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var significandBitPattern: UInt64 { get }
UInt64
The significandBitPattern property does not include the leading integral bit of the significand, even for types like Float80 that store it explicitly. significandBitPatternプロパティは、仮数の先頭整数ビットを含みません、それを明示的に格納するFloat80のような型に対してさえも。
significandBitPattern
Float80
BinaryFloatingPoint
var bitPattern: UInt64
var significandWidth: Int
var exponentBitPattern: UInt
static var significandBitCount: Int
static var exponentBitCount: Int
static var radix: Int
init(bitPattern: UInt64)
init(sign: FloatingPointSign, exponentBitPattern: UInt, significandBitPattern: UInt64)
init(nan: Double.RawSignificand, signaling: Bool)
typealias Double.Exponent
typealias Double.RawSignificand
typealias Double.RawExponent