Full Definition of DRAGONFLY. : any of a suborder (Anisoptera) of odonate insects that are larger and stouter than damselflies, hold the wings horizontal in repose, and have rectal gills during the naiad stage; broadly: odonate.See dragonfly defined for English-language learners.See dragonfly defined for kids. any of a suborder (Anisoptera) of odonate insects that are larger and stouter than damselflies, hold the wings horizontal in repose, and have rectal gills during the naiad stage; broadly: odonate. See dragonfly defined for English-language learners. See dragonfly defined for kids.
The value of this constant is positive 1.7976931348623157E+308. The result of an operation that exceeds Double.MaxValue is Double.PositiveInfinity. In the following example, Double.PositiveInfinity results from addition, multiplication, and exponentiation operations when the result exceeds Double.MaxValue.
In languages like C and FORTRAN (where a double is called double precision), a double is typically understood to have twice the number of bits as a float. This isn't always true, although a double will always have at least as many bits of precision as a float in any sane implementation.