acos.s fix: use the formula acos(x) = atan2(sqrt(1-x),sqrt(1+x))
[musl] / src / math / truncf.c
2012-03-17 Rich FelkerMerge remote branch 'nsz/master'
2012-03-13 nszmath cleanup: use 1.0f instead of 1.0F
2012-03-13 Rich Felkerfirst commit of the new libm!