fixed fpow(fixed x, int power)
Returns x raised to the integer power. Only positive powers are supported.
For an integer version, see ipow.
fpow(2.0, 3) -> 8.0 fpow(2.0, 1) -> 2.0 fpos(2.0, 0) -> 1.0 fpow(0.5, 0) -> 1.0 fpow(0.5, 1) -> 0.5 fpow(0.5, 2) -> 0.25 fpow(0.5, 3) -> 0.125