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CGFloat.RawSignificand

An unsigned integer type that can represent the significand of any value.

Declaration

typealias RawSignificand = UInt

Discussion

The significand (http://en.wikipedia.org/wiki/Significand) is frequently also called the “mantissa”, but this terminology is slightly incorrect (see the “Use of ‘mantissa’” section on the linked Wikipedia page for more details). “Significand” is the preferred terminology in IEEE 754.