acos.s fix: use the formula acos(x) = atan2(sqrt(1-x),sqrt(1+x))
[musl] / src / stub /
2011-03-19 Rich Felkervarious legacy and linux-specific stuff
2011-02-20 Rich Felkermake real symbols for the legacy (nonstandardized)...
2011-02-12 Rich Felkerinitial check-in, version 0.5.0