sqrt - returns the square root of a float

float sqrt( float f );

This efun is only available if PACKAGE_MATH is compiled in.

sqrt() returns the non-negative square root of its argument, `f'.  The value
of `f' must not be negative.

See also:
 exp,
 log,
 pow

 Tim Hollebeek  Beek@ZorkMUD, Lima Bean, IdeaExchange, and elsewhere
