Reference

exp2f(3) on FreeBSD

The text 9a631fb7a975, as FreeBSD 2.2.8-RELEASE, FreeBSD 2.2.7-RELEASE, FreeBSD 2.2.6-RELEASE, FreeBSD 2.2.5-RELEASE, FreeBSD 2.2.2-RELEASE shipped it.

exponential, logarithm, power functions

exp2f(3) on FreeBSD now