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* fix excess precision in return value of i386 acos[f] and asin[f]Rich Felker2020-02-061-13/+3
* math: change the formula used for acos.snsz2012-05-051-10/+8
* acos.s fix: use the formula acos(x) = atan2(sqrt(1-x),sqrt(1+x))nsz2012-03-221-3/+1
* use alternate formula for acos asm to avoid loss of precisionRich Felker2012-03-191-3/+11
* asm for inverse trig functionsRich Felker2012-03-191-0/+24