acos.s fix: use the formula acos(x) = atan2(sqrt(1-x),sqrt(1+x))
[musl] / src / errno /
2011-08-07 Rich Felkersimplify multi-threaded errno, eliminate useless functi...
2011-02-22 Rich Felkerchange errno to static linkage (improves PIC code gener...
2011-02-12 Rich Felkerinitial check-in, version 0.5.0