Reduce compiler anxiety.
Warning from compiler:
target arm C: libm <= bionic/libm/src/e_atan2.c
bionic/libm/src/e_atan2.c: In function 'atan2':
bionic/libm/src/e_atan2.c:71: warning: suggest parentheses around arithmetic in operand of '|'
target arm C: libm <= bionic/libm/src/e_atan2f.c
diff --git a/libm/src/e_atan2.c b/libm/src/e_atan2.c
index 073f81b..56c05a5 100644
--- a/libm/src/e_atan2.c
+++ b/libm/src/e_atan2.c
@@ -68,7 +68,7 @@
if(((ix|((lx|-lx)>>31))>0x7ff00000)||
((iy|((ly|-ly)>>31))>0x7ff00000)) /* x or y is NaN */
return x+y;
- if((hx-0x3ff00000|lx)==0) return atan(y); /* x=1.0 */
+ if(((hx-0x3ff00000) | lx)==0) return atan(y); /* x=1.0 */
m = ((hy>>31)&1)|((hx>>30)&2); /* 2*sign(x)+sign(y) */
/* when y = 0 */