acos.s fix: use the formula acos(x) = atan2(sqrt(1-x),sqrt(1+x))
[musl] / src / ldso / x86_64 / start.s
2011-06-19 Rich Felkerx86_64: ensure that dtor pointer passed to app is 0...
2011-06-18 Rich Felkerexperimental dynamic linker!