ix < 0x00010000) |