diff options
Diffstat (limited to 'libc/sysdeps/ieee754/ldbl-128ibm/e_atan2l.c')
| -rw-r--r-- | libc/sysdeps/ieee754/ldbl-128ibm/e_atan2l.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/libc/sysdeps/ieee754/ldbl-128ibm/e_atan2l.c b/libc/sysdeps/ieee754/ldbl-128ibm/e_atan2l.c index fe5c8bd8d..3e0535561 100644 --- a/libc/sysdeps/ieee754/ldbl-128ibm/e_atan2l.c +++ b/libc/sysdeps/ieee754/ldbl-128ibm/e_atan2l.c @@ -65,7 +65,8 @@ __ieee754_atan2l(long double y, long double x) if(((ix)>0x7ff0000000000000LL)|| ((iy)>0x7ff0000000000000LL)) /* x or y is NaN */ return x+y; - if(((hx-0x3ff0000000000000LL))==0) return __atanl(y); /* x=1.0L */ + if(((hx-0x3ff0000000000000LL))==0 + && (lx&0x7fffffffffffffff)==0) return __atanl(y); /* x=1.0L */ m = ((hy>>63)&1)|((hx>>62)&2); /* 2*sign(x)+sign(y) */ /* when y = 0 */ |